Privacy Policy

Last updated: January 1, 2026

Lingo is committed to protecting your privacy. This policy explains how we collect, use, store, and safeguard personal information when you use Lingo's services, in compliance with applicable data protection regulations.

1. Information We Collect

We collect the following types of information: (a) Account information: email address, display name when you register; (b) Payment information: transaction history, no card details stored; (c) Usage data: feature usage statistics, activity time, device type and operating system; (d) Technical information: IP address, app version, error logs for service improvement purposes. Note: Your videos and subtitle content are processed entirely on your local device and are never uploaded to our servers.

2. How We Use Your Information

Collected information is used to: (a) Provide, maintain, and improve the service; (b) Process payment transactions and manage licenses; (c) Send technical notifications, security updates, and customer support; (d) Analyze usage trends to enhance user experience; (e) Detect and prevent fraud and terms violations.

3. Data Storage and Security

Your data is stored on secure servers in Vietnam or the Asia-Pacific region. We apply appropriate technical and organizational security measures, including SSL/TLS encryption, access controls, and continuous monitoring. Account data is retained for the duration of account activity and for 30 days after account deletion.

4. Third-Party Sharing

We do not sell your personal information. We may share information with: (a) Google LLC — through Google OAuth login for identity verification; (b) Infrastructure service providers — to operate the system, with equivalent security commitments; (c) Government authorities — when required by law or order of a competent authority.

5. Cookies and Tracking Technologies

Lingo uses cookies and similar technologies to maintain login sessions, remember user preferences, and collect anonymous usage statistics. You can control cookies through your browser settings, however disabling cookies may affect some service features.

6. Your Rights

You have the following rights regarding your personal data: (a) Access: request to view the personal information we store; (b) Correction: request updates to inaccurate information; (c) Deletion: request deletion of your account and associated data; (d) Objection: object to processing of data for marketing purposes; (e) Complaint: lodge a complaint with the relevant data protection authority.

7. Contact

To exercise your rights or for questions about privacy, please contact: Email: [email protected] | Address: Hanoi, Vietnam. We will respond within 5 business days.