Mobile KSI – The Official All-in-One Learning App

Vocabulary, grammar, conversation – now all in one app!
Learn Korean more easily and efficiently with the official integrated learning app.

✅ Full KSI Korean Curriculum in One App
Access the complete Korean language curriculum of KSI.
From beginner to advanced, follow a structured path to improve your Korean step by step.

?️ Speaking & ✍️ Writing Skills Improvement
Boost your speaking and writing skills with smart tools:

AI-powered speaking evaluation
Handwriting recognition for writing practice
Practice real-life communication and track your progress.

? Personalized Learning Just for You
Collect and manage the words, grammar points, and exercises you've studied.
Review what you need and build your own study materials for efficient learning.

? Study Anytime, Anywhere – Even Offline
Once you download the learning content, you can use the app offline.
Study freely, wherever you are – without needing the internet.

Download Sejong Korean now and start your journey to mastering Korean, anytime, anywhere!