Ohayu eSIM Data Plans for South Korea

Ohayu offers several unlimited data eSIM plans for South Korea. The available options include South Korea Unlimited 5 days, South Korea Unlimited 10 days, South Korea Unlimited 15 days, South Korea Unlimited 30 days and an Unlimited Monthly Trial. Each plan has a data cap of Unlimited, meaning there is no hard limit on the amount of data that can be used within the validity period.

All unlimited plans allow tethering and state that speeds may be throttled after heavy use; the maximum speed is limited to 1 000 kbps. Prices range from $17.99 for the 5‑day plan up to $58.99 for the 30‑day plan, while the unlimited monthly trial costs $39.99 and renews automatically each month. Because the plans are unlimited, there is no fixed data cap, but a Fair Usage Policy applies and excessive usage may result in reduced speeds.

No, Ohayu does not provide a South Korea eSIM that includes a phone number or SMS capability. Only data‑only plans are available from this provider for the South Korea destination. Travelers who need voice or text communication can use VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection. However, some destinations may block or restrict access to specific apps, so it is advisable to verify the availability of those services in South Korea before purchasing the eSIM.

Ohayu presents a portfolio of 10 single‑country plans and 4 multi‑country plans for South Korea, with prices shifting from about $8.49 to $66.79 and data limits ranging from 2 GB to unlimited. These offerings include various data structures, some providing a fixed data amount while others may operate on a daily data cap, allowing travelers to choose a plan that fits their usage needs.