workouts app
The Apple Watch shines for its health and fitness capabilities, and one of its handiest features is the ability to track your workouts. Using the built-in Workouts app, you can track your progress at a variety of activities in and out of the gym, including biking, walking, hiking, jogging, rowing, elliptical, stair stepper, swimming, and even yoga.
The app will let you shoot for a specific time, distance, or number of calories burned, or just record a free-flowing workout. As you perform your activity, the app records your time, calories burned, distance traveled, and heart rate. When you're done, the results are sent to the Fitness app on your iPhone, where you can view the latest stats and track a history of your workouts.