MicroEsim eSIM Data Plans for Japan

MicroEsim offers 99 single‑country data plans and 97 multi‑country plans for Japan. The catalog includes both fixed‑data‑cap offerings—most of which give a set amount such as 500 MB or a tiered “unlimited” option—and daily‑data‑cap plans that reset every day. Prices vary broadly from about $0.85 to $165.24, with validity periods ranging from 1 to 60 days and data caps that span 500 MB up to unlimited data.

MicroEsim does provide unlimited data eSIM plans for Japan, with validity periods ranging from 1 day up to 30 days and prices from about $2.24 USD to $72.51 USD. The unlimited plans are marked as “isUnlimited” and allow tethering, but the carrier may throttle speeds to a lower rate after heavy usage under a fair‑usage policy. If speed reduction is a concern, it is advisable to contact MicroEsim directly to confirm the typical data volume that can be used at normal speeds and whether the policy applies to the chosen plan.