Fitmer: HIIT Interval Timer

Fitmer is a fast, no-nonsense interval timer for HIIT, Tabata, EMOM, AMRAP, For Time and round-based training. Set it up in seconds, hit start, and keep your eyes on the workout — not the screen.

SIX TRAINING MODES • Tabata / Intervals — work and rest rounds with custom timing • EMOM — every minute on the minute • AMRAP — as many rounds as possible in a fixed time • For Time — race the clock to finish • Rounds — fully custom interval sequences • Stopwatch — simple count-up timing

BUILT FOR REAL WORKOUTS • Clear audio cues and a 3-2-1 countdown so you never miss a transition • Big, readable timer designed for the floor, the mat or the rack • Keep-awake mode so the display stays on while you train • Dark, distraction-free interface

UNLOCK AS YOU TRAIN • Earn a new reward every active training day • Background and locked-screen running, vibration cues and a flashlight strobe for noisy gyms • A growing library of tick sounds and interval signals to make the timer yours • No paywall — everything unlocks by just showing up. Got a code from a friend? Redeem it to unlock instantly

SIMPLE BY DESIGN • No account, no sign-up — open and go • Works on your phone and in the browser

Tabata sprints, an EMOM strength block, a boxing round workout or a CrossFit-style WOD — Fitmer keeps the timing so you can focus on the effort.