mobineX eSIM Data Plans for Japan

MobineX does not provide a truly unlimited data eSIM for Japan; all plans that carry the “Unlimited” label actually have a cap of 1 GB or 5 GB, after which the connection is throttled to a reduced speed of 128 kbps or 1 000 kbps. For travelers needing more data without speed drops, fixed‑replenishment options are available, such as the 50 GB plan for 30 days or the 100 GB plans valid for 90, 180, or 365 days. These higher‑capacity plans offer a more cost‑effective solution for users who anticipate substantial data usage while in Japan.

mobineX does not offer any Japan eSIM plans that include a phone number or SMS capability. Travelers can only purchase data‑only eSIMs from mobineX, and can use popular VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection to make voice calls and send text messages.

MobineX lists 62 single‑country data plans that are available specifically for travel within Japan and 179 multi‑country plans that include coverage in Japan as part of a broader regional package. The overall catalog of plans spans a price range from about $1.20 to $480.00 and offers data caps from 1 GB up to 100 GB. Most plans give a fixed data allowance valid for anywhere between one and 365 days, while users can also find daily‑capped options that limit usage on a per‑day basis.