From Dangun to Kim Gu and Bang Jeong-hwan, an app that focuses on the history of our people
From the historical character quiz you learned in school that you need to know with liberal arts/common sense

[A word from the developer]
Paid apps have ads removed and can be used offline (except for some features).
No data is exchanged between paid and free apps

For customers who are burdened with paid apps,
Please use the free app.

To provide quality content and maintain the server
Free apps inevitably contain a lot of ads.