Yes, Lettura 1ª Classe & Fonetica 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.
Lettura 1ª Classe & Fonetica is free.
To get estimated revenue of Lettura 1ª Classe & Fonetica app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.