Sudoku Coach

Is the app free?

Yes. Essential gameplay features are available for free. Some advanced learning or progression features may be offered through a one-time Lifetime Premium purchase, with no subscription.

How do hints work?

A hint points you toward a row, column, or box to inspect. It does not reveal the exact cell or value and never plays the move for you.

What is the Coach section?

The Coach section helps players understand solving strategies and practice focused situations. Available content depends on the installed app version.

How do I restore a Premium purchase?

If Premium is available in your version, open the purchase screen and select “Restore Purchases.” Make sure you are signed in with the same Apple Account used for the original purchase.

Is my progress synced across devices?

No. Games, preferences, and statistics are currently stored locally on your device. iCloud synchronization is not available.

Does the app work offline?

Yes. Gameplay and bundled learning content can be used offline. A connection is only required for Apple services related to purchases or purchase restoration.

How can I report an issue?

Send us an email and include, when possible, your iPhone model, iOS version, Sudoku Coach version, and steps to reproduce the issue. A screenshot can also be helpful if it does not contain personal information.