Effective date: February 14, 2026

Penguide ("we", "our", "us") respects your privacy. This Privacy Policy explains what data we collect, how we use it, and your rights when using the Penguide mobile application.

1. Information We Collect

We may collect the following information:

• Account Information

  Email address and authentication data when you sign up or sign in (including email/password, Google, or Apple sign-in).

• Usage Data

  Study-related data you create in the app, such as Pomodoro sessions, solved question counts, goals, streak progress, and settings.

• Technical Data

  Basic device and app diagnostics (such as app version and crash-related information) to improve reliability.

2. How We Use Information

We use your data to:

• provide and maintain core app functionality
• authenticate and manage your account session
• display your personal progress and statistics
• improve app performance, stability, and user experience
• respond to support requests

3. Data Storage and Security

• Authentication is managed through Supabase Auth.
• In the MVP version, study tracking data may be stored locally on your device.
• We apply reasonable technical and organizational safeguards, but no method of transmission or storage is 100 percent secure.

4. Third-Party Services