Privacy Policy for Sudoku App
Last Updated: December 16, 2025
This Privacy Policy describes how Sudoku App ("we", "our", or "us") collects, uses, and protects your information when you use our mobile Sudoku puzzle game application.
Information We Collect
Information You Provide
- Game Progress: Puzzle completion data, scores, and game statistics you choose to save locally
- User Preferences: App settings, theme preferences, and gameplay options
Information Collected Automatically
- Device Information: Device type, operating system version, screen resolution, and unique device identifiers for app functionality
- App Usage Data: Game sessions, puzzles played, difficulty levels chosen, and feature usage patterns
- Performance Data: App performance metrics, crash reports, and error logs to improve stability
- Advertising Data: Ad viewing patterns and interactions (if ads are enabled)
Third-Party Services
We use the following third-party services:
- Unity Ads: For displaying advertisements and managing ad preferences
- Unity Analytics: For app usage analytics and crash reporting
- Google Play Services: For app distribution and update management
How We Use Your Information
- Game Functionality: To save your game progress, preferences, and provide personalized gameplay experience
- App Improvement: To analyze usage patterns, identify bugs, and improve game features and performance
- Advertising: To display relevant advertisements and manage ad personalization preferences
- Customer Support: To provide technical support and respond to user inquiries
- Legal Compliance: To comply with applicable laws and regulations
Information Sharing and Disclosure
We do not sell, trade, or otherwise transfer your personal information to third parties, except in the following circumstances:
- With Your Consent: When you explicitly agree to share information
- Service Providers: With trusted third-party services that help us operate the app (Unity Technologies, Google)
- Analytics and Advertising: Aggregated, anonymized data for analytics and advertising purposes
- Legal Requirements: When required by law or to protect our rights
- Business Transfers: In the event of a merger, acquisition, or sale of assets
Data Security
We implement appropriate technical and organizational measures to protect your personal information against unauthorized access, alteration, disclosure, or destruction. This includes:
- Encrypted local storage on your device for game progress and settings
- Secure data transmission for any online features
- Regular security assessments and updates
- Limited access to data by our development team
- Industry-standard security practices for third-party service integration
Data Retention
We retain your information for as long as necessary to provide our services and comply with legal obligations. Specifically:
- Game Progress: Stored locally on your device until you delete the app or clear app data
- User Preferences: Stored locally on your device indefinitely
- Analytics Data: Retained for up to 2 years for product improvement
- Crash Reports: Retained for 1 year to improve app stability
- Advertising Data: Managed according to advertising platform policies
Your Rights
Depending on your location, you may have the following rights:
- Access: Request a copy of your personal data we collect
- Correction: Request correction of inaccurate data
- Deletion: Request deletion of your personal data
- Portability: Request transfer of your data in a portable format
- Opt-out: Withdraw consent for data processing or advertising personalization
- Device Deletion: Delete app data directly from your device settings
Children's Privacy
Our app is suitable for all ages and does not knowingly collect personal information from children under 13. Game progress and preferences are stored locally on the user's device. We recommend parental supervision for users under 13.
International Data Transfers
Your information may be transferred to and processed in countries other than your own, particularly for analytics and advertising services. We ensure appropriate safeguards are in place to protect your data during such transfers, including data processing agreements with our service providers.
Local Storage and Advertising
Our app uses local device storage to save your game progress and preferences. For advertising features (when enabled), we may collect limited data about ad interactions to improve ad relevance. You can opt out of personalized advertising through your device settings or app preferences.
In-App Purchases
If you make in-app purchases (such as removing ads), payment information is processed securely by the app store platform (Google Play or Apple App Store). We do not collect or store payment information.
Changes to This Privacy Policy
We may update this Privacy Policy from time to time to reflect changes in our practices or legal requirements. We will notify you of any material changes by updating the app or posting the new Privacy Policy on our website with an updated "Last Updated" date.
Contact Us
Data Safety Declaration (Google Play)
For transparency with Google Play users, here is our data safety declaration:
Data Collected
- Personal Info: None collected
- Financial Info: Payment information processed by Google Play (for in-app purchases)
- Health & Fitness: None collected
- Messages: None collected
- Photos/Media/Files: None collected
- Audio Files: None collected
- Video Files: None collected
- Other Files: None collected
- App Activity: Game sessions, puzzle completion, difficulty preferences, crash reports
- Device or Other IDs: Device identifiers for app functionality and analytics
Data Usage
Collected data is used solely to provide game functionality, save progress, improve user experience, ensure app stability, and comply with legal requirements.
Data Sharing
Data is only shared with essential service providers (Unity Technologies, Google Play Services) and only as necessary for app functionality, analytics, and advertising (when enabled).
Data Security
We implement industry-standard security measures including encrypted local storage, secure data transmission, and regular security assessments to protect your data.