nextSIM eSIM Data Plans for South Korea

nextSIM does not provide a truly unlimited high‑speed data eSIM for South Korea. All plans listed for the country include a data cap, even those labeled “Unlimited”; these plans give a fixed amount of high‑speed data – currently 1GB or 2GB – before the speed drops to a reduced rate of 512kbps or 2000kbps.

Travelers who need more data can choose from fixed‑data plans instead. For example, nextSIM offers a 50GB 30days Standard plan priced at $109.38 USD and a 100GB 30days Standard plan at $185.48 USD. These plans allow the entire data allowance to be used at full speed, making them a more economical option for users with heavy data needs.

nextSIM does not provide a South Korea eSIM plan that includes a phone number or SMS capability.
Only data‑only eSIM plans are offered for South Korea, and travelers can use VoIP applications such as WhatsApp, Telegram, and iMessage over a data connection to make calls and send messages.

NextSIM offers 30 single‑country data plans that are valid for up to 30 days and 69 multi‑country plans that can be used in several destinations, including South Korea. The available plans range in price from $3.76 to $1, 264.89 and in data contained from 1 GB to 100 GB. Among these, 38 plans provide daily data caps that reset each day, while 61 plans offer fixed data caps that remain for the entire validity period. A small number of plans also give the possibility of reduced speeds, such as 512 kbps or 2000 kbps, to meet different usage needs.