Capture the little moments that make huge memories.
Cat Diary is a simple, private place to snap one photo a day, add a mood, and watch your cat's story build itself — sleepy mornings, zoomies, dramatic poses and all.
Free to use · Cat Diary Pro optional · iPhone

Snap or pick
Take a photo in the app or choose one from your library — even several for the same day.
Moods & notes
Tag each picture smug, loaf-like, energetic, melted, or ready to be fed. Add a line about it.
Streaks
A gentle daily streak keeps you snapping, without turning it into another chore.
Wall of cat
Every day, neatly organised by date, in a scrollable wall of your cat's best faces.
Your cat's everyday moments deserve more than getting lost in your camera roll.
Here's what a year inside Cat Diary actually looks like.
One photo a day, automatically organised
Snap from the app or add from your library. Cat Diary files each photo by date and builds a wall of memories you can scroll through any time.
- Take a new picture directly in the app
- Add multiple photos for the same day
- Browse each day in a smooth carousel
- A daily streak that keeps it fun

Weekly reels of your cat's best moments
Upgrade to Cat Diary Pro and the photos you already save turn into private weekly highlight reels — with smooth transitions, music and animated notes.
- Automatically generated weekly reels
- Music and animated notes
- Full-quality reel playback
- Notifications when a new reel is ready

Your memories, waiting whenever you sign in
Create an account to securely sync your photos, notes and moods. Sign in with Google, Apple or email and pick up your diary right where you left it.
- Continue with Google or Apple
- Secure sync of photos, notes and moods
- Private by default — just for you

Start capturing your cutie pie's story today.
Look back at individual days, follow your photo streak, revisit favourite expressions, and watch everyday memories become a story you can treasure.
The core Cat Diary experience remains free. Cat Diary Pro is an optional auto-renewing subscription. Payment is charged to your App Store account after confirmation. Subscriptions can be managed or canceled from your Store account settings.