diff --git a/apps/ios/Shared/Views/UserSettings/UserAddressView.swift b/apps/ios/Shared/Views/UserSettings/UserAddressView.swift
index b9048becda..02d6f1402e 100644
--- a/apps/ios/Shared/Views/UserSettings/UserAddressView.swift
+++ b/apps/ios/Shared/Views/UserSettings/UserAddressView.swift
@@ -802,6 +802,8 @@ private func saveAddressSettings(_ settings: AddressSettingsState, _ savedSettin
     }
 }
 
+private let simplexNameSaleStart = Calendar(identifier: .gregorian).date(from: DateComponents(timeZone: TimeZone(identifier: "UTC"), year: 2026, month: 12, day: 12, hour: 18))!
+
 struct SetSimplexDomainView: View {
     let title: LocalizedStringKey
     let footer: LocalizedStringKey
@@ -815,6 +817,8 @@ struct SetSimplexDomainView: View {
     @State private var original = ""
     @State private var didSave = false
     @State private var editing = false
+    @State private var timeToSaleStart = simplexNameSaleStart.timeIntervalSinceNow
+    @State private var saleTimer: Timer? = nil
     @FocusState private var nameFocused: Bool
 
     init(title: LocalizedStringKey, footer: LocalizedStringKey, prompt: String, simplexName: String, broadcastWarning: String? = nil, save: @escaping (String?) async -> Bool) {
@@ -873,7 +877,7 @@ struct SetSimplexDomainView: View {
             Section {
                 if editing {
                     Button {
-                        openBrowserAlert(uri: "https://github.com/simplex-chat/simplex-chat/blob/master/docs/guide/register-simplex-name.md")
+                        openBrowserAlert(uri: "https://simplex.domains/#testing")
                     } label: {
                         HStack {
                             Text("How to register a test name")
@@ -901,15 +905,39 @@ struct SetSimplexDomainView: View {
                     }
                 }
             }
+            Section {
+                VStack(alignment: .leading, spacing: 4) {
+                    Text(verbatim: saleCountdown(timeToSaleStart))
+                    Text(timeToSaleStart > 0 ? "until you can register a SimpleX domain" : "Update the app to register a SimpleX domain")
+                        .font(.caption)
+                        .foregroundColor(theme.colors.secondary)
+                }
+            } header: {
+                Text("SimpleX name sale starts in")
+                    .foregroundColor(theme.colors.secondary)
+            } footer: {
+                Text("Crowdfunding investors can reserve their name before sale starts: [simplex.domains](https://simplex.domains/)")
+                    .foregroundColor(theme.colors.secondary)
+                    .padding(.bottom)
+            }
         }
+        .modifier(ThemedBackground(grouped: true))
         .navigationTitle(title)
         .navigationBarTitleDisplayMode(.large)
         .onAppear {
             if editing {
                 DispatchQueue.main.asyncAfter(deadline: .now() + 0.6) { nameFocused = true }
             }
+            if timeToSaleStart > 0 {
+                saleTimer = Timer.scheduledTimer(withTimeInterval: 1.0, repeats: true) { t in
+                    timeToSaleStart = simplexNameSaleStart.timeIntervalSinceNow
+                    if timeToSaleStart <= 0 { t.invalidate() }
+                }
+            }
         }
         .onDisappear {
+            saleTimer?.invalidate()
+            saleTimer = nil
             if !didSave, !saving, changed, isValid {
                 let domain = normalized(simplexName)
                 let saveName = save
@@ -948,6 +976,21 @@ struct SetSimplexDomainView: View {
                 : addSimplexTLD((t.hasPrefix("@") || t.hasPrefix("#") ? String(t.dropFirst()) : t).lowercased())
     }
 
+    private func saleCountdown(_ remaining: TimeInterval) -> String {
+        let total = max(0, Int(remaining))
+        let days = total / 86400
+        let dayStr = String.localizedStringWithFormat(
+            days == 1
+                ? NSLocalizedString("%d day", comment: "time interval")
+                : NSLocalizedString("%d days", comment: "time interval"),
+            days
+        )
+        return dayStr + " " + String.localizedStringWithFormat(
+            NSLocalizedString("%02d hrs %02d min %02d sec", comment: "countdown"),
+            total / 3600 % 24, total / 60 % 60, total % 60
+        )
+    }
+
     private func addSimplexTLD(_ d: String) -> String {
         if d.contains(".") { d } else { "\(d).simplex" }
     }
diff --git a/apps/multiplatform/common/build.gradle.kts b/apps/multiplatform/common/build.gradle.kts
index 43bc114f21..5b91b0574d 100644
--- a/apps/multiplatform/common/build.gradle.kts
+++ b/apps/multiplatform/common/build.gradle.kts
@@ -212,7 +212,7 @@ afterEvaluate {
       val fontLtGtRegex = Regex("[^>]*>.*&lt;font[^>]*&gt;.*&lt;/font&gt;.*</string>")
       val unbracketedColorRegex = Regex("color=#[abcdefABCDEF0-9]{3,6}")
       val correctHtmlRegex = Regex("[^>]*>.*<b>.*</b>.*</string>|[^>]*>.*<i>.*</i>.*</string>|[^>]*>.*<u>.*</u>.*</string>|[^>]*>.*<font[^>]*>.*</font>.*</string>")
-      val possibleFormat = listOf("s", "d", "1\$s", "2\$s", "3\$s", "4\$s", "1\$d", "2\$d", "3\$d", "4\$d", "2s", "f")
+      val possibleFormat = listOf("s", "d", "1\$s", "2\$s", "3\$s", "4\$s", "1\$d", "2\$d", "3\$d", "4\$d", "1\$02d", "2\$02d", "3\$02d", "2s", "f")
 
       fun String.id(): String = replace("<string name=\"", "").trim().substringBefore("\"")
 
@@ -239,7 +239,7 @@ afterEvaluate {
           if (was.length == substring.length) break
         }
         return if (formats.any { it.startsWith("1$") || it.startsWith("2$") || it.startsWith("3$") || it.startsWith("4$") }) {
-          formats.sortedBy { it.trim('s', 'd', 'f', '$').toIntOrNull() ?: throw Exception("Formatting don't have positional arguments: $this \nin $filepath") }
+          formats.sortedBy { it.substringBefore('$').toIntOrNull() ?: throw Exception("Formatting don't have positional arguments: $this \nin $filepath") }
         } else {
           formats
         }
diff --git a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/usersettings/SetSimplexNameView.kt b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/usersettings/SetSimplexNameView.kt
index 7ab1ffa33d..f2c7b02b42 100644
--- a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/usersettings/SetSimplexNameView.kt
+++ b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/usersettings/SetSimplexNameView.kt
@@ -14,7 +14,8 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.focus.FocusRequester
 import androidx.compose.ui.platform.LocalClipboardManager
 import androidx.compose.ui.platform.LocalUriHandler
-import androidx.compose.ui.text.AnnotatedString
+import androidx.compose.ui.text.*
+import androidx.compose.ui.unit.*
 import chat.simplex.common.platform.*
 import chat.simplex.common.ui.theme.*
 import chat.simplex.common.views.*
@@ -24,10 +25,14 @@ import chat.simplex.res.MR
 import dev.icerock.moko.resources.compose.painterResource
 import dev.icerock.moko.resources.compose.stringResource
 import kotlinx.coroutines.*
+import kotlinx.datetime.*
 
 // Each dot-separated label is ASCII letters/digits with single internal hyphens (mirrors simplexmq SimplexName.hs nameLabelP).
 private val simplexNameLabelRegex = Regex("[A-Za-z0-9]+(-[A-Za-z0-9]+)*")
 
+private val simplexNameSaleStart = LocalDateTime(2026, 12, 12, 18, 0).toInstant(TimeZone.UTC)
+private const val SIMPLEX_DOMAINS_URL = "https://simplex.domains/"
+
 // Set the user's own (prefix "@") or a channel's (prefix "#") SimpleX name.
 // The field is prefilled with the full prefixed name; `save` receives the encoded name (or null to
 // clear) and returns true on success (it shows its own error alert otherwise).
@@ -128,6 +133,13 @@ fun SetSimplexDomainView(
     }
   }
 
+  fun saleCountdown(msRemaining: Long): String {
+    val total = (msRemaining / 1000).coerceAtLeast(0)
+    val days = total / 86400
+    val dayStr = String.format(generalGetString(if (days == 1L) MR.strings.ttl_day else MR.strings.ttl_days), days)
+    return dayStr + " " + String.format(generalGetString(MR.strings.countdown_hrs_min_sec), total / 3600 % 24, total / 60 % 60, total % 60)
+  }
+
   ModalView(close = { onClose(close) }, cardScreen = true) {
     ColumnWithScrollBar {
       AppBarTitle(title)
@@ -163,7 +175,7 @@ fun SetSimplexDomainView(
           SettingsActionItem(
             painterResource(MR.images.ic_open_in_new),
             stringResource(MR.strings.register_test_name),
-            { openBrowserAlert("https://github.com/simplex-chat/simplex-chat/blob/master/docs/guide/register-simplex-name.md", uriHandler) },
+            { openBrowserAlert("https://simplex.domains/#testing", uriHandler) },
             textColor = MaterialTheme.colors.primary,
             iconColor = MaterialTheme.colors.primary
           )
@@ -179,6 +191,35 @@ fun SetSimplexDomainView(
           }
         }
       }
+      SectionDividerSpaced()
+      val msToSaleStart = remember { mutableStateOf(simplexNameSaleStart.toEpochMilliseconds() - System.currentTimeMillis()) }
+      LaunchedEffect(Unit) {
+        while (msToSaleStart.value > 0) {
+          delay(1000)
+          msToSaleStart.value = simplexNameSaleStart.toEpochMilliseconds() - System.currentTimeMillis()
+        }
+      }
+      SectionView(stringResource(MR.strings.simplex_name_sales)) {
+        SectionItemView {
+          Column(verticalArrangement = Arrangement.spacedBy(4.dp)) {
+            Text(saleCountdown(msToSaleStart.value))
+            Text(
+              stringResource(if (msToSaleStart.value > 0) MR.strings.until_register_simplex_domain else MR.strings.update_app_register_simplex_domain),
+              color = MaterialTheme.colors.secondary,
+              fontSize = 12.sp
+            )
+          }
+        }
+      }
+      SectionTextFooter(buildAnnotatedString {
+        append(generalGetString(MR.strings.simplex_name_sales_footer))
+        append(" ")
+        withLink(LinkAnnotation.Url(SIMPLEX_DOMAINS_URL) { uriHandler.openUriCatching(SIMPLEX_DOMAINS_URL) }) {
+          withStyle(SpanStyle(color = MaterialTheme.colors.primary)) {
+            append("simplex.domains")
+          }
+        }
+      })
       SectionBottomSpacer()
     }
   }
diff --git a/apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml b/apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml
index 6701a74005..c072fd7849 100644
--- a/apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml
+++ b/apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml
@@ -397,6 +397,11 @@
   <string name="get_simplex_name_beta">Get SimpleX name (BETA)</string>
   <string name="channel_simplex_name">Channel SimpleX name</string>
   <string name="register_test_name">How to register a test name</string>
+  <string name="simplex_name_sales">SimpleX name sale starts in</string>
+  <string name="until_register_simplex_domain">until you can register a SimpleX domain</string>
+  <string name="update_app_register_simplex_domain">Update the app to register a SimpleX domain</string>
+  <string name="countdown_hrs_min_sec">%1$02d hrs %2$02d min %3$02d sec</string>
+  <string name="simplex_name_sales_footer">Crowdfunding investors can reserve their name before sale starts:</string>
   <string name="remove_name">Remove name</string>
   <string name="save_verb">Save</string>
   <string name="edit_verb">Edit</string>