Timer reminder

Set the interval , start and end time of the timer .
Receive notifications , change the melody , see the remaining time until the next alarm .
Where you can use :
You need to take pills on time ;
The timer for the high-intensity interval training Tabata ;
You spend a lot of time at the computer and it would be good to warm up at an interval of an hour .
It's simple , but sometimes it is indispensable .