MicroEsim eSIM Data Plans for Japan

MicroEsim provides a range of unlimited data eSIM plans for Japan that run for one to thirty days. Prices vary from $2.13 for a one‑day plan to $68.52 for a thirty‑day plan, and all plans are sold on a full‑day validity basis. The data allowance on these plans is unlimited, but speeds can be lowered after heavy use. Many of the plans specify a maximum speed of 10000kbps, while some offer reduced speeds of 5000kbps or 10000kbps once the high‑speed data allowance is exhausted.

Users who are concerned about potential speed restrictions should contact MicroEsim directly to confirm whether a Fair Usage Policy applies and to find out the typical amount of data that can be used at normal speed before throttling occurs.

MicroEsim does not provide a Japan eSIM plan that includes a local phone number or SMS service. The provider offers only data‑only eSIMs. Travelers who need voice or text communication can use VoIP applications such as WhatsApp, Telegram, and iMessage over the data connection, but they should verify that these services are accessible in Japan before purchasing, as some destinations may block or restrict certain apps.

MicroEsim provides 112 single‑country data plans for Japan and 97 multi‑country data plans that include Japan. The available plans span a price range of $0.81 to $165.24 and a data cap range from 500 MB to unlimited. Within this assortment, plans are offered either with a fixed data allowance—total data set at the beginning of the validity period—or with a daily data cap, which limits the amount of data each day.