Roamix eSIM Data Plans for Japan

Roamix does not provide an unlimited data eSIM plan for Japan. All of the listed plans have a hard data cap, such as 50GB for 30 days or 20GB for 30 days, and there is no plan marked as unlimited. Travelers looking for high data volumes can choose from Roamix’s fixed plans that offer larger allowances, for example the 50GB plan valid for 30 days or the 50GB plan valid for 180 days. These fixed data plans may offer better cost efficiency for most users, unless a traveler expects to use more data than the cap before the validity period ends.

Roamix does not offer eSIM plans for Japan that include a phone number or SMS capability. The provider sells only data‑only eSIMs for the country. 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 apps are accessible in Japan before purchasing a plan.

Roamix does not publish a country‑specific count of its eSIM plans in the public data set that is available for the eSIMDB database. The existing statistics list overall numbers for all providers—such as the total count of single‑country versus multi‑country plans and the overall price and data ranges—but do not separate them by individual operator. Therefore, the exact number of Roamix data plans available for Japan cannot be provided from the current data set.