NanoTimer
App Store

25 minute timer

A free 25-minute timer you start right in your browser. It counts down from 25:00 and signals when time is up. Great for a classic pomodoro work block.

25:00
RingBar
Presets

Take it with you in the app

This tool runs in your browser. Want it on your phone, with voice cues, background timing and a real alarm? Open the same tool in NanoTimer.

Open on your phoneOpens NanoTimer on your iPhone and starts right away.
Download on theApp StoreLink coming soon

How it works

  1. The timer is already set to 25 minute.
  2. Tap Start. The ring or bar tracks the time.
  3. At zero a signal sounds, plus a notification if you allow one.
  4. Want a different time? Pick a preset or set your own minutes.

Frequently asked questions

Does the 25 minute timer work if I switch tabs?
Yes, timing is anchored to a real moment and stays correct. Keep the tab open so the sound can play.
Can I change the time?
Yes. Pick one of the presets or type your own minutes; the timer then counts down from that time.
What do I use a 25 minute timer for?
For example a classic pomodoro work block. For a timer that keeps running on your phone with voice cues, open NanoTimer with the button above.

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