Apps & Projects.

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

Built for iPhone

iOS apps

6 apps

Palabrita

iOS

Build lasting Spanish vocabulary through real sentences and smart review.

Language learning

Beenstamp

iOS Web

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

Travel

Fitness Slayer

iOS

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

Health & fitness

Inferno Poker Defence

iOS

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

Strategy game

Roamline

iOS

Turn your photo journeys into a cinematic travel story, privately on your iPhone.

Travel

BorderClock

iOS

Keep your travel history and visa-day planning together in one private iPhone app.

Travel

Open in your browser

Web tools & projects

3 projects
Hand-painted evening cityscape connected by a coral travel route

City Trip Planner

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

Travel
Tensu Dojo score calculation interface

🀄 Tensu Dojo

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

Game
Tools Hub directory interface

🛠️ Tools Hub

A handy collection of everyday utility tools in one place.

Utility