Yes, 小红薯-自媒体工具 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.
小红薯-自媒体工具 has several in-app purchases/subscriptions, the average in-app price is USD 14.74.
To get estimated revenue of 小红薯-自媒体工具 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.