Indie Mobile Developer & Creator of Yichen Studio
Crafting tactile, local-first, and aesthetic apps for iOS, macOS, Android & Web.
Jizhi — Classical poetry painted with traditional colors & solar terms. — Web | iOS | Android
KaChiKa — Visual AI photo flashcards & spaced-repetition language learning. — Web | iOS | Android
CocoCut — 1s daily vlog & video diary stitched on device. — Web | iOS | Android
Kosaku — Turn links & notes into magazine-grade cards (App Store Editor's Choice). — Web | iOS | Android
Yan — Digital chaos engine & cyberpunk CRT scanline editor. — Web | iOS | Android
LazySea FM — Tidal white noise & ocean healing soundscapes. — iOS
Cleaner For Flutter — One-click cleanup for Mac disk space freed from Flutter build caches. — macOS
Score — Tactile multiplayer scoreboard for board & card games. — iOS
- Philosophy: Local-First · Zero Dark Patterns · Offline-Ready · Privacy-First.
- Stack: Flutter, Dart, Kotlin, Swift, Jetpack Compose, SwiftUI.
- Craft: Typography & CJK text rendering, bespoke palettes, tactile micro-interactions.





