Interval training timer

Features:
-Variable number of sets;
-Variable number of repetitions per set;
-Variable rest interval time;
-Variable work interval time;
-Variable rest interval between sets time;
-Sound alert for rest time;
-Sound alert for work time;
-Optional sound alert for half work time.
-Full screen digit time;
-Time pause/resume when screen is touched.

This app is absolutely free and has no adds. I made it for my personal use and decided to publish it. Anyone who has suggestions to make it better feel free to white me Indriulis.Raimundas@gmail.com.

Possible uses:
-High intensity training(HIIT);
-TABATA protocol;
-Crossfit;
-Endurance;
-Speed training;
-Lactate threshold;
-VO2max;
-Diseases prevention (metabolic syndrome, cardiovascular disease, obesity, diabetes);
-Fat burn;
-Decrease waist circumference;
-Anyone who is after being fitter, healthier and more efficient;