gosimless eSIM Data Plans for Japan

gosimless does not provide an unlimited data eSIM plan for Japan. All of its Japan‑specific offerings have a hard data cap that must be used within a set validity period.

Travelers who need a large amount of data can choose from gosimless fixed data plans such as the 50GB plan valid for 30 days, the 50GB plan valid for 180 days, or the 20GB plan valid for 30 days. These plans give a clear data allowance and a defined validity window, which can be more cost‑effective for most users unless they are extremely heavy data consumers.

gosimless does not provide a Japan eSIM that includes a phone number or SMS capability. The provider offers only data‑only plans for Japan. Travelers who need voice or text services can use VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection, but they should verify that these services are accessible in Japan before purchasing.

gosimless currently offers 15 single‑country data plans and 14 multi‑country plans for travelers in Japan. The available plans vary between a fixed data amount and a daily data cap, allowing users to choose either a set data bundle for the entire validity period or a daily allocation that adds up over the plan’s duration. Across all offerings, prices range from $3.49 to $116.49 USD, while data cap options span from 100 MB up to 50 GB for the longest‑lasting plans.