Yes, Temel İngilizce Konuşma is completely free and it doesn't have any in-app purchases or subscriptions.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
Temel İngilizce Konuşma is free.
To get estimated revenue of Temel İngilizce Konuşma app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.