ZenSim eSIM Data Plans for South Korea

ZenSim does not provide a truly unlimited data eSIM for South Korea. All of its available plans specify a data cap, such as 3 GB per day on plans titled “Unlimited” or 20 GB/30 days and 40 GB/30 days on other offerings. A plan that includes “Unlimited” in its name still limits high‑speed data to 3 GB per day; once that threshold is reached the speed is reduced, not sustained without limitation. Choosing a fixed‑data plan can be more cost effective, especially for travelers who need considerable data, and examples from the catalog include the 40 GB 30‑day plan priced at $56.00 USD and the 20 GB 30‑day plan priced at $30.00 USD.

ZenSim does not provide a South Korea eSIM that includes a phone number or SMS capability. The only South Korea eSIMs offered by ZenSim are data‑only plans. Travelers who need voice or text can use VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection.

ZenSim lists 13 single‑country data plans that cover South Korea, and an additional 13 multi‑country data plans that include South Korea. The single‑country plans range from roughly $5 to $70 and offer data caps between 1 GB and 40 GB, while the multi‑country plans have a comparable price and data range. Plans are available both as fixed data amounts and as daily data caps, and most of them allow tethering.