不好
没有指哪读哪!
棒棒糖英语 is not free (it costs 4.99), 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 棒棒糖英语 is 4.99.
To get estimated revenue of 棒棒糖英语 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.