Yes, 小学语文一年级上册练习题 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.
小学语文一年级上册练习题 is free.
To get estimated revenue of 小学语文一年级上册练习题 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.