Last updated: March 8, 2026
This Privacy Policy explains how TortoLingua collects, uses, and protects personal information when you use our website and app.
1. Data We Collect
- Account information, such as email address and authentication provider identifiers.
- Learning data, such as your selected languages, vocabulary progress, and session-level performance signals.
- Technical and security data, such as IP address, browser details, and operational logs.
2. How We Use Data
- Deliver and improve language learning features.
- Personalize repetition and progress feedback.
- Protect the service from abuse and security threats.
- Maintain reliability, debugging, and operational monitoring.
3. Data Sharing
We do not sell your personal information. We may share data with trusted infrastructure and analytics providers strictly to operate the service, under confidentiality and security obligations.
4. Retention and Deletion
- Long-term raw reading texts and raw click-stream are not kept.
- If you remove a target language, related progress may be archived and then permanently deleted after a limited retention period.
- If you delete your account, we execute full account-level deletion of user-owned data.
5. Security
We use reasonable technical and organizational safeguards to protect your data, including secure transport and access controls.
6. Your Choices
- You can review and update profile information in the app.
- You can remove target languages from your account.
- You can request full account deletion from your account area.
7. Changes to This Policy
We may update this policy from time to time. We will post the latest version on this page with a revised "Last updated" date.