Privacy Policy
Last updated: February 2026
1. Information We Collect
When you create an account, we collect your email address, display name, and profile information provided through OAuth providers (Google, GitHub). As you use the platform, we collect learning progress data such as lesson completions, quiz scores, and review history.
2. How We Use Your Data
We use your information to:
- Provide and personalize your learning experience
- Power AI-driven lesson recommendations and spaced repetition scheduling
- Track your progress and generate performance insights
- Communicate important updates about the service
3. Third-Party Services
We use third-party OAuth providers (Google, GitHub) for authentication. When you sign in through these providers, we receive basic profile information as authorized by you. Please review the privacy policies of these providers for details on how they handle your data.
4. Data Retention & Deletion
We retain your account and learning data for as long as your account is active. You may request deletion of your account and associated data at any time by contacting us. Upon deletion, your personal data will be removed within 30 days, though anonymized aggregate data may be retained.
5. Data Security
We implement industry-standard security measures to protect your data, including encrypted connections (HTTPS), secure token-based authentication, and regular security reviews.
6. Contact
If you have questions about this Privacy Policy or wish to exercise your data rights, please contact us at [contact@iscbj.com].