Privacy Policy

Last updated: February 2026

1. Information We Collect

We collect information you provide directly (account details, learning preferences, communication data) and information generated through your use of QuestLang (progress data, device information, usage analytics).

2. How We Use Your Information

Your data powers your personalized learning experience: spaced repetition scheduling, progress tracking, leaderboard rankings, and content recommendations. We also use aggregated, anonymized data to improve our learning algorithms and content quality.

3. Data Sharing

We do not sell your personal data. We share data only with essential service providers (hosting, payment processing, analytics) under strict data processing agreements, or when required by law.

4. Data Security

We use industry-standard security measures including encryption in transit and at rest, regular security audits, and strict access controls to protect your data.

5. Your Rights

You can access, correct, export, or delete your personal data at any time through your account settings or by contacting us at privacy@questlang.com. We comply with GDPR, CCPA, and other applicable data protection regulations.

6. Cookies

We use essential cookies for authentication and preferences, and optional analytics cookies to understand how our platform is used. You can manage cookie preferences in your browser settings.

7. Children's Privacy

QuestLang is designed for users of all ages. For users under 13, we require parental consent and limit data collection to what's necessary for the learning experience, in compliance with COPPA.

8. Contact

For privacy-related questions, contact our Data Protection Officer at privacy@questlang.com.