Apple Fitness is Apple’s workout and activity ecosystem across iPhone, Apple Watch, and Fitness+. Key features include:
- Health and fitness data is encrypted on device when your device is locked
- Synced health and activity data can be end-to-end encrypted in iCloud when you use a passcode and two-factor authentication
- Activity sharing is opt-in and can be revoked
- Improve Health & Activity is optional and can be left off
- Better privacy posture than ad-driven fitness platforms if you are already in the Apple ecosystem