Set up for a classic Tabata round: 20 seconds of work, 10 seconds of rest, 8 rounds. Press start and follow the tones.
Get ready, round 1 of 8, 10 seconds left
04:00 in all: a 10-second get-ready, then 8 rounds of 20 seconds with 10 seconds of rest between. 2 minutes 40 seconds of work.
Doing this every week? Follow a bodyweight plan with progressions.
Keeps time in a background tab. Works on a phone. No account, no ads.
A Tabata round is eight rounds of twenty seconds of hard work and ten seconds of rest: four minutes in total. The rests are too short to recover fully, which is the point, and they are also too short to count reliably in your head while you are out of breath. A timer that calls every change is what makes the format usable.
One Tabata round at the end of a session.
Two to four rounds with a minute or two between, each on a different exercise.
Squats, burpees, mountain climbers: no equipment needed.
A bike or a rower, with the tones cutting through the noise.
It starts at 20 seconds of work, 10 of rest and 8 rounds. Pick a preset or change any of the three underneath the timer.
A 10-second countdown gives you time to get into position, then the first round begins with a tone.
A higher tone starts each work period and a lower one each rest, with ticks for the last three seconds. The round count shows how many are left.
A chime marks the end of the last round. Press go again to repeat the whole set.
The start-calisthenics plan is three short sessions a week with next to no equipment, and progressions that make a first pull-up a date rather than a hope. It installs in one click.
EvyOS holds the goals, projects, tasks, habits and skills the timer is in service of, and keeps the streak of the sessions you actually did.
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