Korean Flashcards TOPIK 1 is not free (it costs 34.99), 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 Korean Flashcards TOPIK 1 is 34.99.
To get estimated revenue of Korean Flashcards TOPIK 1 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.