Intense training timer

This timer is ideal for both home use and workout in the gym. It can be used for training with weights, stretching, boxing, MMA training and training for intensive interval training. Regulated approaches to learning high and low intensity, as well as setting intervals between them.
The timer starts after the START button is pressed. STOP button can stop the timer and then start over again.
There are three modes: preparation, work, rest. When the timer starts, the state of the training begins immediately, and then - the state of work with intermediate states of rest. The duration of each mode can be changed in the settings.