90/30 Ultradian Focus Timer
3× 90m focus / 30m break. Runs in the browser with color-coded phases and beeps; the screen stays on. Free, no sign-up.
Focus
90:00
Cycle 1 / 3
Next: Break · 30:00
360:00 left
Palette
Space start / pause R reset M mute F fullscreen
How it works
Ninety-minute focus blocks with 30-minute breaks, three cycles. Often called an ultradian schedule.
- 90 minutes of single-task focus
- 30-minute break
- Repeat for 3 cycles
- Stop after the last cycle or loop again
Focus
90m
Break
30m
Cycles
3
Total
~360 min
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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