Pretty Good. Very Useful

Since Google Maps hasnt updated since 2009 in South Korea, you better download this one. Although its only in Korean, you can get by it with basic Korean. I mean some may complain that there isnt an English version but this is a Korean app for maps in South Korea. Might as well learn some Korean if you are visiting the country.

Grecieflo about NAVER Map, Navigation, v4.1.7