Simple Interval Timer app with powerful Interval customisation and voice notifications that can be used for all kinds of interval activities, including: - Crossfit - Tabata - HIIT training - Circuit training - Boxing round training - Calisthenics circuit training It is free and contains advertisements. In this app version you are able to create 3 workouts. And for each workout you are able to create any Intervals and Groups of Intervals you want with setting up colour, title and time. To be a