Privacy Policy

Last Updated: May 16, 2025

This Privacy Policy describes how Big Chess ("we," "us," or "our"), owned and operated by BIG CHESS BG LTD OOD, collects, uses, and discloses your information when you use our mobile application ("App") and related services ("Services").

1. Information We Collect

1.1 Information You Provide to Us

We may collect personal information that you provide directly to us when you:

• Create or modify your account using Firebase Authentication (e.g., via Google or Apple login)
• Subscribe to premium content and manage payments
• Use gameplay features like puzzles, match history, and offline mode
• Contact us for support or feedback

This information may include your name, email address, authentication credentials, and other information you choose to provide.

1.2 Information We Collect Automatically

When you use the App, we may automatically collect the following data:

• Device Information: Including device model, OS version, language, and unique identifiers
• Usage Information: Such as gameplay activity, interaction patterns, and feature use
• Log Data: IP address, session time, browser/device metadata
• Diagnostics: Crash reports and error logs to improve the stability of the App

We may also collect anonymized analytics data using third-party services. No personal data is shared with these providers.

2. How We Use Your Information

We use the information we collect to:

• Authenticate and manage user accounts
• Provide access to subscriptions and features
• Store your progress, puzzles, and match history on our servers
• Enable multiplayer and offline game modes
• Improve our Services and personalize the user experience
• Respond to inquiries and provide customer support
• Analyze usage and improve performance

3. Sharing of Information

We do not sell or rent your personal data. We may share information only in the following situations:

• With third-party service providers who help us operate and maintain our App (e.g., Firebase, RevenueCat)
• To comply with legal obligations or protect our rights and property
• In case of business transfer or acquisition
• With your explicit consent

4. Data Security

We take appropriate security measures to protect your data, including encryption, secure communication protocols, and data minimization. However, no system can guarantee complete protection.

5. Your Rights and Choices

You have control over your personal data. Inside the App, you may:

• View and update your profile information
• Manage your subscription preferences
• Completely and permanently delete your account and all personal data by pressing the "Delete account" button in the App

5.1 Opt-Out

We do not send promotional emails. If we ever do, you'll be able to opt out. Operational emails (like account confirmation) will still be sent.

6. Children's Privacy

We do not knowingly collect personal information from children under the age of 13. If we learn that we have inadvertently collected such information, we will delete it immediately.

7. International Data Transfers

Your data may be processed on servers located outside your country of residence, including the EU and the US, in compliance with applicable data protection laws.

8. Data Retention and Deletion

We retain your data as long as your account is active. You may delete your account and all associated data at any time via the in-app "Delete account" option. This action is irreversible and also deletes your Firebase authentication profile.

9. Changes to This Privacy Policy

We may update this Privacy Policy periodically. Any changes will be posted on this page with an updated effective date.

10. Contact Us

If you have any questions or concerns about this Privacy Policy or our data practices, please contact us:

Email: admin@bigchessgame.com

Company: BIG CHESS BG LTD OOD