nextSIM eSIM Data Plans for South Korea

nextSIM does not provide a truly unlimited data eSIM for South Korea; all plans that carry “Unlimited” in the name have a fixed high‑speed data cap of 1GB or 2GB, after which the speed drops to 512kbps or 2000kbps. Travelers who need more data can instead choose from the fixed‑data plans that offer higher allowances, such as the 100GB 30Days Standard for $148.92 or the 50GB 30Days Standard for $84.09. Fixed‑data plans can be more cost effective for users who anticipate high data usage.

nextSIM does not provide South Korea eSIMs that include a phone number or SMS capability. The plans it offers for South Korea are data‑only, so travelers will not receive a local South Korean number with voice or text services.

Customers who need phone or text functionality can use VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection, but this may depend on local restrictions. It is advisable to confirm that the specific apps you rely on are accessible in South Korea before purchasing an eSIM from nextSIM.

nextSIM offers 35 single‑country data plans and 65 multi‑country plans for South Korea. The available plans range in price from $3.85 to $1, 256.41 and carry data caps between 1 GB and 100 GB. Single‑country plans usually provide a fixed data amount, while multi‑country plans may include daily data‑cap options to accommodate varying travel lengths.