eSIMatrix eSIM Data Plans for Japan

eSIMatrix does not offer an unlimited data eSIM plan for Japan. The available Japan‑specific plans are fixed‑data packages with caps of 5 GB, 10 GB, or 20 GB, each valid for 30 days. The largest plan provides 20 GB of data for 30 days at a price of $17.00 USD and uses 5G network coverage within Japan.

Travelers who prefer a higher data allowance can select one of these fixed data plans, such as the 20 GB option for $17.00 USD or the 10 GB option for $10.00 USD. Because these plans deliver a set amount of data for a set period, they can be more cost‑effective for most users, though travelers who consume data far beyond the plan limits may need to seek alternative unlimited‑data offerings.

eSIMatrix does not provide a Japan eSIM that includes a local phone number or the ability to send or receive SMS. The provider’s Japan offerings are strictly data‑only plans, so travelers cannot make mobile voice calls or send text messages directly through the SIM. However, data connectivity allows use of popular VoIP services such as WhatsApp, Telegram, and iMessage for voice and messaging; users should confirm that these apps remain accessible in Japan, as some destinations may block or restrict certain services.

eSIMatrix offers 4 single‑country plans and 16 multi‑country plans for Japan. The plans range in price from about $4 to $41 USD and provide data caps from 3 GB up to 20 GB, with validity periods between 5 and 30 days. Most of the plans are fixed data packages rather than daily data caps, giving travelers clear limits on usage for the duration of their stay.