Privacy Policy
Effective Date: 2026-02-20
1. Who We Are
LingoCompass is operated by an independent developer.
Contact email: contact@lingocompass.tech
Privacy email: privacy@lingocompass.tech
Address: No. 800 Dongchuan Road, Minhang District, Shanghai
2. Information We Collect
- Account info: email, display name, avatar (if provided).
- Learning & usage data: learning history, mistakes, learning patterns, interactions, logs, timestamps.
- Device & technical info: IP address, browser, device info, OS version, access logs.
- Cookies/local storage: login state, language/theme preferences, core functionality.
3. How We Use Information
- Provide registration, login, content access, and account management.
- Generate learning insights, personalized guidance, and feedback.
- Troubleshooting, performance optimization, and security.
- Support and essential notifications.
4. AI Use
We do not use your data to train or improve models.
Your mistakes and learning patterns may be referenced in AI prompts to improve analysis quality.
5. Sharing of Information
We do not sell personal information or run ads.
We may share necessary data with the following providers:
- Supabase: database and file storage.
- Upstash Redis: caching, quota, and rate limiting.
- AI providers: to deliver AI analysis features.
6. Data Processing & Cross-Border Transfers
If cross-border transfer is involved, we follow applicable laws and safeguards.
7. Data Retention & Deletion
- We retain account and learning data while your account is active and as needed to provide the service.
- After account deletion, we delete or anonymize related data within a reasonable period, unless legal obligations require retention.
- Logs and backups are retained for periods necessary for security, operations, and compliance.
8. Minors
Minors are allowed to use the service with no minimum age requirement.
We will update this policy if legal requirements change.
9. Your Rights
You can access, update, correct, or delete your personal data.
To exercise your rights, contact privacy@lingocompass.tech.
10. Security
We apply reasonable technical and organizational measures, but cannot guarantee absolute security.
11. Policy Updates
We will notify you of updates via the website or email.