Yes, EasyNote-手写笔记 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.
EasyNote-手写笔记 has several in-app purchases/subscriptions, the average in-app price is CHF 3.00.
To get estimated revenue of EasyNote-手写笔记 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.