Privacy Policy

Basic English 850 · Last updated: 2026-05-27

Overview

Basic English 850 is an offline vocabulary learning app. We do not collect, transmit, or share any personal data.

Data Storage

All learning progress (learned words, starred words, streak count) is stored locally on your device using the device's built-in storage. This data never leaves your device and is not accessible to us or any third party.

Data Collection

We do not collect any personal information, usage analytics, crash reports, or advertising identifiers.

Third-Party Services

This app does not integrate any third-party SDKs, analytics services, or advertising networks.

External Links

The app contains a link to hp.duzdoc.com. Visiting that site is subject to its own privacy policy.

Contact

If you have any questions about this privacy policy, please contact us at info@duzdoc.com.