Four kinds of timer for training. All have play/pause/reset and keep the screen on while running.
User documentation
Timer
Types
AMRAP
Set minutes and seconds; it counts down from that time (as many rounds as possible).
EMOM
Set minutes and seconds per round and the number of rounds; it beeps at the start of each round ("Every Minute On the Minute").
TABATA
Set work minutes/seconds, rest minutes/seconds and number of rounds (by default, 8 rounds of 20 s work / 10 s rest).
STOPWATCH
Simple stopwatch counting up (hh:mm:ss), with no setup needed.