Yes, 诗云-品味中国古诗 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.
诗云-品味中国古诗 is free.
To get estimated revenue of 诗云-品味中国古诗 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.