A free program for Android, by TLe Apps.

Developed by TLe Apps, Interval Workout Timer is a fitness app that is designed to measure your workouts according to color codes so that you can have balanced sessions – and as for the color codes, it is so that you can seem them from afar.

THis app features voice feedback, customizable settings for prepping exercise and rest durations, customizable amount of sets and reps and so much more.

It can be utilized for most interval training programs such as HIIT training, Tapata, Calisthenics, Circuit training, boxing, and others.