01iOS · Korean learning
Kordly
A Korean vocabulary app built around word cards, spaced repetition and contextual practice for TOPIK learners.
App Store↗
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PORTFOLIO · 2024—2026Independent Developer
Turning interestsinto products
Hi, I’m YU YI.I build things I wish existed.An independent creator exploring apps, websites, AI, and digital experiences.
Explore six projects↓04APPS ON THE STORE
02LIVE WEBSITES
∞MORE IN MOTION
Things You Can Download
Apps that live on your devices.
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02iOS · Korean reading
韩读
Read Korean PDFs, EPUBs and web pages with tap-to-lookup, AI translation and grammar analysis.
App Store↗
03iOS · Photo & video
FanFrame
Browse video frame by frame, export full-resolution stills and turn selected moments into Live Photos.
App Store↗
04iOS · Education
课迹
A classroom recorder that keeps audio, timestamped markers, courses and written notes together.
App Store↗
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Things You Can Visit
Websites, tools, and digital spaces.
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05WEB · Prompt generator
ASKGUA
A structured prompt generator for four traditional Chinese divination systems, designed to clarify complex inputs.
Visit website↗
06WEB · Interactive experiment
FINGERTYPE
A multilingual hand-tracking experiment where 42 landmarks trigger sound, freeze-frames and animated scenes.
Visit website↗
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PROFILE
Interest starts it. Finishing defines it.
I focus on language learning, imagery and interaction, and I use development to validate my ideas. Each project here started from a specific need and became a product that real users can visit or download.
- 01Find a problem through curiosity↓
- 02Define features and user journeys↓
- 03Design and develop independently↓
- 04Ship, observe and iterate●