# HappyCalc Privacy Policy
Last updated: 2026-04-17
HappyCalc does not require account creation and does not collect personal identity information directly.
## Data stored on device
- selected language
- sound/theme preferences
- streak/report history
This data is stored locally on your device to provide app features.
## Data sharing
HappyCalc does not sell personal data.
## Contact
support@happycalc.app