Is multifunction application includes Tabata timer, chronometer, stopwatch, timer, calculator heart rate (Cooper, Karvonen), bmi (Body Max Index) calculator, Stretching Mode. Sets counter. In Timer there is a sets counter. Each time the timer is restarted the number of the series (sets) is increased. Useful when we want to keep track of how many sets of a given exercise have been performed. Stretching mode. When you add a timer ("add" button in window timer), it is possible to enter a time of