
mobineX is a UK-based startup offering a virtual mobile operator with comprehensive mobile services including calls, SMS, and internet. Launched in 2023, mobineX provides eSIMs globally, including 5G where available. It's an ideal solution for travelers needing reliable internet.
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MobineX does not provide a genuinely unlimited‑data eSIM plan for Japan. All plans labeled “Unlimited” in the database actually grant a capped amount of high‑speed data—1 GB or 5 GB per day—and the connection speed drops to a reduced rate (128 kbps or 1024 kbps) once the cap is exceeded. Travelers who need more data can instead choose the fixed‑data options that are available, such as the 50 GB plan valid for 30 days or any of the 100 GB plans that run for 60, 90, 180 or 365 days. These fixed plans provide higher data allowances without the speed throttling that applies after the daily limit is reached.
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.
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