

Independent software house
CatBrains
Purr-fection in balance. Quiet elegance of every move.
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Inside CatBrains
What goes into every app.
Native
Rooted in the platform.
Built natively for Apple platforms, never a port or an afterthought. Every app feels fast, smooth, and genuinely at home on your device.
Native first, nothing less
Design
Made to feel calm.
Quiet elegance over noise. When nothing distracts, everything shines. Clean surfaces, considered motion, and not a single dark pattern to trip you up.
Pure, not plain
Trust
Earned, tap by tap.
Every tap is a promise. We ship modestly and often, fix what matters, and leave the best feature as the one we had the courage not to add.
If you have to think about us, we’ve lost

Every tap is a promise. No dark patterns.
CatBrains Rules
Daily Photo Journal
Sonnets
One Day. One Photo. One Note.
Now availableSonnets turns your calendar into a daily photo journal. Each day's cell waits for one photograph and a short note, and watching a month slowly fill in becomes its own quiet ritual. Everything stays on your device. No accounts, no uploads, no tracking. Just a small, private place for the days you want to remember.
LatelyBuilt,
Built,
quietly.
The apps we keep coming back to. Small, sharp, and built to last.
TeamFew of us.
Few of us.
Lots of care.
Stretched, scratched, and shipped with care.
Get started
Start small.
Stay sharp.
A handful of focused apps. Start with one, keep what earns its place.








