Privacy Policy

Last updated: July 2, 2026

Thanks for using 非正式口语. This policy explains how the app handles information.

We Do Not Collect Personal Information

The app is designed to run locally on your device. We do not collect, store, or transmit personal information such as your name, email address, location, device identifiers, or usage behavior.

Local Storage

The app may save the following data locally on your device to provide the learning experience:

· Lesson progress
· Streak and activity history
· Saved or reviewed lessons
· Recording countdown and playback preferences
· Purchase entitlement status

This data stays on your device and is not accessible to us.

Voice Recordings

If you use recording features, recordings are stored locally on your device for playback and practice. We do not upload or access your recordings.

Content and Audio Downloads

The app may download lesson content and audio files from content.mynah.top to keep learning content up to date. These requests do not include your name, recordings, lesson progress, or saved lessons.

Purchases

In-app purchases are processed by Apple. The app only checks whether your Apple ID has an active 非正式口语 Pro entitlement so that it can unlock Pro content.

Third-Party Services

The app does not use third-party analytics, advertising, or tracking services.

Children's Privacy

The app does not knowingly collect personal information from children.

Changes to This Policy

If this policy changes, we will update this page and revise the date above.

Contact

If you have any questions, contact us at zdyang19@gmail.com.