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Privacy Policy

Last updated: February 2026

1. Information We Collect

We collect information you provide directly (name, email, payment details) and information generated through your use of the Service (study progress, article reading history, AI interaction logs).

2. How We Use Your Information

We use your information to provide and improve the Service, personalize your learning experience, process payments, and communicate with you about your account.

3. Data Storage and Security

Your data is stored securely on Supabase (PostgreSQL) with row-level security policies. We use encryption in transit (TLS) and at rest for sensitive data.

4. Third-Party Services

We use the following third-party services: Supabase (database and authentication), Anthropic Claude (AI features), PayPal and Toss Payments (payment processing), Vercel (hosting), and Google (OAuth authentication).

5. Cookies

We use essential cookies for authentication and session management. We use Vercel Speed Insights for performance monitoring. We do not use advertising cookies.

6. Your Rights

You have the right to access, correct, or delete your personal data. You can export your study data or request account deletion through your account settings or by contacting support.

7. Data Retention

We retain your data for as long as your account is active. Upon account deletion, we remove your personal data within 30 days, except where retention is required by law.

8. Children's Privacy

Hylē is not intended for children under 13. We do not knowingly collect personal information from children under 13.

9. Changes to This Policy

We may update this policy from time to time. We will notify you of significant changes via email or through the Service.

10. Contact

For privacy-related questions, contact us at support@hyle.ai.kr.