Privacy Policy

Day Genius · Last updated 14 August 2026

Day Genius collects nothing. There is no account, no analytics, no advertising, and no third-party SDK of any kind.

The short version: the app has no developer-operated server. Learning activity is not sent to us or anyone else. If you make or restore a purchase, Day Genius communicates with Apple through StoreKit.

What is stored, and where

Day Genius saves your progress so the app is useful across sessions:

Which steps you have mastered, and your drill and game scores
Your practice streak and the days you practiced
Which subjects you find slow or get wrong, so drills can target them
Preferences such as your chosen home century and reminder time
Whether the Full Method is currently unlocked, so widgets show only content you can access

All of it is written to your device's own storage and to a shared container used by the app's Home Screen widgets. None of it leaves your device, and none of it is visible to us. Deleting the app deletes all of it.

Purchases

Day Genius offers one optional in-app purchase. Payment is handled entirely by Apple. We never see your name, card details, or Apple Account. The app reads Apple's verified entitlement and caches only its yes-or-no unlock status in local device storage so the app and its widgets show the correct content. No payment details are stored by Day Genius.

Notifications

If you turn on the daily practice reminder, the notification is scheduled locally by your device. No reminder data is sent anywhere.

Children

Day Genius is suitable for all ages and collects no personal information from anyone, including children under 13.

Changes

If this policy ever changes, the updated version will be posted on this page with a new date above. Since the app collects nothing, we do not expect it to.

Contact

Questions about this policy: craig@ten987.com