Simple Working Timer play online

This is a simple working timer for repeating.
Working and break are set as one set, and the number of sets is determined and a schedule is created.
Finished working time are recorded in the calendar.

Features
- Create a schedule and start working.
- There is also a "quick" function that starts the timer immediately.
- You can change the break time on the schedule screen (Premium feature)
- The timer works even if the screen is off or in the background.
- You can also see the totals for each week on the calendar.
- Multiple alarm sounds are available. (All available with Premium)
- You can change the settings while the timer is running (Premium feature)