Kasure — Privacy Policy
Last updated: 8 September 2026
Kasure has no account, no analytics and no ads. Your puzzles and your progress never leave your device. The one exception is Kasure Pro: to check whether you bought it, the app talks to Apple and to RevenueCat, and to nobody else.
What Kasure stores
All 866 puzzles ship inside the app itself, so there is nothing to download and nothing to ask a server for. The only thing Kasure stores is your own progress — which puzzles you've solved, your times, and your streak. That lives on your device, in the app's own storage. It is not transmitted, not backed up to us, and not visible to anyone, including us. Deleting the app deletes it.
Kasure Pro
Kasure Pro can be bought as a yearly subscription or as a one-time lifetime purchase. Apple handles the payment; we never see your card, your name or your address. To work out whether Pro is unlocked on your device, the app uses the RevenueCat SDK, which receives a random anonymous app-user ID generated on your phone and your App Store receipt data — no name, no email, nothing about which puzzles you solved. See RevenueCat's privacy policy.
What leaves your device
Only the purchase check described above. That is the complete list. There is no analytics SDK, no crash reporter, no ad SDK and no tracking of any kind, and the app doesn't ask for your camera, microphone, location, contacts, health data, or any other sensor or permission. There is no account and no email capture. Your solved puzzles, your times and your streak are never transmitted anywhere.
Children
Kasure is not directed at children under 13. It has no accounts and asks nothing about you.
Your rights
Deleting the app removes everything Kasure stored on your device, immediately and completely. The only data held anywhere else is the anonymous purchase record at RevenueCat — write to the address below and we'll have it deleted for your anonymous ID. Manage or cancel a subscription at any time in App Store → Apple Account → Subscriptions. We do not sell your data, to anyone, ever.
Changes
If this policy changes, the updated version will be published at this address with a new date at the top.