Data Policy
Last updated: March 1, 2026
1. Overview
This Data Policy explains how Ludwitt handles the data generated through your use of our adaptive learning platform. It covers learning data, third-party data sharing, data retention, and your rights. This policy supplements our Privacy Policy.
2. Learning Data
When you use Ludwitt, we collect learning data to power the adaptive experience:
- Performance Data: Answers submitted, correctness, time spent, difficulty levels, and skill assessments.
- Progress Data: XP earned, streaks, achievements unlocked, and levels completed.
- Interaction Data: Hints requested, explanations viewed, AI tutoring conversations, and study room participation.
- Preference Data: Subject selections, display settings, and notification preferences.
This data is used exclusively to personalize your learning experience, adjust difficulty, and track your progress. It is never used for advertising.
3. Third-Party Data Sharing
We share data with third parties only as necessary to operate the Platform:
| Service | Data Shared | Purpose |
|---|---|---|
| Firebase (Google) | Account data, learning progress, files | Authentication, database, storage |
| Anthropic | Learning content for AI processing | Grading, explanations, tutoring |
| Stripe | Payment and billing information | Payment processing |
| Vercel | Request metadata | Hosting and delivery |
| Daily.co | Video/audio streams | Study room video calls |
Content sent to Anthropic for AI processing is not used for training AI models. We do not sell, rent, or trade your data to any third party.
4. Data Retention
- Active accounts: Data is retained for the lifetime of the account.
- Deleted accounts: Personal data is deleted or anonymized within 30 days of account deletion.
- Inactive accounts: Accounts inactive for 2+ years may be purged after notification.
- Anonymized data: Aggregated, de-identified learning analytics may be retained indefinitely for research and platform improvement.
- Legal obligations: Some data may be retained longer if required by law.
5. Data Export and Portability
You can request an export of your data at any time by contacting us at privacy@ludwitt.com. We will provide your data in a machine-readable format (JSON) within 30 days.
6. Data Security
All data is encrypted in transit using TLS and at rest using AES-256. Access to production databases is restricted to authorized personnel and audited. We conduct regular security reviews and follow industry best practices.
7. Contact Us
For questions about this Data Policy or to exercise your data rights, contact us at privacy@ludwitt.com.