Last updated: November 9, 2026
Ninoma: X-Sudoku & Classic is published by Foam Group LLC, 12 Daniel Rd Ste 318-468, Fairfield, NJ 07004, United States. This policy explains what the Ninoma: X-Sudoku & Classic app collects and why. It covers this app only; each of our games has its own policy.
Ninoma: X-Sudoku & Classic does not ask you to create an account and does not collect your name, email address or phone number.
Ninoma: X-Sudoku & Classic has an online leaderboard. When a round ends, the app uploads your score, the country your device reports, and a display name to our Google Firestore database, under a randomly generated anonymous identifier. The display name is chosen from a fixed list inside the app or generated automatically — you cannot type free text, so no personal information can reach the leaderboard. Entries are visible to other players inside the app.
We use Google AdMob to show ads. AdMob may collect your device advertising identifier, approximate location derived from your IP address, and information about how you interact with ads, in order to serve and measure advertising. See Google's policy at policies.google.com/technologies/ads.
We use Google Firebase Analytics and Firebase Crashlytics to understand how the game is used and to diagnose crashes. This includes app events such as starting a game, finishing a game and completing a purchase, along with device model, operating system version and a randomly generated app instance identifier.
In-app purchases are processed by Google Play or the Apple App Store. We never receive or store your payment card details.
Game progress, settings and purchase status are stored locally on your device. Apart from the leaderboard entry described above, they are not uploaded to us.
Where required by law, including in the European Economic Area and the United Kingdom, we ask for your consent before personalized ads are shown. You can change your choice at any time from the privacy option in the app.
Ninoma: X-Sudoku & Classic is not directed to children under 13 and we do not knowingly collect personal information from children under 13.
You can reset or delete your advertising identifier in your device settings. Uninstalling the app removes the data stored on your device. To have your leaderboard entry removed, write to [email protected] — please say which game and which display name.
If this policy changes we will update this page and the date above.
Questions or data deletion requests: [email protected]