mobineX eSIM Data Plans for Japan

mobineX does not provide a truly unlimited data eSIM for Japan.
All plans that carry the “Unlimited” label only give a fixed amount of high‑speed data: 1GB for the Unlimited Standard plans and 5GB for the Unlimited Gold plans. Once the data cap is reached, the speed drops to 128kbps or 1024kbps, respectively, as indicated by the Reduced speed feature.

Travelers who need more data can choose from mobineX’s fixed data plans, such as the 100GB – 90 days, 100GB – 180 days, or 100GB – 365 days options, which offer a large data allowance over a longer validity period without throttling. A smaller fixed plan, like 50GB – 30 days, is also available for those who prefer a lower data amount.

MobineX does not offer Japan eSIM plans that provide a phone number or SMS capability. The only plans available from mobineX for Japan are data‑only eSIMs, without any voice or text messaging service.

Travelers wishing to communicate while in Japan can rely on VoIP applications such as WhatsApp, Telegram, and iMessage. These services use the data connection supplied by the eSIM, allowing calls and messaging without a traditional phone number or SMS ability.

MobineX provides 43 single‑country data plans and 116 multi‑country data plans that are valid for use in Japan. The available plans span a price range from about $1.20 to $480.00 and offer data caps from 1 GB up to 100 GB, with validity periods that can last from a single day to 365 days. Single‑country plans generally offer a fixed data amount for the full duration of the validity, while multi‑country plans allow the same data allowance to be used across several destinations but still count against the same total data cap.