# ChemMaster Privacy Summary

ChemMaster stores account information, practice progress, and mastery signals so the app can personalize AP Chemistry study recommendations and restore sessions between visits.

## Information Stored

ChemMaster may store:

- Name and email address
- Password hash
- Practice preferences
- Progress history
- Submitted answers
- Mastery signals
- Basic first-party analytics
- Operational logs for reliability and security

## How Information Is Used

Information is used to authenticate accounts, save progress, generate adaptive recommendations, show strengths and weaknesses, support account recovery, and improve the product.

## Links

- Full privacy policy: https://chemmaster.org/privacy
- Support: https://chemmaster.org/support