Yes, 城市篇沙雕鹿! 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.
城市篇沙雕鹿! is free.
To get estimated revenue of 城市篇沙雕鹿! app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.