Yes, دیکشنری انگلیسی به فارسی 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.
دیکشنری انگلیسی به فارسی is free.
To get estimated revenue of دیکشنری انگلیسی به فارسی app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.