No In-App Purchase !
The timer includes 4 types of timers and stopwatches by default, and provides an opportunity to supplement the list of custom timers 4 standard types.
This is -
1. Stopwatch.
2. Simple timer.
3. Interval timer (good for boxing training).
4. Chess clock.
Timers have a wide range of settings of all necessary parameters, as well as the opportunity to choose a soundtrack of their work. You do not need change the timer every time, when situation is changed. You can create the desired timer and use it in the future.