Yes, エグザイルの着信音(Cover) 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.
エグザイルの着信音(Cover) is free.
To get estimated revenue of エグザイルの着信音(Cover) app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.