Privacy Policy

Last updated: April 9, 2026

1. Information We Collect

We collect information you provide when creating an account (email address), as well as usage data (practice sessions, scores, and learning progress) to power our AI personalization features.

2. How We Use Your Information

Your data is used to provide and improve the TOEFL prep service, personalize your learning experience through our Cortex AI engine, and communicate service updates.

3. Data Storage

All data is stored securely in our Supabase database with row-level security policies. We never sell your personal data to third parties.

4. Your Rights

You have the right to access, correct, or delete your personal data at any time. Contact us at privacy@koydo.app.

5. Cookies

We use essential cookies for authentication and session management only. We do not use advertising cookies.

6. Contact

Questions? Email us at privacy@koydo.app.