Apps & Projects.

A collection of apps and useful web tools designed and built by Yangwon Lee.

Built for iPhone

iOS apps

5 apps

iOS

Build lasting Spanish vocabulary through real sentences and smart review.

Language learning

iOS Web

Stamp the countries you have visited and turn your travels into a personal map.

Travel

iOS

Turn quick workouts into RPG battles with quests, bosses and rewards.

Health & fitness

iOS

Build poker hands into specialised towers and defend through the final wave.

Strategy game

iOS Pilot

Track travel days, visa allowances and upcoming trips privately on your iPhone.

Travel planning

Open in your browser

3 projects

Discover worthwhile places, save favourites and organise a city trip around your own dates.

Mahjong score calculation drill to sharpen your hand-reading speed.

A handy collection of everyday utility tools in one place.