Web app · Health And Fitness
LaborClock
Time contractions in your browser — and never lose one
One big button: tap when a contraction starts, tap when it ends. Every tap is written to this browser the instant it happens, the 5-1-1 check tells you in plain language when it may be time to call your provider, and editing a mistimed entry is free. No ads, no account, no rating prompt mid-contraction.
Stored in your browser only. Nothing you do in the web version is sent to our servers. Clear your browser data and it's gone — so export a backup from the in-app menu if you want to keep it.
In your browser
What you can do in LaborClock on the web
Tap to time, saved instantly
The whole timer is one button. Length and the gap since the last contraction are written the moment you stop, so a refresh or a closed tab loses nothing.
The 5-1-1 check, spelled out
Three plain lines — about 5 minutes apart, about 1 minute long, for 1 hour — each ticking green as your pattern meets it, with a calm banner when all three do.
Editing is free, always
Tap any contraction to fix its date, start time or length; the gaps on either side are recalculated for you. Delete one, or add one you timed by hand.
A read-out for triage
Average length, average gap, longest contraction, the qualifying run, a length-over-time line and a minutes-apart bar chart — copy the whole summary as one sentence to read to the nurse.
Works with the signal off
No network connection is ever opened. Export a CSV of the run or a full JSON backup whenever you want.
Screens
Every screen, rebuilt for the browser
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1
Timer
The big tap button, last-hour averages and the live 5-1-1 check.
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2
History
Every contraction, newest first, grouped by day with its length and the gap before it.
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3
Edit a contraction
Fix the date, start time or length of one entry and see the contractions either side of it.
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4
Summary
Session averages, the qualifying run, length over time and minutes apart.
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5
Settings
Sound cue, the 5-1-1 banner, CSV export, backup, sample data and erase.
Try it with sample data: Loads a realistic early-labour run — 25 contractions over about two and a half hours, gaps tightening from 10 to 5 minutes and lengths growing from 35 to 75 seconds, ending in a qualifying 5-1-1 pattern. You can start fresh at any time.
Ready? It's free.
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Questions
Is the web version of LaborClock free?+
Yes. Sign in with a free All Things AI account and use every screen — no subscription, no in-app purchases.
Where is my data stored?+
Only in this browser's local storage. Nothing you enter is sent to our servers, so we can't see it, back it up, or restore it. Clearing site data, a private window, or another device starts empty. Export a backup from the in-app menu to keep it.
Do I need an account?+
You can read about the app without one, but you must sign in to open it. Sign-in is free and takes a few seconds with Google.
How is the web version different from the LaborClock iPhone app?+
There is no lock-screen Live Activity or Dynamic Island on the web — the running contraction is only visible while this tab is open, and the clock is driven by the tab, so it pauses if the browser suspends the page. No haptic buzz on start and stop; the web version offers an optional sound cue instead. Data is saved in this browser only — clearing site data or switching device starts empty, so export a backup if you want to keep the run.