Settings and privacy

Keep learning comfortable

Control language, pinyin, speech, backups, reduced motion, and local data.

Learning

Learning preferences

Interface languagePreferred translation languageShow pinyin in lists and feedbackSound feedback onReduce motionMandarin playback speedDaily exercise targetDaily XP goal

Portability

Backup and restore

A versioned JSON file contains your lessons, progress, history, and settings.

Choose backup file

Privacy

Data stays on this device

Lessons and progress live in this browser’s IndexedDB. The app sends no lesson content to AI, analytics, or an external server. Clearing browser data can also erase your learning data.