Chess Offline: AI & Puzzles
Last Updated: July 2025
Welcome to Chess Offline: AI & Puzzles ("we", "our", "us", or "the App"). This Privacy Policy explains how we collect, use, and protect your information when you use our mobile application. We are committed to protecting your privacy and ensuring transparency about our data practices.
By downloading, installing, or using Chess Offline: AI & Puzzles, you agree to the terms described in this Privacy Policy. If you do not agree with this policy, please do not use the App.
Chess Offline: AI & Puzzles is designed to work completely offline. We do not collect, store, or transmit any personal information such as:
The App may collect limited non-personal information automatically for the purpose of improving app performance and user experience. This may include:
This information is collected anonymously and cannot be used to identify you personally.
All game data, including game history, puzzle progress, settings, and preferences, is stored locally on your device only. We do not have access to this data, and it is never uploaded to any server.
Chess Offline: AI & Puzzles works entirely offline. Your game data stays on your device and is never shared with us or any third party.
Any non-personal information we may collect is used solely for the following purposes:
We do not use any collected information for advertising, marketing, profiling, or selling to third parties.
The App may use the following third-party services that may collect information according to their own privacy policies:
The App is distributed through the Google Play Store. Google may collect certain information as described in their privacy policy. For more information, please visit: Google Privacy Policy.
If the App displays advertisements, we may use Google AdMob to serve ads. Google AdMob may collect and use data to provide personalized or non-personalized advertisements. For more information, please visit: Google Ads Privacy Policy.
You can opt out of personalized advertising through your device settings under Settings → Google → Ads → Opt out of Ads Personalization.
We may use Firebase Analytics to collect anonymous usage data to help us understand how users interact with the App. Firebase Analytics does not collect personally identifiable information. For more information, visit: Firebase Privacy Policy.
If you do not use ads or analytics in your app, the third-party service sections above may not apply to you. We include them for full transparency.
Chess Offline: AI & Puzzles uses the Stockfish open-source chess engine, which runs entirely locally on your device. The Stockfish engine does not connect to the internet, does not collect any data, and does not transmit any information to external servers.
Stockfish is licensed under the GNU General Public License v3 (GPLv3). For more information about Stockfish, visit: stockfishchess.org.
All your game data, preferences, and progress are stored locally on your device. We do not operate any servers or databases that store your personal information.
While we take reasonable measures to protect the information within the App, please be aware that no method of electronic storage is 100% secure. We cannot guarantee absolute security of data stored on your device.
If you uninstall the App, all locally stored data will be permanently deleted from your device.
Chess Offline: AI & Puzzles is suitable for users of all ages. We do not knowingly collect personal information from children under the age of 13 (or the applicable age of consent in your country).
Since the App does not collect personal information from any user, there is no risk of children's data being collected or stored. If you are a parent or guardian and believe that your child has somehow provided us with personal information, please contact us immediately and we will take steps to delete such information.
We do not sell, trade, rent, or share your personal information with any third parties. Since we do not collect personal data, there is no data to share.
The only exception is anonymous, aggregated usage data that may be collected through third-party services (such as Google Play Services or Firebase Analytics) as described in Section 4 of this policy.
Chess Offline: AI & Puzzles may request the following device permissions:
We only request permissions that are necessary for the App to function properly. We do not request access to your camera, microphone, contacts, or location.
You have the following rights regarding your data:
We may update this Privacy Policy from time to time to reflect changes in our practices, technology, or legal requirements. Any changes will be posted on this page with an updated "Last Updated" date.
We encourage you to review this Privacy Policy periodically. Your continued use of the App after any changes to this policy constitutes your acceptance of the updated terms.
If you have any questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us at:
We will respond to your inquiry as soon as possible, typically within 7 business days.