kkiruk studio is a one-person indie studio based in Seoul, established in 2016, that develops a variety of small apps and mobile games. The studio is known for creating tools and entertainment experiences designed for daily use, ranging from casual and puzzle games to utility applications and digital stickers. Its projects have collectively achieved over 10 million downloads and have been featured on both the App Store and Google Play, with some titles receiving industry recognition such as App Store Featured status, Google Play Editors' Choice, and inclusion in the Google Play Indie Game Festival Top 20.
Among its notable games, 'Cats are Cute' is a mobile title available on iOS and Android, where players collect cats and build a small village, and has been operated by the studio since 2018. ', is a puzzle game for iOS and Android that involves merging falling cats in a style similar to the popular watermelon game, offering four modes and eleven evolution stages. The studio also develops creative puzzle games like 'Palette 2048', which replaces numbers with colors inspired by famous artworks, and has upcoming titles such as 'Song 2048' and 'Quote 2048' that incorporate music and daily quotes into the 2048 puzzle format. Other earlier works include 'James Spring' and 'James Summer', which are runner and arcade games released in 2016.
kkiruk studio also produces utility apps for iOS and, in some cases, macOS and Apple Watch. These include 'Than Yesterday', a weather app that compares today's temperature to yesterday's; 'PinClip', an app for organizing bookmarks from Instagram and YouTube; 'Sidefeed', a research tool for creators to track trending YouTube videos across 12 countries; 'Talk Memo', which allows voice memos on Apple Watch to be transcribed to iPhone with integrations for Notion and Obsidian; and 'Honest Camera', a simplified camera app for children. Additional apps address travel, home maintenance, running journals with AI coaching, breathing reminders, and train trip logging in Japan.
The studio also offers digital sticker packs for messaging platforms like LINE, featuring original characters from its games and targeting various audiences, including Japanese and Taiwanese users. Physical goods based on game characters are available through official channels. All apps and games are developed and operated solely by the studio's founder, emphasizing direct user engagement and a personal approach to app creation.
kkiruk studio is a Games product. It provides a variety of casual and puzzle games, as well as utility apps, for daily entertainment and convenience. kkiruk studio is a consumer product aimed at casual mobile gamers and app users. kkiruk studio follows a freemium model. kkiruk studio is available on the web and iOS.
Behind kkiruk studio is kkiruk studio, based in South Korea, and the product first shipped in 2026. The project is developed in the open on GitHub with 20 commits in the last 90 days. Across PulseGate's embedding index, kkiruk studio has few near neighbours, marking it as relatively distinct. Among its 5 catalogued features are casual games, puzzle games, and weather app. The interface is available in 4 languages, including English, Japanese, and Korean.
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