FlipSum

FlipSum Privacy Policy

Effective date: 23 October 2026

FlipSum: Memory Math (“FlipSum”, “the app”) is developed by Wei Zhang. This policy explains what happens to your information when you use the app. In short: FlipSum does not collect, store or share any personal data.

Information we collect

We do not collect any personal information. FlipSum has no accounts or sign-up, no advertising, no analytics and no tracking. The app does not access your contacts, photos, location, camera or microphone.

Data stored on your device

Your game progress, star records, peeks and settings (music, volume and haptics) are saved only on your device. They are never sent to us. Deleting the app deletes this data.

Game Center

If you are signed in to Game Center, your total score and highest level are sent to Apple’s Game Center leaderboards, where other players can see them with your Game Center nickname. This is handled by Apple under Apple’s Privacy Policy. You can sign out of Game Center at any time in the Settings app.

In-app purchase

The optional one-time purchase is processed entirely by Apple. We never receive your name, payment details or Apple Account. The app only asks Apple whether the purchase has been made, so that it can unlock the full game.

Children

FlipSum is suitable for all ages. Because we do not collect any personal data, we do not collect data from children.

Changes to this policy

If this policy changes, the new version will be posted on this page with a new effective date.

Contact

Questions about this policy? Email Edge.Apps@hotmail.com.