Interval Timer
Set work, rest and rounds — or pick a preset. You’ll hear 3-2-1 before every switch.
Free from Ticka — the reminder app that rings like an alarm, even on silent. Close this tab and the timer stops. In Ticka a workout is a daily habit — and the reminder rings even on silent. App Store → Google Play → App Store → Google Play →
The hard part isn’t the last round — it’s showing up tomorrow. In Ticka, make the workout a habit with a time: the reminder rings even with your phone on silent, and one missed day doesn’t break the streak.
Tabata, HIIT or EMOM: what the numbers change
Every interval workout is three numbers — how long you work, how long you rest, and how many times you repeat. What separates the named formats is mostly the ratio between the first two.
Tabata is 20 seconds on, 10 off, eight times: four minutes, with rest half as long as work. In Izumi Tabata’s 1996 study the 20 seconds were an all-out effort on a stationary bike; most classes that borrow the name run it gentler. More on the original in the 4-minute timer.
HIIT is the broad family. Ratios like 30/10 or 40/20 give you more work than rest, which suits bodyweight circuits; flipping it — 20 seconds on, 40 off — is how many beginners start, because the quality of each round stays high.
EMOM — every minute on the minute — has no fixed rest at all. You start a set number of reps at the top of each minute; whatever is left of the minute is your rest. Fast reps buy you a longer break. Set work to 60 and rest to 0 and this timer runs it.
Whatever you pick, the timer’s job is to make you stop thinking about the clock. That’s why the beeps are booked ahead on the page’s audio clock the moment you press start — switching to a music tab won’t make the 3-2-1 late.