ProTimer - Interval Timer

ProTimer is the simple, fast, and flexible interval timer you've been looking for. With voice prompt support and the ability to program and save your own timers, ProTimer is perfect for HIIT workouts, or any situation where you need a reliable and accurate timer. Plus, ProTimer works offline so you can use it anywhere, and there are no annoying ads. And if you need to reuse a timer or share it with a friend, no problem - just copy and paste the timer for easy reuse.

A free web version of this app can be found at https://timer.phouseproductions.com