"Let's study pure Korean for 100 days!"

We developed a 100-day vocabulary problem as an app in relation to corporate job aptitude tests or civil service exams.


The source of the material is a collection of pure Korean vocabulary materials licensed by the National Institute of the Korean Language.


A total of 500 excerpts from the Korean language you should know.
Learn Korean by solving 5 problems a day.

"The ability to review the wrong problem again"
If you click the wrong button, you can solve the wrong problem again.

"Powerful search function"
If you enter 2 or more characters, the search is performed immediately.


"The history of my study is saved as statistical data."
The number of studies, scores, etc. are displayed as statistics.


"Commentary Net Korean Commentary"
As soon as it is included in the number of times I have met or studied, you can see the commentary immediately.