🔒 Privacy Policy

Last Updated: October 2026

1. Information We Collect

We collect the following information when you use CGLingo: (1) Account information — your email address and display name, provided during email registration or received from Google when you sign in with Google; (2) Google account data — if you use "Sign in with Google", we receive only your Google email address, name and profile picture, limited to the basic "openid", "email" and "profile" scopes; (3) Learning data — your learning language, reading progress, saved words and practice records; (4) Technical data — an anonymous visitor ID, browser type, operating system, IP address and the pages you visit, used for service security and aggregated statistics.

2. How We Use Your Information

We use your information to: create and manage your account; synchronize your learning progress across devices; provide and improve our learning content; detect, prevent and address technical or security issues; and respond to your questions. We do not use your personal information for advertising, and we do not sell it to anyone.

3. Google Sign-In Data and Limited Use

When you sign in with Google, CGLingo only requests basic profile information (email address, name and profile picture) and never reads your emails, files, contacts or any other Google services. CGLingo's use and transfer to any other app of information received from Google APIs will adhere to the Google API Services User Data Policy, including the Limited Use requirements.

4. Information Sharing

We do not sell, trade or rent your personal information. We share information only with the service providers that help us operate this website (for example, cloud hosting, storage and content delivery providers), and only to the extent necessary to provide the service. We may disclose information if required by law.

5. Data Storage and Retention

Your information is stored on secured servers operated by us or our hosting providers. We keep your account and learning data for as long as your account is active. If you request deletion, or your account stays inactive for a long period, we delete or anonymize the related personal data within 30 days, except where a longer retention period is required by law.

6. Content Copyright

The reading materials provided on this platform are mainly derived from classic literary works that have entered the public domain, with expired copyright protection. Vocabulary definitions and translations are generated with AI technologies and are for learning reference only.

7. Data Security

We take reasonable technical and organizational measures to protect your personal information, including encrypted connections (HTTPS). However, please note that no data transmission over the Internet can be guaranteed to be 100% secure.

8. Children's Privacy

CGLingo is not directed to children under the age of 13, and we do not knowingly collect personal information from children under 13. If we learn that we have collected personal information from a child under 13, we will delete it promptly. If you believe a child has provided us with personal information, please contact us.

9. Your Rights

You have the right to access, correct, export or delete your personal information at any time. You can also revoke CGLingo's access to your Google account at any time through the permissions page of your Google account (myaccount.google.com/permissions). To exercise any of these rights, contact us at report.cglingo@hotmail.com and we will respond within 30 days.

10. Policy Updates and Contact

We may update this privacy policy from time to time. Updated policies will be posted on this page with a new "Last Updated" date. If you have any questions about this policy or our data practices, contact us at report.cglingo@hotmail.com.