Privacy Policy for Sudoku

Last updated: November 3, 2025

Introduction

This privacy policy describes how Sudoku ("we", "our", or "the app") collects, uses, and shares information when you use our mobile application.

Information We Collect

Our app collects limited, anonymous data to provide the global leaderboard feature:

• Game Completion Times: When you complete a puzzle, we store your completion time anonymously.
• Difficulty Level: The difficulty level of puzzles you complete.
• Timestamp: When you completed the puzzle.

What We Don't Collect

We do NOT collect:

• Personal information (name, email, phone number)
• Device identifiers
• Location data
• Advertising data
• Any information that identifies you personally

How We Use Your Information

The anonymous game data we collect is used solely to:

• Display global leaderboard statistics (average, best, and worst completion times)
• Provide a competitive gaming experience

Data Storage

All data is stored securely using Google Firebase. The data is completely anonymous and cannot be linked to any individual user.

Third-Party Services

We use Firebase (Google) to store leaderboard data. Firebase's privacy policy can be found at: https://firebase.google.com/support/privacy

Children's Privacy

Our app does not knowingly collect any personal information from children. The app is rated 4+ and is safe for all ages.

Data Retention

Anonymous game completion data is retained indefinitely to maintain leaderboard statistics.

Your Rights

Since we do not collect any personally identifiable information, there is no personal data to access, modify, or delete.

Changes to This Policy

We may update this privacy policy from time to time. Any changes will be posted on this page with an updated "Last updated" date.

Contact Us

If you have any questions about this privacy policy, please contact us.

No Sale of Data

We do not sell, trade, or transfer any data to third parties.

Consent

By using our app, you consent to this privacy policy.