
Couples Diary: One Line
One line a day, between two
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About
You do not have to talk a lot every day. One line a day is something you can keep up. Couples Diary is a quiet shared diary for a partner or a spouse.
[One line a day, exchanged]
- You each write your line for the day
- Only on a day when both of you have written does the other person's line open (writing first never puts pressure on the other)
- Lines you have written can be read back quietly, later
[Remember the days that matter]
- Register the day you met, an anniversary, anything
- A quiet word the day before
- There is no limit on how many anniversaries you keep
[Designed never to nudge or compare]
- No reminder notifications sent to the other person
- No read receipts, and no "typing" indicator
[Made to be safe to use]
- No ads
- Your line and your anniversaries travel through a server that connects the two of you, and reach only each other (no photos, no location)
- No names and no accounts. All that connects you is a shared phrase
- No in-app purchases (nothing further is ever charged)
Not many words. Just one a day, between the two of you.
Developed by SAKURA PRODUCTS
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What's New in Couples Diary
1.1.0
September 25, 2026
Saving today's line or an anniversary now plays a short sound and vibration. You can turn sound off anytime in Settings, and nothing will play once it's off. It stays silent when your phone is on silent mode. The same sound and vibration were added to the 100-day celebration.
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