Plank Challenge Timer
20s → 60s ladder · 5 holds. Runs in the browser with color-coded phases and beeps; the screen stays on. Free, no sign-up.
Get Ready
0:05
Next: Hold 1 · 0:20
4:25 left
Palette
Space start / pause R reset M mute F fullscreen
How it works
A five-step plank ladder: 20, 30, 40, 50, then 60 seconds, with 15 seconds of rest between holds. A structured way to build toward a longer plank.
- Holds of 20 / 30 / 40 / 50 / 60 seconds
- 15 seconds rest between each
- Drop to knees if form breaks, then rebuild
Holds
5
Range
20–60s
Rest
15s
Peak
60s
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.
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