🔒 Privacy at a Glance
Sudoku Summit is designed with privacy as a core principle. We collect minimal data, store everything locally on your device, and never track your behavior or serve ads. Your puzzle progress stays entirely on your device.
1. Information We Collect
Game Data (Stored Locally)
All of your game information is stored locally on your device and never transmitted to our servers:
- Game Progress: Your current puzzle state, saved games, and game settings
- Statistics: Your personal game statistics including completion times, win rates, and difficulty progress
- Preferences: App settings such as dark mode, hint preferences, and display options
Crash Reports (Optional)
If the app crashes, we may collect anonymous technical information to help us fix bugs:
- Device Information: Device model, operating system version, app version
- Crash Details: Technical information about what caused the crash
- No Personal Data: These reports contain no personal information, game data, or identifying details
Feedback (When You Contact Us)
If you choose to send us feedback through the app:
- Your Message: The feedback content you choose to share
- Email (Optional): Only if you voluntarily provide it for a response
- Device Context: Basic app version information to help us assist you
2. How We Use Your Information
We use the limited information we collect solely for:
- App Functionality: Saving your game progress and preferences locally
- Bug Fixes: Improving app stability through anonymous crash reports
- Customer Support: Responding to feedback you voluntarily submit
🚫 What We DON'T Do
- No Advertising: We never serve ads or work with advertising partners
- No Tracking: We don't track your behavior, usage patterns, or analytics
- No Data Sales: We never sell, rent, or share your information
- No Social Media: No integration with social networks or data sharing
- No Location Data: We don't access or store your location
- No Contacts: We don't access your contacts, photos, or other personal files
3. Data Storage and Security
Local Storage
Your game data is stored locally on your device using secure, industry-standard storage methods provided by iOS and Android. This data never leaves your device unless you explicitly choose to send feedback.
Data Security
We implement appropriate technical and organizational security measures to protect any information we do collect. However, since most of your data stays on your device, your device's built-in security protections are your primary defense.
Data Retention
- Local Data: Remains on your device until you delete the app or clear its data
- Crash Reports: Automatically deleted after 90 days
- Feedback: Retained for 2 years to help us improve the app, then deleted
4. Third-Party Services
Sudoku Summit uses minimal third-party services:
Sentry (Crash Reporting)
- Purpose: Anonymous crash reporting and performance monitoring
- Data: Technical crash information only, no personal data
- Privacy Policy: sentry.io/privacy
App Stores
- Apple App Store / Google Play: Subject to their respective privacy policies
- We Don't Receive: Download analytics, user demographics, or usage statistics from app stores
5. Children's Privacy
Sudoku Summit is safe for users of all ages. We do not knowingly collect personal information from children under 13. Since our app stores all data locally and collects no personal information during normal use, it complies with COPPA and similar children's privacy regulations worldwide.
6. International Users
Sudoku Summit is available worldwide and complies with major privacy regulations:
- GDPR (European Union): We minimize data collection and respect your rights
- CCPA (California): We don't sell personal information
- Local Laws: We respect privacy laws in all jurisdictions where the app is available
7. Your Rights and Choices
- Data Access: Your game data is stored locally and accessible through the app
- Data Deletion: Delete the app to remove all local data, or contact us to delete any feedback you've sent
- Crash Reporting: You can disable crash reporting in your device's privacy settings
- Updates: You'll be notified of privacy policy changes through app updates
8. Changes to This Policy
We may update this privacy policy from time to time to reflect changes in our practices or legal requirements. We will notify users of significant changes through:
- App store update notes
- In-app notifications for major changes
- Updated "Last Modified" date on this page
Continued use of the app after changes constitutes acceptance of the updated policy.
Questions About Privacy?
If you have any questions about this privacy policy or how we handle your information, please contact us:
We're committed to protecting your privacy and will respond to your inquiries promptly.