It is a very minimalistic timer with minimum of functionality that exactly what you expect it to do. Select the number of times you want to perform an exercise and the amount of seconds you need per repeat. You are all set and ready to go!
UI is based on two pickers for workout settings and intuitively clear control buttons. It is important that workout can be started in one single touch and no long setup is required. Once the workout is started, the flow can be easily controlled.