Effective date: March 11, 2025
The short version: Sudoku does not collect, transmit, or store any data about you on any server. Everything stays on your device. We don't know who you are, and we prefer it that way.
Sudoku is a mobile puzzle game developed and published by M1903 Labs LLP. It is available for Android and iOS. The game procedurally generates Sudoku puzzles on your device across four difficulty levels: Easy, Medium, Hard, and Nightmare.
We do not collect any information from you — period. This includes, but is not limited to:
There is no user account, no sign-up, and no login. You are completely anonymous to us.
The app stores the following data exclusively on your device, using the app's local storage. This data never leaves your device and is never transmitted anywhere.
This data is managed entirely by the operating system's standard app storage and is deleted when you uninstall the app.
Sudoku has no backend server and requires no internet connection to function. All puzzles are generated on your device at runtime. The app does not make any network requests.
Sudoku does not integrate any third-party analytics, advertising, crash-reporting, or tracking SDKs. There are no third parties with whom your data could be shared, because no data is collected in the first place.
Sudoku does not collect personal information from anyone, including children under the age of 13 (or the applicable age in your jurisdiction). The app is safe for users of all ages.
If we ever update this privacy policy, we will revise the effective date at the top of this page. Because we do not have your contact information, we cannot notify you directly — please check this page periodically if you are concerned about changes.
If you have any questions about this privacy policy, you can reach us at: