听VOA记核心词汇1500 is not free (it costs 1.99), 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 听VOA记核心词汇1500 is 1.99.
To get estimated revenue of 听VOA记核心词汇1500 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.