Yes, النظام الغذائي المعتاد 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.
النظام الغذائي المعتاد is free.
To get estimated revenue of النظام الغذائي المعتاد app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.