Privacy Policy for ChessMaster Last updated: 2/16/2025 1. Introduction ChessMaster (“the App”) is developed by Brinkovskii Miron Petrovich and is offered without a formal company structure. This Privacy Policy explains how we collect, use, store, and share your information when you use our mobile application, available on Android and iOS. The App is offered by an individual based in Hungary, and all data processing is performed in accordance with local regulations. 2. Information We Collect We may collect the following types of information: Personal Data: Your email address and authentication information (via OAuth) used for signing into the app. Login Data: Data necessary for accessing the App. Subscription Data: Information related to in-app subscriptions, managed through RevenueCat. 3. How We Use Your Information We use your information to: Authenticate and manage your access to the App. Process and manage in-app subscriptions via RevenueCat. Provide and improve the overall user experience of the App. Communicate important updates, including policy changes, via email. 4. Third-Party Services We integrate with the following third-party services for functionality and data management: Supabase: Used for backend data storage and user management. RevenueCat: Used to manage and process in-app subscriptions. By using these services, some of your information (as described above) may be processed by these third parties in accordance with their own privacy policies. 5. Data Storage and Security Storage: Your data is stored indefinitely as long as your account remains active. Security: We take appropriate technical and organizational measures, including encryption and HTTPS for data transmission, to protect your data from unauthorized access or disclosure. 6. Your Rights You have the right to access, correct, or delete your personal data. If you wish to exercise any of these rights or have questions regarding your data, please contact our support team at: Email: info@chessmasterlinks.casa Address: Balzac utca 32, Hungary Phone: +36703645211 7. Local Data Storage and Cookies The App uses MMKV (a high-performance key-value storage solution) for local data caching. No traditional browser cookies are used. Any locally stored data is subject to the same security measures outlined above. 8. Changes to This Privacy Policy We will notify you of any changes to this Privacy Policy by sending you an email at the address provided or by posting the updated policy within the App. Your continued use of the App after such changes constitutes your acceptance of the new Privacy Policy. 9. Contact Us If you have any questions or concerns about this Privacy Policy, please contact us at: Email: info@chessmasterlinks.casa