Trinsmo
The notebook for the night
$7.99 · Designed for iPad. Not verified for macOS.
For the nights your head will not stop. Write the worries down, let the page fold over them, and fall asleep on what went right today.
It's 11pm and your head will not stop.
The test, the call you forgot to make, the thing you said at lunch. Everyone knows those nights. In our family we found an old trick for them: write the worries down and close the book on them. Not to fix them. Just so the paper holds them until morning, and your head doesn't have to.
Trinsmo is that trick, made into a notebook.
Each evening it offers two short pages. On the first you write what's worrying you, one line each, and one is enough. Then the pencil underlines your words, the page folds over them, and the notebook holds them until morning. On the second page you write the strengths you used today. Being patient in the car counts. Trying again counts. That's the page you fall asleep on.
In the morning, the notebook offers the folded page back. Open it when you want, and mark the worries that already passed. Most of them do. After a while the notebook can show you the truest thing it knows: most of what it has held never happened.
Here is what makes it different: nothing pushes. No streaks, no scores, no reminders, nothing overdue. Miss a night, miss a month, and it opens the same way every time, like a real notebook would.
The small stuff we obsessed over:
- The fold. A pencil, paper sounds, and a soft thump you can feel when the cover closes.
- A list of strengths to borrow when the words will not come. Tap one and the sentence starts for you.
- The day's list, for small daytime steps. Color-coded however you like, with a green check that feels good, and nothing that nags or expires.
- A pencil that whispers while you type, and an eraser when you take something back. The silent switch hushes it all.
- Works for kids at bedtime and grown-ups at midnight. Reading it aloud together is kind of the point.
Your words stay yours. Everything lives on your device, iCloud syncs it between your own devices, and there is no account, no ads, no tracking, ever. You buy it once and it's yours.
The idea comes from huolihetki, a Finnish practice of giving worries a set time and place, and from older traditions that give worries somewhere else to sleep, from worry dolls to the boxes children decorate with their parents.
We're a family. We built this because we needed it. We hope it helps your nights too.
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The developer, Michael Durkin-Sztukowski, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Michael Durkin-Sztukowski
- Size
- 1.1 MB
- Category
- Lifestyle
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - iPad
Requires iPadOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Trinsmo
