Privacy Policy for BookEng
Last updated: June 25, 2026
BookEng is an application for learning English through reading books, saving vocabulary, and completing learning exercises.
This Privacy Policy explains what information we collect, how we use it, and what choices users have.
1. Information We Collect
BookEng may collect and process the following types of information.
Account Information
When you create an account or sign in, we may process:
- email address;
- display name, if provided by a sign-in provider;
- user identifiers from sign-in providers such as Google, Apple, or Telegram;
- authentication/session tokens required to keep you signed in.
Learning and App Usage Data
To provide the app's core features, we may store:
- reading progress;
- words saved to your personal dictionary;
- learning exercise progress and results;
- selected books or learning materials;
- account settings and app preferences.
Diagnostic Data
To improve app stability and fix errors, we may collect:
- crash reports;
- diagnostic logs;
- app version;
- device and operating system information.
We do not intentionally collect health data, financial information, contacts, SMS messages, calendar data, precise location, photos, videos, or audio files.
2. How We Use Information
We use collected information to:
- create and manage user accounts;
- authenticate users;
- provide reading, dictionary, and learning exercise features;
- save learning progress;
- improve app stability and performance;
- protect accounts and prevent misuse;
- respond to support requests.
3. Sharing of Information
We do not sell personal information.
We may share or process limited information with third-party services that are necessary for the app to work, including:
- Google, Apple, and Telegram for sign-in and authentication;
- Google Play for Android app distribution;
- diagnostic and crash reporting services, such as Sentry, if enabled in the app.
These services may process information according to their own privacy policies.
4. Data Security
We use reasonable technical measures to protect user information. Data transmitted between the app and our servers is sent over HTTPS.
5. Data Retention and Deletion
We keep user data for as long as needed to provide the app's features, maintain accounts, improve the service, and comply with applicable requirements.
Users may request deletion of their account and associated data by contacting us:
Please include the email address or sign-in method used in BookEng so we can identify the account.
6. Children
BookEng is an educational app for learning English. If the app is used by a minor, use should be supervised by a parent or legal guardian where required.
We do not knowingly request more personal information from children than is necessary to provide the app's core functionality.
7. Changes to This Policy
We may update this Privacy Policy from time to time. The updated version will be published on this page with a new “Last updated” date.
8. Contact
For privacy-related questions or data deletion requests, contact us at: