Privacy Policy

Last updated: August 2026

English Mastery ("we", "our", "the app") is committed to protecting the privacy of our users, including students, teachers, and parents. This policy explains what information we collect and how we use it.

1. Information We Collect

Account information: email address and password (securely encrypted) when you create an account.
Learning progress: which lessons you've completed, quiz scores, and XP earned, so your progress can be saved and synced across devices.

2. How We Use Your Information

To create and manage your account.
To save and display your learning progress.
To improve the app's content and features.

We do not sell or share your personal information with third parties for advertising purposes.

3. Data Storage

Your data is stored securely using Supabase, a third-party database provider. Access to your personal data is restricted to you alone through account authentication and security policies.

4. Children's Privacy

English Mastery may be used by students under 18 through school accounts. We collect only the minimum information necessary (email and learning progress) and do not knowingly collect any other personal information from children. Parents and schools may contact us to request review or deletion of a child's data.

5. Your Rights

You may request access to, correction of, or deletion of your personal data at any time by contacting us.

6. Changes to This Policy

We may update this Privacy Policy from time to time. Continued use of the app after changes indicates acceptance of the updated policy.

7. Contact Us

If you have questions about this Privacy Policy, please contact us at: appenglishmastery@gmail.com