Yes, 曼陀罗着色书籍色彩疗法成人 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.
曼陀罗着色书籍色彩疗法成人 is free.
To get estimated revenue of 曼陀罗着色书籍色彩疗法成人 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.