diff --git a/apps/ios/Shared/Model/SimpleXAPI.swift b/apps/ios/Shared/Model/SimpleXAPI.swift
index 68df35d973..d36b3ade8f 100644
--- a/apps/ios/Shared/Model/SimpleXAPI.swift
+++ b/apps/ios/Shared/Model/SimpleXAPI.swift
@@ -301,9 +301,9 @@ func apiGetChatItemInfo(itemId: Int64) async throws -> ChatItemInfo {
     throw r
 }
 
-func apiSendMessage(type: ChatType, id: Int64, file: String?, quotedItemId: Int64?, msg: MsgContent, live: Bool = false) async -> ChatItem? {
+func apiSendMessage(type: ChatType, id: Int64, file: String?, quotedItemId: Int64?, msg: MsgContent, live: Bool = false, ttl: Int? = nil) async -> ChatItem? {
     let chatModel = ChatModel.shared
-    let cmd: ChatCommand = .apiSendMessage(type: type, id: id, file: file, quotedItemId: quotedItemId, msg: msg, live: live)
+    let cmd: ChatCommand = .apiSendMessage(type: type, id: id, file: file, quotedItemId: quotedItemId, msg: msg, live: live, ttl: ttl)
     let r: ChatResponse
     if type == .direct {
         var cItem: ChatItem!
diff --git a/apps/ios/Shared/Views/Chat/ChatItem/CIMetaView.swift b/apps/ios/Shared/Views/Chat/ChatItem/CIMetaView.swift
index f93e73411c..dbcee3fbb4 100644
--- a/apps/ios/Shared/Views/Chat/ChatItem/CIMetaView.swift
+++ b/apps/ios/Shared/Views/Chat/ChatItem/CIMetaView.swift
@@ -32,7 +32,7 @@ func ciMetaText(_ meta: CIMeta, chatTTL: Int?, color: Color = .clear, transparen
         r = r + statusIconText("timer", color).font(.caption2)
         let ttl = meta.itemTimed?.ttl
         if ttl != chatTTL {
-            r = r + Text(TimedMessagesPreference.shortTtlText(ttl)).foregroundColor(color)
+            r = r + Text(shortTimeText(ttl)).foregroundColor(color)
         }
         r = r + Text(" ")
     }
diff --git a/apps/ios/Shared/Views/Chat/ComposeMessage/ComposeView.swift b/apps/ios/Shared/Views/Chat/ComposeMessage/ComposeView.swift
index 6a1f221905..f853103b4d 100644
--- a/apps/ios/Shared/Views/Chat/ComposeMessage/ComposeView.swift
+++ b/apps/ios/Shared/Views/Chat/ComposeMessage/ComposeView.swift
@@ -277,8 +277,8 @@ struct ComposeView: View {
                 ZStack(alignment: .leading) {
                     SendMessageView(
                         composeState: $composeState,
-                        sendMessage: {
-                            sendMessage()
+                        sendMessage: { ttl in
+                            sendMessage(ttl: ttl)
                             resetLinkPreview()
                         },
                         sendLiveMessage: sendLiveMessage,
@@ -296,6 +296,9 @@ struct ComposeView: View {
                         },
                         finishVoiceMessageRecording: finishVoiceMessageRecording,
                         allowVoiceMessagesToContact: allowVoiceMessagesToContact,
+                        // TODO in 5.2 - allow if ttl is not configured
+                        // timedMessageAllowed: chat.chatInfo.featureEnabled(.timedMessages),
+                        timedMessageAllowed: chat.chatInfo.featureEnabled(.timedMessages) && chat.chatInfo.timedMessagesTTL != nil,
                         onMediaAdded: { media in if !media.isEmpty { chosenMedia = media }},
                         keyboardVisible: $keyboardVisible
                     )
@@ -425,7 +428,7 @@ struct ComposeView: View {
                 && (!composeState.message.isEmpty || composeState.liveMessage?.sentMsg != nil) {
                 cancelCurrentVoiceRecording()
                 clearCurrentDraft()
-                sendMessage()
+                sendMessage(ttl: nil)
                 resetLinkPreview()
             } else if (composeState.inProgress) {
                 clearCurrentDraft()
@@ -470,7 +473,7 @@ struct ComposeView: View {
         let lm = composeState.liveMessage
         if (composeState.sendEnabled || composeState.quoting)
             && (lm == nil || lm?.sentMsg == nil),
-           let ci = await sendMessageAsync(typedMsg, live: true) {
+           let ci = await sendMessageAsync(typedMsg, live: true, ttl: nil) {
             await MainActor.run {
                 composeState = composeState.copy(liveMessage: LiveMessage(chatItem: ci, typedMsg: typedMsg, sentMsg: typedMsg))
             }
@@ -486,7 +489,7 @@ struct ComposeView: View {
         let typedMsg = composeState.message
         if let liveMessage = composeState.liveMessage {
             if let sentMsg = liveMessageToSend(liveMessage, typedMsg),
-               let ci = await sendMessageAsync(sentMsg, live: true) {
+               let ci = await sendMessageAsync(sentMsg, live: true, ttl: nil) {
                 await MainActor.run {
                     composeState = composeState.copy(liveMessage: LiveMessage(chatItem: ci, typedMsg: typedMsg, sentMsg: sentMsg))
                 }
@@ -578,15 +581,15 @@ struct ComposeView: View {
         }
     }
 
-    private func sendMessage() {
+    private func sendMessage(ttl: Int?) {
         logger.debug("ChatView sendMessage")
         Task {
             logger.debug("ChatView sendMessage: in Task")
-            _ = await sendMessageAsync(nil, live: false)
+            _ = await sendMessageAsync(nil, live: false, ttl: ttl)
         }
     }
 
-    private func sendMessageAsync(_ text: String?, live: Bool) async -> ChatItem? {
+    private func sendMessageAsync(_ text: String?, live: Bool, ttl: Int?) async -> ChatItem? {
         var sent: ChatItem?
         let msgText = text ?? composeState.message
         let liveMessage = composeState.liveMessage
@@ -606,36 +609,36 @@ struct ComposeView: View {
 
             switch (composeState.preview) {
             case .noPreview:
-                sent = await send(.text(msgText), quoted: quoted, live: live)
+                sent = await send(.text(msgText), quoted: quoted, live: live, ttl: ttl)
             case .linkPreview:
-                sent = await send(checkLinkPreview(), quoted: quoted, live: live)
+                sent = await send(checkLinkPreview(), quoted: quoted, live: live, ttl: ttl)
             case let .mediaPreviews(mediaPreviews: media):
                 let last = media.count - 1
                 if last >= 0 {
                     for i in 0..<last {
                         if case (_, .video(_, _, _)) = media[i] {
-                            sent = await sendVideo(media[i])
+                            sent = await sendVideo(media[i], ttl: ttl)
                         } else {
-                            sent = await sendImage(media[i])
+                            sent = await sendImage(media[i], ttl: ttl)
                         }
                         _ = try? await Task.sleep(nanoseconds: 100_000000)
                     }
                     if case (_, .video(_, _, _)) = media[last] {
-                        sent = await sendVideo(media[last], text: msgText, quoted: quoted, live: live)
+                        sent = await sendVideo(media[last], text: msgText, quoted: quoted, live: live, ttl: ttl)
                     } else {
-                        sent = await sendImage(media[last], text: msgText, quoted: quoted, live: live)
+                        sent = await sendImage(media[last], text: msgText, quoted: quoted, live: live, ttl: ttl)
                     }
                 }
                 if sent == nil {
-                    sent = await send(.text(msgText), quoted: quoted, live: live)
+                    sent = await send(.text(msgText), quoted: quoted, live: live, ttl: ttl)
                 }
             case let .voicePreview(recordingFileName, duration):
                 stopPlayback.toggle()
                 chatModel.filesToDelete.remove(getAppFilePath(recordingFileName))
-                sent = await send(.voice(text: msgText, duration: duration), quoted: quoted, file: recordingFileName)
+                sent = await send(.voice(text: msgText, duration: duration), quoted: quoted, file: recordingFileName, ttl: ttl)
             case let .filePreview(_, file):
                 if let savedFile = saveFileFromURL(file) {
-                    sent = await send(.file(msgText), quoted: quoted, file: savedFile, live: live)
+                    sent = await send(.file(msgText), quoted: quoted, file: savedFile, live: live, ttl: ttl)
                 }
             }
         }
@@ -691,30 +694,31 @@ struct ComposeView: View {
             }
         }
 
-        func sendImage(_ imageData: (String, UploadContent?), text: String = "", quoted: Int64? = nil, live: Bool = false) async -> ChatItem? {
+        func sendImage(_ imageData: (String, UploadContent?), text: String = "", quoted: Int64? = nil, live: Bool = false, ttl: Int?) async -> ChatItem? {
             let (image, data) = imageData
             if let data = data, let savedFile = saveAnyImage(data) {
-                return await send(.image(text: text, image: image), quoted: quoted, file: savedFile, live: live)
+                return await send(.image(text: text, image: image), quoted: quoted, file: savedFile, live: live, ttl: ttl)
             }
             return nil
         }
 
-        func sendVideo(_ imageData: (String, UploadContent?), text: String = "", quoted: Int64? = nil, live: Bool = false) async -> ChatItem? {
+        func sendVideo(_ imageData: (String, UploadContent?), text: String = "", quoted: Int64? = nil, live: Bool = false, ttl: Int?) async -> ChatItem? {
             let (image, data) = imageData
             if case let .video(_, url, duration) = data, let savedFile = saveFileFromURLWithoutLoad(url) {
-                return await send(.video(text: text, image: image, duration: duration), quoted: quoted, file: savedFile, live: live)
+                return await send(.video(text: text, image: image, duration: duration), quoted: quoted, file: savedFile, live: live, ttl: ttl)
             }
             return nil
         }
 
-        func send(_ mc: MsgContent, quoted: Int64?, file: String? = nil, live: Bool = false) async -> ChatItem? {
+        func send(_ mc: MsgContent, quoted: Int64?, file: String? = nil, live: Bool = false, ttl: Int?) async -> ChatItem? {
             if let chatItem = await apiSendMessage(
                 type: chat.chatInfo.chatType,
                 id: chat.chatInfo.apiId,
                 file: file,
                 quotedItemId: quoted,
                 msg: mc,
-                live: live
+                live: live,
+                ttl: ttl
             ) {
                 await MainActor.run {
                     chatModel.removeLiveDummy(animated: false)
diff --git a/apps/ios/Shared/Views/Chat/ComposeMessage/SendMessageView.swift b/apps/ios/Shared/Views/Chat/ComposeMessage/SendMessageView.swift
index 490d770b62..d610dec105 100644
--- a/apps/ios/Shared/Views/Chat/ComposeMessage/SendMessageView.swift
+++ b/apps/ios/Shared/Views/Chat/ComposeMessage/SendMessageView.swift
@@ -13,7 +13,7 @@ private let liveMsgInterval: UInt64 = 3000_000000
 
 struct SendMessageView: View {
     @Binding var composeState: ComposeState
-    var sendMessage: () -> Void
+    var sendMessage: (Int?) -> Void
     var sendLiveMessage: (() async -> Void)? = nil
     var updateLiveMessage: (() async -> Void)? = nil
     var cancelLiveMessage: (() -> Void)? = nil
@@ -23,6 +23,7 @@ struct SendMessageView: View {
     var startVoiceMessageRecording: (() -> Void)? = nil
     var finishVoiceMessageRecording: (() -> Void)? = nil
     var allowVoiceMessagesToContact: (() -> Void)? = nil
+    var timedMessageAllowed: Bool = false
     var onMediaAdded: ([UploadContent]) -> Void
     @State private var holdingVMR = false
     @Namespace var namespace
@@ -32,6 +33,9 @@ struct SendMessageView: View {
     @State private var teUiFont: UIFont = UIFont.preferredFont(forTextStyle: .body)
     @State private var sendButtonSize: CGFloat = 29
     @State private var sendButtonOpacity: CGFloat = 1
+    @State private var showCustomDisappearingMessageDialogue = false
+    @State private var showCustomTimePicker = false
+    @State private var selectedDisappearingMessageTime: Int? = customDisappearingMessageTimeDefault.get()
     var maxHeight: CGFloat = 360
     var minHeight: CGFloat = 37
     @AppStorage(DEFAULT_LIVE_MESSAGE_ALERT_SHOWN) private var liveMessageAlertShown = false
@@ -147,15 +151,17 @@ struct SendMessageView: View {
         .padding([.top, .trailing], 4)
     }
 
-    @ViewBuilder private func sendMessageButton() -> some View {
-        let v = Button(action: sendMessage) {
+    private func sendMessageButton() -> some View {
+        Button {
+            sendMessage(nil)
+        } label: {
             Image(systemName: composeState.editing || composeState.liveMessage != nil
-                                ? "checkmark.circle.fill"
-                                : "arrow.up.circle.fill")
-                .resizable()
-                .foregroundColor(.accentColor)
-                .frame(width: sendButtonSize, height: sendButtonSize)
-                .opacity(sendButtonOpacity)
+                  ? "checkmark.circle.fill"
+                  : "arrow.up.circle.fill")
+            .resizable()
+            .foregroundColor(.accentColor)
+            .frame(width: sendButtonSize, height: sendButtonSize)
+            .opacity(sendButtonOpacity)
         }
         .disabled(
             !composeState.sendEnabled ||
@@ -164,22 +170,61 @@ struct SendMessageView: View {
             composeState.endLiveDisabled
         )
         .frame(width: 29, height: 29)
+        .contextMenu{
+            sendButtonContextMenuItems()
+        }
+        .padding([.bottom, .trailing], 4)
+        .confirmationDialog("Send disappearing message", isPresented: $showCustomDisappearingMessageDialogue, titleVisibility: .visible) {
+            Button("30 seconds") { sendMessage(30) }
+            Button("1 minute") { sendMessage(60) }
+            Button("5 minutes") { sendMessage(300) }
+            Button("Custom time") { showCustomTimePicker = true }
+        }
+        .sheet(isPresented: $showCustomTimePicker, onDismiss: { selectedDisappearingMessageTime = customDisappearingMessageTimeDefault.get() }) {
+            if #available(iOS 16.0, *) {
+                disappearingMessageCustomTimePicker()
+                    .presentationDetents([.fraction(0.6)])
+            } else {
+                disappearingMessageCustomTimePicker()
+            }
+        }
+    }
 
+    private func disappearingMessageCustomTimePicker() -> some View {
+        CustomTimePickerView(
+            selection: $selectedDisappearingMessageTime,
+            confirmButtonText: "Send",
+            confirmButtonAction: {
+                if let time = selectedDisappearingMessageTime {
+                    sendMessage(time)
+                    customDisappearingMessageTimeDefault.set(time)
+                }
+            },
+            description: "Delete after"
+        )
+    }
+
+    @ViewBuilder private func sendButtonContextMenuItems() -> some View {
         if composeState.liveMessage == nil,
-           case .noContextItem = composeState.contextItem,
-           !composeState.voicePreview && !composeState.editing,
-           let send = sendLiveMessage,
-           let update = updateLiveMessage {
-            v.contextMenu{
+           !composeState.editing {
+            if case .noContextItem = composeState.contextItem,
+               !composeState.voicePreview,
+               let send = sendLiveMessage,
+               let update = updateLiveMessage {
                 Button {
                     startLiveMessage(send: send, update: update)
                 } label: {
                     Label("Send live message", systemImage: "bolt.fill")
                 }
             }
-            .padding([.bottom, .trailing], 4)
-        } else {
-            v.padding([.bottom, .trailing], 4)
+            if timedMessageAllowed {
+                Button {
+                    hideKeyboard()
+                    showCustomDisappearingMessageDialogue = true
+                } label: {
+                    Label("Disappearing message", systemImage: "stopwatch")
+                }
+            }
         }
     }
 
@@ -365,7 +410,7 @@ struct SendMessageView_Previews: PreviewProvider {
                 Spacer(minLength: 0)
                 SendMessageView(
                     composeState: $composeStateNew,
-                    sendMessage: {},
+                    sendMessage: { _ in },
                     onMediaAdded: { _ in },
                     keyboardVisible: $keyboardVisible
                 )
@@ -375,7 +420,7 @@ struct SendMessageView_Previews: PreviewProvider {
                 Spacer(minLength: 0)
                 SendMessageView(
                     composeState: $composeStateEditing,
-                    sendMessage: {},
+                    sendMessage: { _ in },
                     onMediaAdded: { _ in },
                     keyboardVisible: $keyboardVisible
                 )
diff --git a/apps/ios/Shared/Views/Chat/ContactPreferencesView.swift b/apps/ios/Shared/Views/Chat/ContactPreferencesView.swift
index bcdbeaa1c4..c669d95853 100644
--- a/apps/ios/Shared/Views/Chat/ContactPreferencesView.swift
+++ b/apps/ios/Shared/Views/Chat/ContactPreferencesView.swift
@@ -89,9 +89,16 @@ struct ContactPreferencesView: View {
                 }
             infoRow("Contact allows", pref.contactPreference.allow.text)
             if featuresAllowed.timedMessagesAllowed {
-                timedMessagesTTLPicker($featuresAllowed.timedMessagesTTL)
+                DropdownCustomTimePicker(
+                    selection: $featuresAllowed.timedMessagesTTL,
+                    label: "Delete after",
+                    dropdownValues: TimedMessagesPreference.ttlValues,
+                    customPickerConfirmButtonText: "Select",
+                    customPickerDescription: "Delete after"
+                )
+                .frame(height: 36)
             } else if pref.contactPreference.allow == .yes || pref.contactPreference.allow == .always {
-                infoRow("Delete after", TimedMessagesPreference.ttlText(pref.contactPreference.ttl))
+                infoRow("Delete after", timeText(pref.contactPreference.ttl))
             }
         }
         header: { featureHeader(.timedMessages, enabled) }
@@ -129,18 +136,6 @@ struct ContactPreferencesView: View {
     }
 }
 
-func timedMessagesTTLPicker(_ selection: Binding<Int?>) -> some View {
-    Picker("Delete after", selection: selection) {
-        let selectedTTL = selection.wrappedValue
-        let ttlValues = TimedMessagesPreference.ttlValues
-        let values = ttlValues + (ttlValues.contains(selectedTTL) ? [] : [selectedTTL])
-        ForEach(values, id: \.self) { ttl in
-            Text(TimedMessagesPreference.ttlText(ttl))
-        }
-    }
-    .frame(height: 36)
-}
-
 struct ContactPreferencesView_Previews: PreviewProvider {
     static var previews: some View {
         ContactPreferencesView(
diff --git a/apps/ios/Shared/Views/Chat/Group/GroupPreferencesView.swift b/apps/ios/Shared/Views/Chat/Group/GroupPreferencesView.swift
index 42f06618ec..652e649ec0 100644
--- a/apps/ios/Shared/Views/Chat/Group/GroupPreferencesView.swift
+++ b/apps/ios/Shared/Views/Chat/Group/GroupPreferencesView.swift
@@ -75,14 +75,21 @@ struct GroupPreferencesView: View {
                     Toggle(feature.text, isOn: enable)
                 }
                 if timedOn {
-                    timedMessagesTTLPicker($preferences.timedMessages.ttl)
+                    DropdownCustomTimePicker(
+                        selection: $preferences.timedMessages.ttl,
+                        label: "Delete after",
+                        dropdownValues: TimedMessagesPreference.ttlValues,
+                        customPickerConfirmButtonText: "Select",
+                        customPickerDescription: "Delete after"
+                    )
+                    .frame(height: 36)
                 }
             } else {
                 settingsRow(icon, color: color) {
                     infoRow(Text(feature.text), enableFeature.wrappedValue.text)
                 }
                 if timedOn {
-                    infoRow("Delete after", TimedMessagesPreference.ttlText(preferences.timedMessages.ttl))
+                    infoRow("Delete after", timeText(preferences.timedMessages.ttl))
                 }
             }
         } footer: {
diff --git a/apps/ios/Shared/Views/Helpers/CustomTimePicker.swift b/apps/ios/Shared/Views/Helpers/CustomTimePicker.swift
new file mode 100644
index 0000000000..e9c13676d6
--- /dev/null
+++ b/apps/ios/Shared/Views/Helpers/CustomTimePicker.swift
@@ -0,0 +1,223 @@
+//
+//  CustomTimePicker.swift
+//  SimpleX (iOS)
+//
+//  Created by spaced4ndy on 11.05.2023.
+//  Copyright © 2023 SimpleX Chat. All rights reserved.
+//
+
+import SwiftUI
+import SimpleXChat
+
+struct CustomTimePicker: View {
+    @Binding var selection: Int?
+    @State var timeUnitsLimits = TimeUnitLimits.defaultUnitsLimits
+    @State private var selectedUnit: CustomTimeUnit = .second
+    @State private var selectedDuration: Int = 1
+
+    struct TimeUnitLimits {
+        var timeUnit: CustomTimeUnit
+        var minValue: Int = 1
+        var maxValue: Int
+
+        public static func defaultUnitLimits(_ unit: CustomTimeUnit) -> TimeUnitLimits {
+            switch unit {
+            case .second: return TimeUnitLimits.init(timeUnit: .second, maxValue: 120)
+            case .minute: return TimeUnitLimits.init(timeUnit: .minute, maxValue: 120)
+            case .hour: return TimeUnitLimits.init(timeUnit: .hour, maxValue: 72)
+            case .day: return TimeUnitLimits.init(timeUnit: .day, maxValue: 30)
+            case .week: return TimeUnitLimits.init(timeUnit: .week, maxValue: 12)
+            case .month: return TimeUnitLimits.init(timeUnit: .month, maxValue: 3)
+            }
+        }
+
+        public static var defaultUnitsLimits: [TimeUnitLimits] {[
+            defaultUnitLimits(.second),
+            defaultUnitLimits(.minute),
+            defaultUnitLimits(.hour),
+            defaultUnitLimits(.day),
+            defaultUnitLimits(.week),
+            defaultUnitLimits(.month),
+        ]}
+    }
+
+    var body: some View {
+        HStack(spacing: 0) {
+            Group {
+                Picker("Duration", selection: $selectedDuration) {
+                    let selectedUnitLimits = timeUnitsLimits.first(where: { $0.timeUnit == selectedUnit }) ?? TimeUnitLimits.defaultUnitLimits(selectedUnit)
+                    let selectedUnitValues = Array(selectedUnitLimits.minValue...selectedUnitLimits.maxValue)
+                    let values = selectedUnitValues + (selectedUnitValues.contains(selectedDuration) ? [] : [selectedDuration])
+                    ForEach(values, id: \.self) { value in
+                        Text("\(value)")
+                    }
+                }
+                Picker("Unit", selection: $selectedUnit) {
+                    ForEach(timeUnitsLimits.map { $0.timeUnit }, id: \.self) { timeUnit in
+                        Text(timeUnit.text)
+                    }
+                }
+            }
+            .pickerStyle(.wheel)
+            .frame(minWidth: 0)
+            .compositingGroup()
+            .clipped()
+        }
+        .onAppear {
+            if let selection = selection,
+               selection > 0 {
+                (selectedUnit, selectedDuration) = CustomTimeUnit.toTimeUnit(seconds: selection)
+            } else {
+                selection = selectedUnit.toSeconds * selectedDuration
+            }
+        }
+        .onChange(of: selectedUnit) { unit in
+            if let maxValue = timeUnitsLimits.first(where: { $0.timeUnit == unit })?.maxValue,
+               selectedDuration > maxValue {
+                selectedDuration = maxValue
+            } else {
+                selection = unit.toSeconds * selectedDuration
+            }
+        }
+        .onChange(of: selectedDuration) { duration in
+            selection = selectedUnit.toSeconds * duration
+        }
+    }
+}
+
+extension UIPickerView {
+    open override var intrinsicContentSize: CGSize {
+        return CGSize(width: UIView.noIntrinsicMetric, height: super.intrinsicContentSize.height)
+    }
+}
+
+struct CustomTimePickerView: View {
+    @Environment(\.dismiss) var dismiss
+    @Binding var selection: Int?
+    var confirmButtonText: LocalizedStringKey
+    var confirmButtonAction: () -> Void
+    var description: LocalizedStringKey? = nil
+    var timeUnitsLimits = CustomTimePicker.TimeUnitLimits.defaultUnitsLimits
+
+    var body: some View {
+        NavigationView {
+            customTimePickerView()
+                .toolbar {
+                    ToolbarItem(placement: .navigationBarLeading) {
+                        Button("Cancel") {
+                            dismiss()
+                        }
+                    }
+                    ToolbarItem(placement: .navigationBarTrailing) {
+                        Button {
+                            confirmButtonAction()
+                            dismiss()
+                        } label: {
+                            Text(confirmButtonText)
+                                .fontWeight(.medium)
+                        }
+                        .disabled(selection == nil)
+                    }
+                }
+        }
+    }
+
+    private func customTimePickerView() -> some View {
+        VStack(alignment: .leading) {
+            List {
+                Group {
+                    Section(description ?? "") {
+                        CustomTimePicker(selection: $selection)
+                    }
+                }
+                .listRowInsets(.init(top: 0, leading: 16, bottom: 0, trailing: 16))
+            }
+            .listStyle(.insetGrouped)
+        }
+    }
+}
+
+struct DropdownCustomTimePicker: View {
+    @Binding var selection: Int?
+    var label: LocalizedStringKey
+    var dropdownValues: [Int?]
+    var customPickerConfirmButtonText: LocalizedStringKey
+    var customPickerDescription: LocalizedStringKey? = nil
+    var customPickerTimeUnitsLimits = CustomTimePicker.TimeUnitLimits.defaultUnitsLimits
+    @State private var dropdownSelection: DropdownSelection = .dropdownValue(value: nil)
+    @State private var showCustomTimePicker = false
+    @State private var selectedCustomTime: Int? = nil
+
+    enum DropdownSelection: Hashable {
+        case dropdownValue(value: Int?)
+        case custom
+    }
+
+    var body: some View {
+        Picker(label, selection: $dropdownSelection) {
+            let values: [DropdownSelection] =
+            dropdownValues.map { .dropdownValue(value: $0) }
+            + (dropdownValues.contains(selection) ? [] : [.dropdownValue(value: selection)])
+            + [.custom]
+            ForEach(values, id: \.self) { v in
+                switch v {
+                case let .dropdownValue(value): Text(timeText(value))
+                case .custom: Text(NSLocalizedString("custom", comment: "dropdown time picker choice"))
+                }
+            }
+        }
+        .onAppear {
+            dropdownSelection = .dropdownValue(value: selection)
+        }
+        .onChange(of: selection) { v in
+            logger.debug("*** .onChange(of: selection)")
+            dropdownSelection = .dropdownValue(value: v)
+        }
+        .onChange(of: dropdownSelection) { v in
+            logger.debug("*** .onChange(of: dropdownSelection)")
+            switch v {
+            case let .dropdownValue(value): selection = value
+            case .custom: showCustomTimePicker = true
+            }
+        }
+        .sheet(
+            isPresented: $showCustomTimePicker,
+            onDismiss: {
+                dropdownSelection = .dropdownValue(value: selection)
+                selectedCustomTime = nil
+            }
+        ) {
+            if #available(iOS 16.0, *) {
+                customTimePicker()
+                    .presentationDetents([.fraction(0.6)])
+            } else {
+                customTimePicker()
+            }
+        }
+    }
+
+    private func customTimePicker() -> some View {
+        CustomTimePickerView(
+            selection: $selectedCustomTime,
+            confirmButtonText: customPickerConfirmButtonText,
+            confirmButtonAction: {
+                if let time = selectedCustomTime {
+                    selection = time
+                }
+            },
+            description: customPickerDescription,
+            timeUnitsLimits: customPickerTimeUnitsLimits
+        )
+        .onAppear {
+            selectedCustomTime = selection
+        }
+    }
+}
+
+struct CustomTimePicker_Previews: PreviewProvider {
+    static var previews: some View {
+        CustomTimePicker(
+            selection: Binding.constant(300)
+        )
+    }
+}
diff --git a/apps/ios/Shared/Views/TerminalView.swift b/apps/ios/Shared/Views/TerminalView.swift
index 52132fb6e4..a7161e08e0 100644
--- a/apps/ios/Shared/Views/TerminalView.swift
+++ b/apps/ios/Shared/Views/TerminalView.swift
@@ -72,7 +72,7 @@ struct TerminalView: View {
 
                 SendMessageView(
                     composeState: $composeState,
-                    sendMessage: sendMessage,
+                    sendMessage: { _ in consoleSendMessage() },
                     showVoiceMessageButton: false,
                     onMediaAdded: { _ in },
                     keyboardVisible: $keyboardVisible
@@ -108,7 +108,7 @@ struct TerminalView: View {
         .onDisappear { terminalItem = nil }
     }
     
-    func sendMessage() {
+    func consoleSendMessage() {
         let cmd = ChatCommand.string(composeState.message)
         if composeState.message.starts(with: "/sql") && (!prefPerformLA || !developerTools) {
             let resp = ChatResponse.chatCmdError(user_: nil, chatError: ChatError.error(errorType: ChatErrorType.commandError(message: "Failed reading: empty")))
diff --git a/apps/ios/Shared/Views/UserSettings/SettingsView.swift b/apps/ios/Shared/Views/UserSettings/SettingsView.swift
index 714de5b2b2..8533060c84 100644
--- a/apps/ios/Shared/Views/UserSettings/SettingsView.swift
+++ b/apps/ios/Shared/Views/UserSettings/SettingsView.swift
@@ -48,6 +48,7 @@ let DEFAULT_SHOW_HIDDEN_PROFILES_NOTICE = "showHiddenProfilesNotice"
 let DEFAULT_SHOW_MUTE_PROFILE_ALERT = "showMuteProfileAlert"
 let DEFAULT_WHATS_NEW_VERSION = "defaultWhatsNewVersion"
 let DEFAULT_ONBOARDING_STAGE = "onboardingStage"
+let DEFAULT_CUSTOM_DISAPPEARING_MESSAGE_TIME = "customDisappearingMessageTime"
 
 let appDefaults: [String: Any] = [
     DEFAULT_SHOW_LA_NOTICE: false,
@@ -76,6 +77,7 @@ let appDefaults: [String: Any] = [
     DEFAULT_SHOW_HIDDEN_PROFILES_NOTICE: true,
     DEFAULT_SHOW_MUTE_PROFILE_ALERT: true,
     DEFAULT_ONBOARDING_STAGE: OnboardingStage.onboardingComplete.rawValue,
+    DEFAULT_CUSTOM_DISAPPEARING_MESSAGE_TIME: 300,
 ]
 
 enum SimpleXLinkMode: String, Identifiable {
@@ -112,6 +114,8 @@ let privacyLocalAuthModeDefault = EnumDefault<LAMode>(defaults: UserDefaults.sta
 
 let onboardingStageDefault = EnumDefault<OnboardingStage>(defaults: UserDefaults.standard, forKey: DEFAULT_ONBOARDING_STAGE, withDefault: .onboardingComplete)
 
+let customDisappearingMessageTimeDefault = IntDefault(defaults: UserDefaults.standard, forKey: DEFAULT_CUSTOM_DISAPPEARING_MESSAGE_TIME)
+
 func setGroupDefaults() {
     privacyAcceptImagesGroupDefault.set(UserDefaults.standard.bool(forKey: DEFAULT_PRIVACY_ACCEPT_IMAGES))
 }
diff --git a/apps/ios/SimpleX.xcodeproj/project.pbxproj b/apps/ios/SimpleX.xcodeproj/project.pbxproj
index de0fde24a1..f970fc394a 100644
--- a/apps/ios/SimpleX.xcodeproj/project.pbxproj
+++ b/apps/ios/SimpleX.xcodeproj/project.pbxproj
@@ -173,6 +173,7 @@
 		64AA1C6927EE10C800AC7277 /* ContextItemView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 64AA1C6827EE10C800AC7277 /* ContextItemView.swift */; };
 		64AA1C6C27F3537400AC7277 /* DeletedItemView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 64AA1C6B27F3537400AC7277 /* DeletedItemView.swift */; };
 		64C06EB52A0A4A7C00792D4D /* ChatItemInfoView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 64C06EB42A0A4A7C00792D4D /* ChatItemInfoView.swift */; };
+		64C3B0212A0D359700E19930 /* CustomTimePicker.swift in Sources */ = {isa = PBXBuildFile; fileRef = 64C3B0202A0D359700E19930 /* CustomTimePicker.swift */; };
 		64D0C2C029F9688300B38D5F /* UserAddressView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 64D0C2BF29F9688300B38D5F /* UserAddressView.swift */; };
 		64D0C2C229FA57AB00B38D5F /* UserAddressLearnMore.swift in Sources */ = {isa = PBXBuildFile; fileRef = 64D0C2C129FA57AB00B38D5F /* UserAddressLearnMore.swift */; };
 		64D0C2C629FAC1EC00B38D5F /* AddContactLearnMore.swift in Sources */ = {isa = PBXBuildFile; fileRef = 64D0C2C529FAC1EC00B38D5F /* AddContactLearnMore.swift */; };
@@ -444,6 +445,7 @@
 		64AA1C6827EE10C800AC7277 /* ContextItemView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ContextItemView.swift; sourceTree = "<group>"; };
 		64AA1C6B27F3537400AC7277 /* DeletedItemView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DeletedItemView.swift; sourceTree = "<group>"; };
 		64C06EB42A0A4A7C00792D4D /* ChatItemInfoView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ChatItemInfoView.swift; sourceTree = "<group>"; };
+		64C3B0202A0D359700E19930 /* CustomTimePicker.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CustomTimePicker.swift; sourceTree = "<group>"; };
 		64D0C2BF29F9688300B38D5F /* UserAddressView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UserAddressView.swift; sourceTree = "<group>"; };
 		64D0C2C129FA57AB00B38D5F /* UserAddressLearnMore.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UserAddressLearnMore.swift; sourceTree = "<group>"; };
 		64D0C2C529FAC1EC00B38D5F /* AddContactLearnMore.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AddContactLearnMore.swift; sourceTree = "<group>"; };
@@ -612,6 +614,7 @@
 				5CCB939B297EFCB100399E78 /* NavStackCompat.swift */,
 				18415DAAAD1ADBEDB0EDA852 /* VideoPlayerView.swift */,
 				64466DCB29FFE3E800E3D48D /* MailView.swift */,
+				64C3B0202A0D359700E19930 /* CustomTimePicker.swift */,
 			);
 			path = Helpers;
 			sourceTree = "<group>";
@@ -1190,6 +1193,7 @@
 				1841538E296606C74533367C /* UserPicker.swift in Sources */,
 				18415B0585EB5A9A0A7CA8CD /* PressedButtonStyle.swift in Sources */,
 				1841560FD1CD447955474C1D /* UserProfilesView.swift in Sources */,
+				64C3B0212A0D359700E19930 /* CustomTimePicker.swift in Sources */,
 				18415C6C56DBCEC2CBBD2F11 /* WebRTCClient.swift in Sources */,
 				184152CEF68D2336FC2EBCB0 /* CallViewRenderers.swift in Sources */,
 				5CB634AD29E46CF70066AD6B /* LocalAuthView.swift in Sources */,
diff --git a/apps/ios/SimpleXChat/APITypes.swift b/apps/ios/SimpleXChat/APITypes.swift
index eb21b347d8..ebee5973a5 100644
--- a/apps/ios/SimpleXChat/APITypes.swift
+++ b/apps/ios/SimpleXChat/APITypes.swift
@@ -37,7 +37,7 @@ public enum ChatCommand {
     case apiGetChats(userId: Int64)
     case apiGetChat(type: ChatType, id: Int64, pagination: ChatPagination, search: String)
     case apiGetChatItemInfo(itemId: Int64)
-    case apiSendMessage(type: ChatType, id: Int64, file: String?, quotedItemId: Int64?, msg: MsgContent, live: Bool)
+    case apiSendMessage(type: ChatType, id: Int64, file: String?, quotedItemId: Int64?, msg: MsgContent, live: Bool, ttl: Int?)
     case apiUpdateChatItem(type: ChatType, id: Int64, itemId: Int64, msg: MsgContent, live: Bool)
     case apiDeleteChatItem(type: ChatType, id: Int64, itemId: Int64, mode: CIDeleteMode)
     case apiDeleteMemberChatItem(groupId: Int64, groupMemberId: Int64, itemId: Int64)
@@ -141,9 +141,10 @@ public enum ChatCommand {
             case let .apiGetChat(type, id, pagination, search): return "/_get chat \(ref(type, id)) \(pagination.cmdString)" +
                 (search == "" ? "" : " search=\(search)")
             case let .apiGetChatItemInfo(itemId): return "/_get item info \(itemId)"
-            case let .apiSendMessage(type, id, file, quotedItemId, mc, live):
+            case let .apiSendMessage(type, id, file, quotedItemId, mc, live, ttl):
                 let msg = encodeJSON(ComposedMessage(filePath: file, quotedItemId: quotedItemId, msgContent: mc))
-                return "/_send \(ref(type, id)) live=\(onOff(live)) json \(msg)"
+                let ttlStr = ttl != nil ? "\(ttl!)" : "default"
+                return "/_send \(ref(type, id)) live=\(onOff(live)) ttl=\(ttlStr) json \(msg)"
             case let .apiUpdateChatItem(type, id, itemId, mc, live): return "/_update item \(ref(type, id)) \(itemId) live=\(onOff(live)) \(mc.cmdString)"
             case let .apiDeleteChatItem(type, id, itemId, mode): return "/_delete item \(ref(type, id)) \(itemId) \(mode.rawValue)"
             case let .apiDeleteMemberChatItem(groupId, groupMemberId, itemId): return "/_delete member item #\(groupId) \(groupMemberId) \(itemId)"
diff --git a/apps/ios/SimpleXChat/ChatTypes.swift b/apps/ios/SimpleXChat/ChatTypes.swift
index 9369fccccc..668b901113 100644
--- a/apps/ios/SimpleXChat/ChatTypes.swift
+++ b/apps/ios/SimpleXChat/ChatTypes.swift
@@ -280,60 +280,107 @@ public struct TimedMessagesPreference: Preference {
     }
 
     public static var ttlValues: [Int?] {
-        [30, 300, 3600, 8 * 3600, 86400, 7 * 86400, 30 * 86400, nil]
+        [3600, 8 * 3600, 86400, 7 * 86400, 30 * 86400, nil]
+    }
+}
+
+public enum CustomTimeUnit {
+    case second
+    case minute
+    case hour
+    case day
+    case week
+    case month
+
+    public var toSeconds: Int {
+        switch self {
+        case .second: return 1
+        case .minute: return 60
+        case .hour: return 3600
+        case .day: return 86400
+        case .week: return 7 * 86400
+        case .month: return 30 * 86400
+        }
     }
 
-    public static func ttlText(_ ttl: Int?) -> String {
-        guard let ttl = ttl else { return "off" }
-        if ttl == 0 { return "0 sec" }
-        let (m_, s) = divMod(ttl, by: 60)
-        let (h_, m) = divMod(m_, by: 60)
-        let (d_, h) = divMod(h_, by: 24)
-        let (mm, d) = divMod(d_, by: 30)
-        return maybe(mm,
-                     mm == 1
-                     ? NSLocalizedString("1 month", comment: "message ttl")
-                     : String.localizedStringWithFormat(NSLocalizedString("%d months", comment: "message ttl"), mm)
-                    )
-            + maybe(d,
-                    d == 1
-                    ? NSLocalizedString("1 day", comment: "message ttl")
-                    : d == 7
-                    ? NSLocalizedString("1 week", comment: "message ttl")
-                    : d == 14
-                    ? NSLocalizedString("2 weeks", comment: "message ttl")
-                    : String.localizedStringWithFormat(NSLocalizedString("%d days", comment: "message ttl"), d)
-                    )
-            + maybe(h,
-                    h == 1
-                    ? NSLocalizedString("1 hour", comment: "message ttl")
-                    : String.localizedStringWithFormat(NSLocalizedString("%d hours", comment: "message ttl"), h)
-                    )
-            + maybe(m, String.localizedStringWithFormat(NSLocalizedString("%d min", comment: "message ttl"), m))
-            + maybe(s, String.localizedStringWithFormat(NSLocalizedString("%d sec", comment: "message ttl"), s))
+    public var text: String {
+        switch self {
+        case .second: return NSLocalizedString("seconds", comment: "time unit")
+        case .minute: return NSLocalizedString("minutes", comment: "time unit")
+        case .hour: return NSLocalizedString("hours", comment: "time unit")
+        case .day: return NSLocalizedString("days", comment: "time unit")
+        case .week: return NSLocalizedString("weeks", comment: "time unit")
+        case .month: return NSLocalizedString("months", comment: "time unit")
+        }
     }
 
-    public static func shortTtlText(_ ttl: Int?) -> LocalizedStringKey {
-        guard let ttl = ttl else { return "off" }
-        let m = ttl / 60
-        if m == 0 { return "\(ttl)s" }
-        let h = m / 60
-        if h == 0 { return "\(m)m" }
-        let d = h / 24
-        if d == 0 { return "\(h)h" }
-        let mm = d / 30
-        if mm > 0 { return "\(mm)mth" }
-        let w = d / 7
-        return w == 0 || d % 7 != 0 ? "\(d)d" : "\(w)w"
+    public static func toTimeUnit(seconds: Int) -> (CustomTimeUnit, Int) {
+        let tryUnits = [month, week, day, hour, minute]
+        var selectedUnit: (CustomTimeUnit, Int)? = nil
+        for unit in tryUnits {
+            let (v, r) = divMod(seconds, by: unit.toSeconds)
+            if r == 0 {
+                selectedUnit = (unit, v)
+                break
+            }
+        }
+        return selectedUnit ?? (CustomTimeUnit.second, seconds)
     }
 
-    static func divMod(_ n: Int, by d: Int) -> (Int, Int) {
+    private static func divMod(_ n: Int, by d: Int) -> (Int, Int) {
         (n / d, n % d)
     }
 
-    static func maybe(_ n: Int, _ s: String) -> String {
-        n == 0 ? "" : s
+    public static func toText(seconds: Int) -> String {
+        let (unit, value) = toTimeUnit(seconds: seconds)
+        switch unit {
+        case .second:
+            return String.localizedStringWithFormat(NSLocalizedString("%d sec", comment: "time interval"), value)
+        case .minute:
+            return String.localizedStringWithFormat(NSLocalizedString("%d min", comment: "time interval"), value)
+        case .hour:
+            return value == 1
+            ? NSLocalizedString("1 hour", comment: "time interval")
+            : String.localizedStringWithFormat(NSLocalizedString("%d hours", comment: "time interval"), value)
+        case .day:
+            return value == 1
+            ? NSLocalizedString("1 day", comment: "time interval")
+            : String.localizedStringWithFormat(NSLocalizedString("%d days", comment: "time interval"), value)
+        case .week:
+            return value == 1
+            ? NSLocalizedString("1 week", comment: "time interval")
+            : String.localizedStringWithFormat(NSLocalizedString("%d weeks", comment: "time interval"), value)
+        case .month:
+            return value == 1
+            ? NSLocalizedString("1 month", comment: "time interval")
+            : String.localizedStringWithFormat(NSLocalizedString("%d months", comment: "time interval"), value)
+        }
     }
+
+    public static func toShortText(seconds: Int) -> LocalizedStringKey {
+        let (unit, value) = toTimeUnit(seconds: seconds)
+        switch unit {
+        case .second: return "\(value)s"
+        case .minute: return "\(value)m"
+        case .hour: return "\(value)h"
+        case .day: return "\(value)d"
+        case .week: return "\(value)w"
+        case .month: return "\(value)mth"
+        }
+    }
+}
+
+
+public func timeText(_ seconds: Int?) -> String {
+    guard let seconds = seconds else { return "off" }
+    if seconds == 0 { return "0 sec" }
+    return CustomTimeUnit.toText(seconds: seconds)
+}
+
+public func shortTimeText(_ seconds: Int?) -> LocalizedStringKey {
+    guard let seconds = seconds else { return "off" }
+    if seconds == 0 { return "0s" }
+    return CustomTimeUnit.toShortText(seconds: seconds)
 }
 
 public struct ContactUserPreferences: Decodable {
@@ -2249,13 +2296,13 @@ public enum CIContent: Decodable, ItemContent {
 
     static func featureText(_ feature: Feature, _ enabled: String, _ param: Int?) -> String {
         feature.hasParam
-        ? "\(feature.text): \(TimedMessagesPreference.ttlText(param))"
+        ? "\(feature.text): \(timeText(param))"
         : "\(feature.text): \(enabled)"
     }
 
     public static func preferenceText(_ feature: Feature, _ allowed: FeatureAllowed, _ param: Int?) -> String {
         allowed != .no && feature.hasParam && param != nil
-        ? String.localizedStringWithFormat(NSLocalizedString("offered %@: %@", comment: "feature offered item"), feature.text, TimedMessagesPreference.ttlText(param))
+        ? String.localizedStringWithFormat(NSLocalizedString("offered %@: %@", comment: "feature offered item"), feature.text, timeText(param))
         : allowed != .no
         ? String.localizedStringWithFormat(NSLocalizedString("offered %@", comment: "feature offered item"), feature.text)
         : String.localizedStringWithFormat(NSLocalizedString("cancelled %@", comment: "feature offered item"), feature.text)