Small iOS apps. Indie games. From one person, in Seoul.
Made one at a time, by hand.
A one-person indie studio.
I make games that make you smile β and apps that make your day a little easier.
10M+ downloads Β· 4.8β
average Β· 180K+ reviews
Google Play Editors' Choice Β· MobileSyrup Game of the Week (10/10)
"This game is super addicting..." β Aptaelstrom
"Absolutely adorable!" β simplyxbreathe
"The art style is surprisingly relaxing." β MobileSyrup
Apps
Useful things for everyday life. iOS and Apple Watch.
ThanYesterday β Is today warmer than yesterday?
Your weather app that speaks in comparisons, not just numbers. Morning & evening smart alerts, Bauhaus-style weather icons, multi-city support, and home screen widgets.
PinClip β Save shorts and reels. Organize later.
The dedicated bookmark app for YouTube Shorts, Instagram Reels, and TikTok. Share Extension, auto-thumbnails, folders, iCloud sync, and home screen widgets.
Sidefeed β New videos, not the same ones.
Category-first YouTube discovery across 12 countries. No Google login, no tracking β just new videos for a feed that doesn't loop.
Talk Memo β Catch the moment, before it's gone.
One tap on the Apple Watch starts recording. On-device transcription, direct send to Notion, Bear, or Obsidian. One-time $4.99.
Honest Camera β One shutter. That's it.
A toddler's first camera. No mode switching, no zoom, no gallery. Zero tracking, ads, or third-party SDKs. One-time $1.99.
SwitchBoard β Monitor all your Claude Code sessions from the menu bar
See what each session is doing in real time. Notifications via macOS, Slack, Discord, or Telegram. Free & open source.
More apps coming soon... stay tuned!
Games
10M+ downloads. 4.8β
. Google Play Editors' Choice. MobileSyrup Game of the Week. Indie cat games, made with love.
Cats are Cute: Cat Town Idle β A Relaxing Cat-Collecting Game
10M+ downloads Β· 4.8β
Β· Google Play Editors' Choice Β· MobileSyrup Game of the Week (10/10). Build a town for the world's cutest cats.
Cats are Cute: Pop Time! β Drop, Merge, Pop, and Relax
A casual puzzle where cats drop, merge, and pop. Endlessly satisfying, weirdly meditative.
James Summer β Exciting Waterslide Jump Game
James, but summer. Jump down endless waterslides into the bluest blue.
James Spring β Hide and Seek Running Game
James in springtime. A hide-and-seek runner with cherry blossoms and lots of running.
More games in development β Snap with Cats, Hotdog Combo, Palette 2048.
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Writing
Blog β Stories behind the apps, design and engineering notes, occasional retrospectives.
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2026 kkiruk studio. All Rights Reserved.