Multiple Countdown Timer 3.6

This is a countdown timer which can save and invoke multiple timers.

Features:
1. Control all timers in first screen.
2. Invoke all timers at the same time.
3. Start timers with quick action
4. Pause timers individually.
5. Work timers in background.
6. Dark Mode
7. Can turn off display by proximity sensor
8. Can prevent Auto-Lock while this app in foreground
9. Apple Watch Compatible
10. iPad Multi Window Compatible