Yes, 首尔地铁 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.
首尔地铁 is free.
To get estimated revenue of 首尔地铁 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
4.67 out of 5
3 ratings in South Korea