The funny word. The sleepy question. The ordinary Tuesday. Write down one real moment about your child — in about thirty seconds — before it slips away.
Free to start · no account needed · your memories stay yours
The things you swear you'll remember
They fade so quietly you miss the last time. One little line today keeps it — exactly the way they said it.
How it works
No blank pages, no catching up, no guilt. Just the one thing you don't want to lose today.
Type a line, or dictate it while you tidy up. A sentence is plenty — it only takes a few seconds.
Photo added
Snap the moment or pick one from your camera roll. Optional, never required.
It's saved to a private, growing timeline. Back to your day, with the memory kept.
A peek inside
Waved at the moon like it came to see her.
Asked if clouds get tired.
Called every bird a tiny airplane.
Fell asleep mid-laugh.
The keepsake
Every month, the tiny moments you saved are gathered into a keepsake letter — in their words and yours. The part you'll want to read again in ten years.
This was the month you called every bird a tiny airplane, waved at the moon, and asked if clouds get tired. You were two, and the world was very big and very kind.
The small stuff is the whole story.
Look back
Every line gathers into a private timeline and calendar — with how old they were in each one. And now and then, a memory from a year ago quietly finds you again.
She waved at the moon like it came to see her.
Called every bird a tiny airplane.
Fell asleep mid-laugh.
This week together · you 3, Grandma 2
Write it together
Invite a partner or a grandparent to keep memories for the same child — each in their own words. You'll see who kept what, and the little moments add up from everyone at once.
Yours, always
Your memories are yours. No ads, no selling data. Stored securely in the EU.
Everything you've written stays readable — subscribed or not.
Take your memories and monthly letters with you whenever you want.
No streaks to protect, no guilt. Just one gentle line a day.
We built One Little Line for our daughter, Eva — because the tiny moments were slipping away faster than we could hold onto them. It's the app we wished we'd had from day one.
Start today
Free to start, no account needed. The moment's already happening — write it down before it blurs.
Questions
Yes. Your memories are yours — no ads, no data selling. Everything is stored securely in the EU.
Everything you've already written stays readable and exportable, forever. A subscription only unlocks keeping new memories after your free days.
Available now on iPhone. Android is in testing and coming very soon.
Yes — invite a partner or a grandparent to keep memories for the same child, each in their own voice.
They're created from your own little lines to become a keepsake you can read later — and it's always described transparently in the app.