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.

A HIIT timer, Tabata timer, gym timer and boxing round timer in one app — Fitmer covers every interval workout.

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

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

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