
eSimfly provides fast, reliable, and affordable eSIM data plans for travelers worldwide. We offer seamless activation, extensive coverage, and flexible packages tailored for both individuals and business users.
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Data plans for this provider are automatically updated. While we strive to keep the information accurate, we cannot guarantee its completeness or accuracy. Please confirm all details on the provider's official website or app before purchasing.
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eSimfly does not provide a truly unlimited high‑speed data plan for Japan. The plans labelled “Asia Unlimited” each allow 3 GB of high‑speed data per day; after the daily allowance is reached the connection is throttled, and the speed at which it is throttled is not listed. Therefore, these plans are not unlimited in the sense of offering unlimited high‑speed data without limits.
Instead, eSimfly offers several fixed‑data options for travelers in Japan. For example, the Japan 50 GB 30 days (IIJ) plan provides a large data allowance for 30 days, and the Global 100 GB 31 days plan offers even more data that can be used while visiting Japan. Fixed‑data plans can be a cost‑effective alternative unless a user expects very heavy data consumption.
eSimfly does not provide Japan eSIMs that include a phone number or SMS capability. All eSimfly plans for Japan are data‑only. Travelers can still make voice calls and send messages using VoIP apps such as WhatsApp, Telegram, or iMessage over the data connection.
eSimfly currently lists 15 single‑country data plans and 32 multi‑country data plans that include Japan. The single‑country offerings provide a range of data caps from 1 GB up to 100 GB, while the multi‑country plans cover a similar data range and cater to travelers who need connectivity across several regions.
In addition to the price range of $1.20 to $90.60, eSimfly offers both fixed data cap options (41 plans that specify an exact amount of data that does not change) and daily data cap options (6 plans that reset or allocate a certain amount of data each day). These choices allow users to select either a total data allotment for the duration of the plan or a controlled daily bandwidth limit.
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