The UI is great, so is the user experience. The videos explaining an exercise is a nice addition, so is are the built-in workouts and ability to create custom exercise workouts.
I would recommend this app to everyone doing fitness and want to track the workouts.
Things that need improvement, hence the 3-stars:
- Being able to manage custom workouts on the Apple Watch. Only built-in plans are supported right now.
- Integration with Apple Health, tracking workouts and such, which is non-existent at the moment.