Privacy Policy

Last updated: May 26, 2026

BE850 ("the App") is developed by LongDingShang. We take your privacy seriously.

Data Collection

This App does not collect, store, or transmit any personal data.

Network Access

This App contains no network functionality. All vocabulary data is bundled within the app and no internet connection is required.

Third-Party Services

This App does not use any third-party analytics, advertising, tracking, or data collection services.

Cookies

This App does not use cookies or any similar tracking technologies.

Local Storage

The App stores the following information locally on your device to improve your experience:

• Interface language preference (Chinese / English)
• Simplified / Traditional Chinese preference
• Pronunciation accent preference (UK / US)
• Learning progress (viewed, remembered, review marks)

This data is stored only on your device and is not accessible to the developer. It is automatically deleted when the App is uninstalled.

Children's Privacy

This App does not collect personal information from any user, including children. The App is suitable for users of all ages.

Changes to This Policy

If this policy is updated, we will revise the content on this page and update the "Last updated" date.