Hi everyone!

I’m finalizing my itinerary for a 2-week trip across Korea this autumn (visiting Seoul and Busan), and I have a quick question regarding daily transit and getting around:

1. Transit Cards & Passes: I heard about the Climate Card (기후동행카드) and the traditional T-Money card. For someone staying about two weeks and planning to use both subways and buses frequently, which transit option is the most convenient and cost-effective for foreign visitors?

2. Navigation Apps: Since Google Maps doesn’t always give accurate walking or transit routes in Korea, should I rely on Naver Map or KakaoMap? Which one is easier to use in English?

I'd really appreciate any tips or recent experiences from locals or frequent travelers. Thank you so much in advance! 😊