Privacy Policy

Last Updated: 23rd June 2025

1. INTRODUCTION

This Privacy Policy describes how Chess Engine Analyzer ("we," "our," or "us") collects, uses, and protects your information when you use our mobile application. We are committed to protecting your privacy and ensuring transparency about our data practices.

2. INFORMATION WE COLLECT

We may collect the following types of information for processing:

Data:

• Photos/images of chess boards for position analysis

• Usage data for analytics to improve product quality and plan for future features.

• Camera access for real-time board recognition

• Note: Images are sent to server for processing, but engine analysis is done locally on your device, the images are not stored in server.

Subscription Information:

• Subscription status and purchase history (managed by Apple)
• RevenueCat analytics for subscription management

3. HOW WE USE YOUR INFORMATION

We use the collected information for the following purposes:

• Provide chess analysis and engine calculations
• Process camera images for board recognition
• Manage your subscription and premium features
• Improve app performance and fix bugs

4. DATA STORAGE AND PROCESSING

Chess Position Analysis:

• All chess analysis is performed locally on your device
• No chess positions or moves are sent to external servers
• Camera images are processed in real-time and not stored

Cloud Services:

• We use RevenueCat for subscription management
• No personal chess data is transmitted to external services

5. DATA SHARING AND DISCLOSURE

We do not sell, trade, or otherwise transfer your personal information to third parties, except:

• With your explicit consent
• To comply with legal obligations
• To protect our rights and safety
• With service providers (like RevenueCat) under strict confidentiality agreements

7. YOUR RIGHTS AND CHOICES

You have the following rights regarding your information:

• Access: Request information about data we collect
• Deletion: Request deletion of your data
• Correction: Request correction of inaccurate data
• Camera Access: Can be revoked in device settings

8. CHILDREN'S PRIVACY

Our app is not directed to children under 13. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us.

9. INTERNATIONAL DATA TRANSFERS

Your information may be processed in countries other than your own. We ensure appropriate safeguards are in place to protect your information in accordance with this Privacy Policy.

10. CHANGES TO THIS PRIVACY POLICY

We may update this Privacy Policy from time to time. We will notify you of any material changes by posting the new Privacy Policy in the app and updating the "Last Updated" date below.

11. CONTACT US

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

• App Store support section
• In-app support feature
• Developer contact information on the App Store