Privacy Policy

Effective Date: March 1, 2026

NumberTrail ("we", "our", "the app") is a puzzle game developed by an independent developer. This Privacy Policy explains what information is collected when you use NumberTrail and how it is used.

Information We Collect

Gameplay Data (Stored Locally)

• Level progress, star ratings, best times, and move counts
• Display preferences (theme, text size, language)

This data is stored on your device using local storage and is not transmitted unless you use the leaderboard feature.

Leaderboard Data (Stored in the Cloud)

If you participate in the global leaderboard, the following data is sent to our servers (Google Firebase Firestore):

• A randomly generated user identifier (not tied to your device hardware or Apple ID)
• Your chosen display name (username)
• Aggregate gameplay statistics: total stars, completed levels, best times, and composite score

Leaderboard data is publicly visible to other players (username and scores only).

Analytics Data

We use Google Firebase Analytics to understand how the app is used. This service may collect:

• App open events
• Level start and level completion events (level ID, grid size, stars earned, completion time)
• Aggregate user properties (total stars, completed levels)
• General device information (device model, OS version, app version) as automatically collected by Firebase

Analytics data is aggregated and anonymized. We do not use it to personally identify you.

Information We Do Not Collect

• We do not collect your name, email address, phone number, or physical address
• We do not access your contacts, photos, camera, microphone, or location
• We do not use advertising identifiers or tracking pixels
• We do not use third-party ad networks
• We do not sell, rent, or share your personal information with third parties
• We do not require account creation or login

Third-Party Services

The app uses Google Firebase for analytics and leaderboard functionality. Firebase is operated by Google LLC. Their data handling is governed by Firebase's Privacy Policy and the Google Privacy Policy.

Data Retention

• Local data: Stored on your device until you delete the app or reset your game data via Settings.
• Leaderboard data: Retained in Firebase Firestore as long as the leaderboard is operational. There is currently no self-service deletion mechanism.
• Analytics data: Retained by Firebase Analytics according to Google's standard retention policy (default: 14 months).

Data Deletion

You can delete all locally stored data by using the "Reset Game Data" option in the app's Settings. To request deletion of your leaderboard data from our servers, please contact us at the email address below.

Children's Privacy

NumberTrail is not directed at children under 13. We do not knowingly collect personal information from children under 13. The app does not require any personal information to play.

Security

All data transmitted between the app and Firebase servers is encrypted using HTTPS/TLS. Firestore security rules enforce that users can only modify their own leaderboard entries.

Changes to This Policy

We may update this Privacy Policy from time to time. The effective date at the top of this page indicates when the policy was last revised. Continued use of the app after changes constitutes acceptance of the updated policy.

Contact Us