Let's become better, faster and stronger together. Tabata Timer app is your new mate that will be with you on your training. Beginners will find a simple interface to start a workout in one click, advanced users a lot of settings and the ability to fine-tune their workouts to fit their needs. Tabata Timer Interval Timer Workout Timer for HIIT is a free interval workout timer app for high intensity interval training (HIIT). It is more than a stopwatch or countdown clock. Are you looking for a good sports interval timer app? If so, you're in the right place!