Personal Interval Timer

Simple interface to do sport without wasting time. Personal Interval Timer is good for Boxing, MMA, BJJ, HIIT, Tabata, and any activity with intervals.

Features:

- Works with the locked phone with a black screen
- Works while your music is playing
- Saving your customized presets/workouts
- Sharing workouts with friends
- Shows your history and the progress in charts
- Voice or bell notifications