YorFiit is 100% free and open source. No registration required. No internet connection required.
Security:
- AES encryption
- Elliptic Curve Integrated Encryption Scheme (ECIES)
- 256 bit key
- Cryptographic key is stored in the Secure Enclave
- Encryption of all content stored in the app
Features:
- Customizability of the app
- Automatically stop workouts by using geo-fencing
- Synchronize with Apple Health
YorFiit can interact with Apple Health. It can create workouts or access data like heart rate and steps.
You can view the source code for the app here: https://github.com/jokoziol/YorFiit