It is the perfect app for those looking to increase the intensity and effectiveness of their training. There are 3 modes available: Interval Training, Time-Restricted, and No Limits. The app has been designed for a number of different exercises including sit ups, push ups, abs workout, and many others. You can even add your own exercises and customize your training program to suit your specific needs. It has a built-in timer for those who wish to increase the time in between rounds and rest periods. There are several warning and prep time options available. The app is highly customizable and allows the user to add their own specific exercises. You can even select the order in which the playlist plays.