Best Korea SIM card for tourists: eSIM vs physical SIM comparison

You need data in Korea. Here are your options: eSIM (recommended for most): - Buy before arrival on Airalo, Klook, or KKday - Data-only: ₩15,000-25,000 for 5-10 days - Instant activation, no phone number - Works if your phone supports eSIM Physical SIM: - Buy at airport (KT, SKT, LGU+ booths) - ₩30,000-50,000 for 5-30 days - Includes Korean phone number (needed for some apps) - Need passport Portable WiFi router: - Rent at airport: ₩3,000-5,000/day - Share with travel group - Heavy to carry, needs charging - Return at airport Free WiFi: - Available on all subway trains, stations, most cafes - 'Seoul WiFi' and 'Korea Free WiFi' are city-operated My pick: eSIM for solo travelers, physical SIM if you need a Korean number for apps.