AppMarketSpy › Health & Fitness › KATSU — Habits that end
KATSU — Habits that end
Reminders in your own words
masahiro obana · Health & Fitness
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App info
- Developer
- masahiro obana
- Category
- Health & Fitness
- Released
- Sep 12, 2026
- Version
- 1.0.1 (Sep 25, 2026)
- Price
- Free
- Size
- 52.7 MB
- Requires
- iOS 16.4
- Age rating
- 4+
- Languages
- English and Japanese
In-app purchases
| All in | $19.99 |
| A first step | $4.99 |
| I mean it | $9.99 |
Current prices, App Store US.
🔒 Price history2 snapshots: when prices changed and new plans appearedGet Pro access
About KATSU — Habits that end
KATSU is a habit app built to make itself unnecessary. (Not the cutlet. This one has no recipes in it.) Set the routines you want to keep. When the time comes and you have not done one, your phone tells you so — using words you wrote yourself, on the day you decided to change. Not a template. Not encouragement written by a stranger. Your own sentence, handed back to you at the moment you are ignoring it. WHY IT ENDS Most habit apps need you to keep needing them. Streaks you are afraid to break, notifications that pull you back, a small guilt when you leave. Their success and yours point in opposite directions. This one is built the other way. Do everything on your list 66 days in a row and you graduate: KATSU tells you so, hands you a certificate to keep, and shows you where the cancel button is. Leaving is the point. Why 66? It is roughly the median time research found for a habit to…
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