The little tracker for everything.
Log anything in a tap — then see exactly how often it really happens.
Free · nothing to install · sign in with Google in one tap.
Track whatever you keep forgetting
Health, habits, money, home, parenting, cars — if it happens at a moment in time, When Was It can count it.
How it works
Zero-friction from sign-up to your first insight.
Add your things
Create a tile for anything you want to track — name it, pick a color, done.
Tap to log
One tap records it with a timestamp. Add a note or a number when it matters.
See the pattern
Instantly get cadence, weekly and monthly rates, recency and trends.
Numbers you actually wanted
Every log turns into real statistics — no spreadsheets, no setup.
Cadence & recency
“Every ~3 days” and “last: 2 hours ago,” computed automatically.
Rates over time
Per week, per month, per year — with trend sparklines at a glance.
Weekday & time patterns
See which days and hours a thing tends to happen.
Sums & averages
Attach a number — like fuel price — and get totals and averages.
Mobile-first, installable
Works in any browser and adds to your home screen. No app store.
Yours & private
Your log is tied to your account and only visible to you.
From a single tap to a clear answer
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The grid is the log screen Tap a tile and it’s recorded — no menus, no forms.
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Stats without the work Open any thing to see how often it really happens.
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Full history, always searchable Every occurrence is kept with its time and details.
Frequently asked questions
The short version.
What is When Was It?
A free web app for logging occurrences of anything you care about — coffees, migraines, fuel fill-ups, workouts, plant waterings — and seeing how often they really happen, with cadence, rates, patterns and totals.
Do I need to install an app?
No. When Was It runs in your browser and works great on mobile. You can add it to your home screen for a one-tap, app-like experience, but there’s nothing to download from an app store.
Is it free?
Yes. You can sign up and start tracking for free — register with an email or sign in with Google in one tap.
What kind of things can I track?
Anything with a moment in time: health events, habits, spending, chores, parenting and car maintenance. You can also attach numeric values — like the price of a fuel fill-up — and see totals and averages.
Start tracking in the next 30 seconds
Log your first thing today — the patterns show up on their own.
Start tracking free