
Haku - Write & Let Go
Your words leave no trace.
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Free
In-App Purchases
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About
Write down what you don't want to hold onto. Haku gives you a private space for thoughts you need to release but don't want to keep. Write them as they come, then let them go. The words disappear, leaving nothing to find or reread.
Write it when:
• A thought keeps circling late at night
• You need to answer a message you may never send
• An argument is over, but you still have things to say
• Something is on your mind, and you want to set it down
• You want to find the words before you say them to someone
PRIVATE BY DESIGN
Haku never saves, uploads, or analyzes what you write. No one at Haku can see your words, and no AI reads them. You don’t need an account, and we don’t track you.
Haku keeps your page protected while you write. It hides your words if you switch apps or put your phone face-down, and can ask for Face ID or your passcode before showing your writing again. Third-party keyboards are off unless you choose to turn them on.
A MARK EACH TIME YOU LET GO
Each time you let go, History adds a small mark. Over time, these marks show how often you’ve written and released your thoughts, without saving any words.
HAKU LEAF
Everything described above is free. Haku Leaf is an optional one-time purchase that gives you nine color themes, three extra writing fonts, 53 more History marks, and iCloud sync for your History across devices. Only dates and marks sync, never your writing.
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What's New in Haku
1.1
October 14, 2026
Let go with a new pull gesture and flowing ink. After each release, a small confirmation shows the mark added to History. This update also improves onboarding, the writing layout, and the Haku Leaf screens.
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Subscriptions & In-App Purchases
$9.99
Haku Leaf
Paper themes, fonts, marks, and iCloud sync.






