Yes, 아 - 원 붐 T 도트 탁구 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.
아 - 원 붐 T 도트 탁구 is free.
To get estimated revenue of 아 - 원 붐 T 도트 탁구 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.