Yes, 貨物列車司機:在山上運送動物 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.
貨物列車司機:在山上運送動物 is free.
To get estimated revenue of 貨物列車司機:在山上運送動物 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.