Yes, 열방교회 스마트주보 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.
열방교회 스마트주보 is free.
To get estimated revenue of 열방교회 스마트주보 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.