This is an app that helps you get fit. If you like fitness too, try downloading! Develop the fitness program that suits you best and let your fitness achieve the best results. - Users develop their own exclusive fitness program and customize the time of each group's fitness exercises - Users can adjust the speed of the fitness rhythm as needed, and choose the length of time to rest. - Start the fitness exercise following the rhythm of the app, and record it in the app after it is finished.