Yes, 跟读听写牛津译林版三起点小学英语4下 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.
跟读听写牛津译林版三起点小学英语4下 is free.
To get estimated revenue of 跟读听写牛津译林版三起点小学英语4下 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.