Travel apps

Google Maps has no walking or transit routing in Korea: it simply will not give you a route.
Naver is the default locals trust for the right subway exit and live bus arrivals.

Same job as Naver, sometimes better English place search.
Pick one and learn it; many locals keep both.

Korea's Uber.
English UI, card on file, metered fare, a record of the trip, far safer than flagging an unmarked car at the curb.

Clean offline subway map with route + time + first/last train.
Korail (Let’s Korail) covers KTX intercity tickets.

Naver’s translator beats Google on Korean.
Point the camera at a sign or menu for instant AR translation, with no usage cap.

Attraction tickets, transport passes and eSIMs across Asia, usually cheaper than buying at the gate.

Experiences and day trips built for foreign visitors: DMZ runs, theme parks, photo tours.

Creatrip books foreigner-friendly restaurants and salons with discounts; Visit Seoul is the city’s official events and attractions app.