Privacy Policy

1. Information We Collect

The Service collects the following information:

• Account information: Username, password (stored as a bcrypt hash). If you sign in via Google OAuth, your Google ID and email address are also stored
• Match records: Map, heroes used, match result, date recorded
• Group data: Group name, membership information
• Session data: Session cookies for authentication state management

2. How We Use Your Data

Collected information is used solely for the following purposes:

• Statistical analysis for hero composition recommendations
• Personalized win rate calculations
• User authentication and group management
• Providing and improving the Service

3. Third-Party Disclosure

Your personal information will not be disclosed to third parties except as required by law. The Service does not sell or share your match data with any external parties.

4. Use of Cookies

The Service uses cookies for the following purposes:

• Session management: Session cookies to maintain your login state
• Analytics: Google Analytics for understanding usage patterns and improving the Service

Disabling cookies in your browser settings will prevent login functionality from working.

5. Data Storage

• Data is stored in a PostgreSQL database
• Passwords are hashed with bcrypt and are never stored in plain text
• Database connections use SSL encryption

6. Data Deletion

You can delete your account from your account settings. If you are a group owner, you must first delete your groups. Account deletion is performed as a soft-delete, and data is retained for a limited period.

7. Changes to This Policy

This policy may be updated as needed. Significant changes will be posted on this page. Continued use of the Service after changes constitutes acceptance of the updated policy.