Clean Interval Timer Android App - playslack.com , Clean Timer is simple easy to use repeating interval Timer. If you like interval trainig online like High-intensity interval training (HIIT), Tabata, BodyRock, Fight Gone Bad, Crossfit, running, Bootcamp, Sprint Intervals, Kickboxing, Spinning, Kettlebells, ZWOW, sekta workout or something else then you defenitely would like to use it. - quick set up - you don't need to fill unnecessary fields before your workout just select...