trifa does not offer an unlimited data eSIM plan for South Korea. Travelers can select from several fixed data options, such as the 100GB plan available for 3, 5, 7, 10, or 15 days with prices ranging from $18.54 USD to $74.83 USD. These plans include tethering and provide a defined amount of high‑speed data. Choosing a fixed data plan can be more cost‑effective unless a user needs an extremely high volume of data that would be covered by an unlimited plan.