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