This app helps you find the subway train routes which can be used to travel from one location to another in Seoul city.
The search provides you with a list of alternative routes which can be used to travel from the source to destination station. It provides you with the number of line changes and station stops involved in each route.
You can also view the detailed station list for each subway / metro line in Seoul. You can long tap on any station name from the list to see it on maps.
The App interface is available in English and Korean languages.
This App can work completely offline.