Privacy Policy

Effective date: July 20, 2026  ·  Gridisco by Chris Engelsma

1. Information We Collect

When you create an account, we collect:

• Email address (from Apple Sign In, Google Sign In, or email/password)
• A display username you choose
• Sign-in provider identifiers (Apple ID, Google ID)
• Game statistics: puzzle completions, scores, and streak data
• Token balance and transaction history

2. How We Use Your Information

• To authenticate you and sync your progress across devices
• To display leaderboards and personal statistics
• To manage your in-app token balance
• To improve the game and diagnose technical issues

3. Data Storage

Your data is stored in Google Firebase (Firestore) and protected by Firebase's security infrastructure. Authentication is handled by Firebase Authentication.

4. Third-Party Services

• Firebase (Google) — authentication and database
• Apple Sign In — optional sign-in method
• Google Sign In — optional sign-in method

5. Data Retention & Deletion

You may delete your account and all associated data at any time using our account deletion page or by emailing [email protected]. We will process deletion requests within 30 days.

6. Children's Privacy

Gridisco is not directed to children under 13. We do not knowingly collect personal information from children under 13.

7. Contact

Questions? Email [email protected]