Yes, 语文三年级下册 (人教版) is free to download, however it contains in-app purchases or subscription offerings.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
语文三年级下册 (人教版) has several in-app purchases/subscriptions, the average in-app price is 271.57 ₪.
To get estimated revenue of 语文三年级下册 (人教版) app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.