Double Tabata — 16 Rounds
16 rounds · 20s / 10s · 8 min. Runs in the browser with color-coded phases and beeps; the screen stays on. Free, no sign-up.
Get Ready
0:10
Next: Work · 0:20
8:10 left
Palette
Space start / pause R reset M mute F fullscreen
How it works
Two Tabata blocks back to back — sixteen rounds of 20/10 for eight minutes. Alternate two movements every four minutes to spread the load.
- 20s work / 10s rest
- 16 rounds (8 minutes)
- Swap movements at the halfway mark
Work
20s
Rest
10s
Rounds
16
Total
8 min
Guide: How long is a Tabata?
Pulse for iPhone and Apple Watch
The same kind of timer as an app. Free download; Pulse Pro is $3.99 once. No subscription, no ads.
168 palettes8 free, all 168 with Pro.
Apple WatchSaved interval timers run on the watch, with a haptic at each transition.
Live ActivityThe countdown shows on the Lock Screen and in the Dynamic Island.
Saved timers3 free, unlimited with Pro. Flow sessions, labels and history.
Related timers
20-Minute Tabata Workout
5 Tabata blocks · 20s / 10s · ~20 min
Tabata Timer
8 rounds · 20s work / 10s rest · 4 min
4-Minute Tabata Timer
8 rounds · 20s / 10s · 4 min
Tabata Timer — 6 Rounds
6 rounds · 20s / 10s · 3 min
HIIT Timer
10 rounds · 30s work / 30s rest · 10m
EMOM Timer — 5 Minutes
5 rounds · 60s window · 5 min