Yes, 挖错网-文档信息审核校对&识别错字 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.
挖错网-文档信息审核校对&识别错字 has several in-app purchases/subscriptions, the average in-app price is €10.86.
To get estimated revenue of 挖错网-文档信息审核校对&识别错字 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.