Write a letter
to your future self.

The diary you write today arrives one day, quietly, as a notification.
To Me Someday is a diary app that becomes a letter to your future self.

* We are currently preparing for release on the stores.

Good morning Send a letter to your future self
📮 A letter has arrived from your past self Entry from March 14, 2026 Today was my first presentation. I was nervous, but I think it went better than expected. Future me — do you still remember how that felt?
Today's entry The cherry blossoms have started to open. On the way home I took the long way round…
+ New entry

It's this simple.

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Write your entry

Turn how you feel today into a letter to the future. Photos can travel with it.

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Seal it away

Sealed gently, until the day it arrives. Your data stays on your device.

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Wait for the day

One day, long after you've forgotten, a letter arrives from your past self.

What you feel today will one day become a warm letter.

Features

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Delivered at random

Your entries arrive as notifications at moments you can't predict. They move you because you had forgotten.

Daily reminder

A gentle nudge at the time you choose: "How about writing today's entry?" An easy habit to keep.

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Look back on the calendar

Entries you wrote and letters that arrived, together on one calendar — your correspondence with your past self.

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Together with photos

Add the view or the meal from that day to your letter. Entries with photos travel to the future too.

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Backup

Backup to Google Drive / iCloud is supported. Your memories survive a change of device.

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App lock & themes

Keep your entries safe behind a passcode. Light / dark and color themes make it yours.

Now, write a letter
to your future self.