Yes, Korean is completely free and it doesn't have any in-app purchases or subscriptions.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
Korean is free.
To get estimated revenue of Korean app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
Chart
|
Category
|
Rank
|
---|---|---|
Top Free
|
|
359
|
Top Free
|
|
465
|