HIIT Interval Timer

Turn your phone into a hands-free interval timer. Set your work and rest times, hit START, and put the phone down — the screen fills with color, the beeps count you in, and the phone vibrates every time the interval changes. Built for people who are moving, not staring at a screen. PRESETS IN ONE TAP ▸ Tabata — the classic 20s work / 10s rest, 8 rounds ▸ EMOM — every minute on the minute ▸ Custom — your own work, rest, rounds and sets WHILE YOU TRAIN ▸ Full-screen color tells you the phase at a glance: green for work, red for rest ▸ Countdown beeps 3 seconds before every change, so you are never caught off guard ▸ Vibration on every switch — works even with your music playing loud ▸ Huge countdown number you can read from across the room ▸ Round and set counter so you always know where you are ▸ Pause, skip forward, or step back if you lose your place ▸ Screen stays awake during the whole workout MAKE IT YOURS ▸ Work and rest from 1 second to an hour ▸ Up to 99 rounds and 99 sets, with a separate rest between sets ▸ Adjustable get-ready countdown before the first round ▸ Total workout time updates as you edit, so there are no surprises ▸ Save your favourite routines with your own names GOOD FOR ▸ HIIT and Tabata sessions ▸ Circuit training and CrossFit style workouts ▸ Boxing and martial arts rounds ▸ Stretching, mobility and yoga holds ▸ Running intervals and sprint repeats ▸ Anything with a work and rest rhythm SIMPLE BY DESIGN No account, no sign-up, no internet needed to run a workout. Light and dark themes included. Supported by ads.