Yes, 生活单词袋着走 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.
生活单词袋着走 has several in-app purchases/subscriptions, the average in-app price is ¥18.00.
To get estimated revenue of 生活单词袋着走 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.