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SayWhen

One phrase — and it's on your calendar. No forms, no fields.
New in version 2.1.0
• More natural phrases: tonight, day after tomorrow, everyday, each tuesday, annually, every weekday, every other week, every morning/evening, quarter past six
• Monthly ordinals: "every second sunday of the month"
• Duration shorthand: 2h, 45m, 2h45m — with or without "for"
• Fixed: tapping the created event opens it in your calendar app
No forms, no fields. Just say when.

Type an event the way you'd say it, in English or Russian:

• Gym every tuesday and friday at 9
• Movie tomorrow at 11 for an hour and a half
• Dentist june 3 at 12:30

SayWhen parses the phrase as you type — date, time, duration, recurrence — shows a live preview of what it understood, and writes the event straight to the calendar you chose. Tap the home-screen widget, type, done.

Private by construction:

• No account of its own, no server, no analytics, no identifiers
• No network access at all — the app doesn't even declare the INTERNET permission
• Two permissions total: read your calendar list, write the event you asked for

Events go to your calendar — nowhere else. If your calendar belongs to a synced account, its own sync engine uploads the event, exactly as with any other calendar app.

Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 2.1.0 (16) suggested Added on Aug 13, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 8.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • Read calendar events and details
      This app can read all calendar events stored on your phone and share or save your calendar data.
    • add or modify calendar events and send email to guests without owners' knowledge
      This app can add, remove, or change calendar events on your phone. This app can send messages that may appear to come from calendar owners, or change events without notifying their owners.
    • com.dmi3dmi3.saywhen.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 1.8 MiB PGP Signature | Build Log