
OnceChat
One message a day, in turn
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Free
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About
OnceChat is a quiet messaging app built around a simple idea: just one
message a day.
Away from endless notifications, constant replies, and the pressure of read
receipts — you choose one message each day, carefully, and send it. That's
OnceChat.
■ One message a day
Just one message per day, taking turns. So every single letter matters.
■ Quietly gone in 24 hours
Your words fade after 24 hours. Because nothing is kept, some things become
easier to say.
■ No notifications
No push notifications, ever. Open the app when you want to, at your own pace.
A quiet place that never rushes you.
■ Today's letter
Share one short public letter a day with all your friends. Send yours, and
you can read theirs too — a new, reciprocal way to stay connected.
■ Thoughtfully secure
No passwords — sign in with a passkey (biometrics). Messages are encrypted.
No ads, and no third-party tracking.
A calm space, like the quiet before dawn. Send your one letter today, with
OnceChat.
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What's New in OnceChat
1.2.0
August 2, 2026
Introducing Circles. - Exchange "today's letter" within a small named group — a seminar, a circle of friends. - Separate from your letter to all friends: one letter a day for each circle. - Everything still fades quietly after 24 hours. New users now see a screen for inviting friends. Plus other small improvements and bug fixes.
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