Yes, 한글 영어 따라쓰기 is free to download, however it contains in-app purchases or subscription offerings.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
한글 영어 따라쓰기 has several in-app purchases/subscriptions, the average in-app price is €3.99.
To get estimated revenue of 한글 영어 따라쓰기 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.