Yes, 陌颜-同城聊天交友 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.
陌颜-同城聊天交友 is free.
To get estimated revenue of 陌颜-同城聊天交友 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.