Yes, 英语怪兽:学习英语语法和语言 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.
英语怪兽:学习英语语法和语言 is free.
To get estimated revenue of 英语怪兽:学习英语语法和语言 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
1 out of 5
1 ratings in China