Support

Restore No Ads purchase

Purchases are handled by Apple. If the app supports restore, open the app's purchase or No Ads screen and use the restore option.

1. Confirm you are signed in with the same Apple ID used to buy No Ads.
2. Check your internet connection.
3. Restart the app and try restore again.

Problems with ads

Quick Brain uses Google AdMob for interstitial and rewarded ads. Ad availability can vary by region, connection, and provider status.

1. Check that your device is online.
2. Close and reopen the app.
3. If a rewarded ad does not load, try again later.

Problems with Game Center

Leaderboards and rankings are provided by Apple Game Center.

1. Open iOS Settings and confirm Game Center is enabled.
2. Make sure you are signed in to your Apple account.
3. Restart Quick Brain and check the ranking screen again.

Report a bug

Send a short description of the issue, your device model, iOS version, app version, and the steps that led to the problem.

Privacy questions

Quick Brain stores app progress locally, does not require an account, and does not operate its own backend server. Ads, purchases, and rankings are handled through Google and Apple services.