Privacy Policy

1. Information We Collect

We collect information you provide directly to us when you:

• Sign in with Google (email address, first name, last name from your Google account)
• Set your learning preferences (current level, preferred language)
• Use our learning features (progress data, vocabulary reviews, reading history)

2. How We Use Your Information

We use the information we collect to:

• Provide and personalize your learning experience
• Track your progress through Estonian language levels
• Maintain your authentication session
• Send you account-related communications
• Improve our service and develop new features

3. Data Storage and Security

• Profile Data: Stored in our secure PostgreSQL database
• Authentication: We use Google OAuth for secure authentication (no passwords stored)
• Session Management: Authentication tokens stored in your browser's local storage
• Data Location: All data is stored on secure servers within the European Union
• No Third-Party Analytics: We do not use any third-party tracking or analytics services

4. Your Rights Under GDPR

As a user, you have the right to:

• Access: Request a copy of your personal data
• Rectification: Correct any inaccurate personal data
• Erasure: Request deletion of your account and associated data
• Portability: Export your learning data in a machine-readable format
• Objection: Opt-out of any communications

To exercise any of these rights, please contact us using the information below.

5. Data Sharing

We do not sell, trade, or otherwise transfer your personal information to third parties. Your data remains private and is used solely to provide and improve our Estonian language learning service.

6. Children's Privacy

Our service is not directed to children under 13. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe we may have collected information about a child, please contact us.

7. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any significant changes by posting the new Privacy Policy on this page and updating the "Last updated" date.

8. Contact Information

If you have any questions about this Privacy Policy or our data practices, please contact us at: