Last updated: September 3, 2026
ChessVisualizer ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how our mobile application handles user information.
Local Application Data: ChessVisualizer stores your training stats, daily streak counts, puzzle ratings, Pathfinder levels, and energy limits locally on your device using local storage. This information never leaves your device and is not transmitted to our servers.
We use Google AdMob to serve advertisements within the app (such as rewarded video ads to refill energy). Google AdMob may collect and use pseudonymous device identifiers (such as the Android Advertising ID), IP address, and app interaction data to personalize or serve ads according to Google's privacy policies.
For more information on how Google collects and uses your data, please visit Google Privacy & Terms.
We do not require user account registration, login credentials, or personal identity details (such as names or email addresses) to use ChessVisualizer. All game progress is stored strictly on your local device.
ChessVisualizer is a general audience educational chess training application suitable for all ages. We do not knowingly collect personal information from children under the age of 13.
We may update our Privacy Policy from time to time. Any changes will be posted on this page with an updated revision date.
If you have any questions or suggestions regarding this Privacy Policy, please contact us at: support@chessvisualizer.com