Yes, 魔界公主魔玲玲 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.
魔界公主魔玲玲 is free.
To get estimated revenue of 魔界公主魔玲玲 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.