Chinese Flashcards HSK 4 is not free (it costs 1790.00), 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 Chinese Flashcards HSK 4 is 1790.00.
To get estimated revenue of Chinese Flashcards HSK 4 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.