Help & support

No account is needed. Puzzles are generated on your device and normal play works offline. Optional rewarded ads and advertising privacy updates need an internet connection.

Progress, settings, best times and daily challenge history are stored on this device. Sudoku+ does not provide account-based cloud sync. Deleting the app can remove these records; contacting support cannot restore data the developer never received.

Each game starts with three free hints. After those are used, you can choose to watch an ad for one extra hint, up to twice per game. A reward is added only after the ad service reports it was earned. An unavailable or cancelled ad does not prevent normal play.

Network conditions, ad availability or an incomplete privacy update can prevent an ad from loading. You can keep playing. Where available, Settings offers Privacy choices or Retry privacy update. Do not reinstall the app to fix an ad: you may lose local progress.

Turn on Notes to enter multiple small candidate digits in a cell. The information button on the game screen opens that variant's rules. The timer pauses while you read rules or open settings, and starts with your first gameplay interaction.

Completing the daily challenge counts, including completions with hints. The calendar shows completed and started dates. Daily challenges use the device's local calendar date; changing that date can affect which challenge appears.

Email the variant, difficulty, what happened and the steps to reproduce it. A board screenshot and app/iOS version are helpful but optional. Keep the game installed while we investigate, and avoid including private notifications or other personal information in screenshots.

Use the support email below and describe your request. The developer can address support correspondence but does not receive local puzzle records. Google's policy covers data handled by its advertising and consent services.