HIITimer: Interval Timer

THE WHOLE SCREEN IS THE SIGNAL Set the phone on the treadmill or against the rack. You can read the countdown from across the room. Warm orange means work, cold blue means rest, and green means you are done. The screen never sleeps while a workout runs. SOUND ALONE IS ENOUGH Put the phone in your pocket and let the sound run the session. Five seconds before the start it counts you in, long enough to put the phone away. Two rising tones warn you a phase is nearly over. At the change itself, four beats: three, two, one, now. ALONGSIDE YOUR MUSIC The signal arrives alongside what you are listening to, not instead of it. HIITimer does not turn your music down, and does not pause it. You still hear the signal through the music, and you decide how loud: three levels, or silence. WORKS WITH YOUR TRAINING APP HIITimer does not measure heart rate. It is a timer, and it stays out of the way of…