Apple Fitness + is Apple’s answer for FitBit service, and it uses all the power of the Apple eco-system.
Apple also revealed a new fitness training service that works with the Apple Watch and other Apple devices such as iPhone, iPad, and Apple TV.
The Service uses the sensors on the Apple watch, while you watching the train with your iPhone, iPad, or Apple TV and all the data from the watch monitors to the app.
The service will be launched with the most popular types of training. Yoga, cycling, dancing, walking, and treadmill running, strength, etc.