Privacy Policy
Last Updated: January 2025
Your privacy is fundamental to how we built MainGain.
Data Collection
MainGain stores the following data locally on your device only:
- Daily weight measurements
- Meal entries (calories, protein, carbs, fats)
- Food item names
- Barcode numbers (for scanning)
Data Storage
- All data is stored using Core Data on your device
- Data is protected by iOS encryption when device is locked
- No data is transmitted to our servers
- No analytics or tracking codes
- No third-party data sharing
Network Usage
MainGain only connects to the internet for:
- OpenFoodFacts API for nutrition data lookup (optional)
- App Store for purchase verification
Camera Usage
- Camera access is used only for barcode scanning
- No photos are stored
- Camera access is optional and can be denied
Data Export
- You can export your data anytime as CSV or JSON
- Exported files remain under your control
Data Deletion
- Uninstalling the app removes all data
- You can delete individual days within the app
This policy may be updated occasionally. Updates will be reflected in the app.