diff --git a/apps/ios/Shared/Views/Chat/ChatItem/CIVideoView.swift b/apps/ios/Shared/Views/Chat/ChatItem/CIVideoView.swift
index 339d119362..0a664f8d96 100644
--- a/apps/ios/Shared/Views/Chat/ChatItem/CIVideoView.swift
+++ b/apps/ios/Shared/Views/Chat/ChatItem/CIVideoView.swift
@@ -534,9 +534,9 @@ struct CIVideoView: View {
             if let item = player.currentItem {
                 let dur = CMTimeGetSeconds(item.duration)
                 if !dur.isInfinite && !dur.isNaN {
-                    duration = Int(dur)
+                    duration = wholeSeconds(dur)
                 }
-                progress = Int(CMTimeGetSeconds(player.currentTime()))
+                progress = wholeSeconds(CMTimeGetSeconds(player.currentTime()))
                 // `if` prevents showing Play button while the playback seeks to start and then plays
                 if player.currentTime() != player.currentItem?.duration && player.currentTime() != .zero {
                     videoPlaying = player.timeControlStatus == .playing || player.timeControlStatus == .waitingToPlayAtSpecifiedRate
diff --git a/apps/ios/Shared/Views/Chat/ComposeMessage/ComposeVoiceView.swift b/apps/ios/Shared/Views/Chat/ComposeMessage/ComposeVoiceView.swift
index 441a68fccb..48e72e2c05 100644
--- a/apps/ios/Shared/Views/Chat/ComposeMessage/ComposeVoiceView.swift
+++ b/apps/ios/Shared/Views/Chat/ComposeMessage/ComposeVoiceView.swift
@@ -15,12 +15,16 @@ enum VoiceMessagePlaybackState {
     case paused
 }
 
+func wholeSeconds(_ time: TimeInterval) -> Int {
+    Int(exactly: time.rounded(.towardZero)) ?? 0
+}
+
 func voiceMessageTime(_ time: TimeInterval) -> String {
-    durationText(Int(time))
+    durationText(wholeSeconds(time))
 }
 
 func voiceMessageTime_(_ time: TimeInterval?) -> String {
-    durationText(Int(time ?? 0))
+    durationText(wholeSeconds(time ?? 0))
 }
 
 struct ComposeVoiceView: View {
@@ -157,7 +161,7 @@ struct ComposeVoiceView: View {
         var seek: (TimeInterval) -> Void
 
         var body: some View {
-            Slider(value: Binding(get: { progress ?? TimeInterval(0) }, set: { seek($0) }), in: 0 ... length)
+            Slider(value: Binding(get: { progress ?? TimeInterval(0) }, set: { seek($0) }), in: 0 ... max(length, 0))
                 .frame(maxWidth: .infinity)
                 .frame(height: 4)
                 .tint(theme.colors.primary)
diff --git a/apps/ios/SimpleX Snapshots/SnapshotTests.swift b/apps/ios/SimpleX Snapshots/SnapshotTests.swift
index cd70cc8d78..d039168254 100644
--- a/apps/ios/SimpleX Snapshots/SnapshotTests.swift	
+++ b/apps/ios/SimpleX Snapshots/SnapshotTests.swift	
@@ -160,6 +160,15 @@ final class SnapshotTests: XCTestCase {
         let rowHash = { (older: ChatItem) in ListItem(item: items[4], prevItem: items[5], nextItem: older, unreadBefore: 0).genHash(false, false) }
         XCTAssertNotEqual(rowHash(items[3]), rowHash(unreacted))
     }
+
+    func testVoiceMessageTimeFormatting() {
+        XCTAssertEqual(voiceMessageTime(90), "01:30")
+        XCTAssertEqual(voiceMessageTime(3600), "01:00:00")
+        XCTAssertEqual(voiceMessageTime(TimeInterval(Int.max)), "00:00")
+        XCTAssertEqual(voiceMessageTime(.nan), "00:00")
+        XCTAssertEqual(voiceMessageTime_(nil), "00:00")
+        XCTAssertEqual(voiceMessageTime_(TimeInterval(Int.max)), "00:00")
+    }
 }
 
 private func layoutCheckDir(_ env: [String: String]) -> URL {