Privacy Policy

We respect your privacy and only collect the data needed to run the learning service.

1. Data we collect

• Account info: email, display name, avatar (if you sign in with Google).
• Learning progress: words learned, quiz scores, streaks, XP, exam history.
• Payment data: order code, status (we do NOT store card details).
• Anonymous technical data: device type, pages viewed (via analytics).

2. How we use it

• Personalize your learning roadmap and review schedule (SRS).
• Process payments and grant Premium access.
• Send study reminders, account verification and password resets.
• Improve the product based on aggregate statistics.

3. Sharing with third parties

We share only the minimum data with the infrastructure providers we need: email (Resend), payments (SePay), analytics & error tracking (PostHog, Sentry). We do not sell your personal data.

4. Your rights

• Request to view, edit or delete your personal data.
• Delete your account at any time — related data will be removed.

5. Storage & security

Data is stored on encrypted cloud infrastructure. Passwords are hashed, never stored in plain text.

6. Contact

For any data-related request, please reach out via the Contact page.