Completely ad-free
This is a simple interval timer.
It is perfect for HIIT (High-Intensity Interval Training) training such as Tabata style, yoga, convict conditioning, and various fitness.
Of course, it can also be used as a kitchen timer.
Initial setting
According to the time of Tabata training, 20 seconds of exercise, 10 seconds of break between sets, and 8 sets.
It can also be used in an offline environment.