小学诗词75首 is not free (it costs 9.00), however it doesn't contain in-app purchases or subscriptions.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
The price of 小学诗词75首 is 9.00.
To get estimated revenue of 小学诗词75首 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.