iRoamly
2 reviews for JapaniRoamly could be the most versatile travel eSIM brand, supporting fast and stable internet in over 140 countries. It offers a wide range of package options including Daily, Total, Unlimited, as well as packages with calls and SMS.
iRoamly eSIM Data Plans for Japan
New Users OnlyData 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.
Customer Reviews
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“The internet worked perfectly everywhere – airports , even on road trips. No annoying "loading..." screens! Plus their customer chat is LEGIT. Messaged them at 1AM (jetlag lol) and replied in 2 minutes. She literally stayed on chat while I set it up, double-checked everything. Way cheaper than my phone plan back home. Never going back to regular SIM cards!”
“I used their unlimited 3-day plan and could use more than 20GB of data, so it seems to be indeed unlimited. However, the speed was capped at 10 Mbps the whole time.
Traffic was routed through Hong Kong, so the latency was not great but not too bad.
The issue with a Hong Kong IP is that I couldn't access some services like ChatGPT.”
iRoamly for Japan FAQ
Does iRoamly offer unlimited data eSIM for Japan?
iRoamly offers unlimited data eSIM plans for Japan that are valid for a fixed period ranging from 1 day to 30 days, with prices from $3.50 USD for a one‑day plan up to $66.00 USD for a thirty‑day plan. Each plan is marked as unlimited, meaning there is no hard data cap during the validity window.
The plans include a Fair Usage Policy: after heavy consumption speeds can be throttled, with a maximum unthrottled speed of 20 000kbps on 5G networks. Users who need confirmation about specific speed limits or the typical amount of data available at normal speed should contact iRoamly directly.
Does iRoamly offer Japan eSIM with phone number and SMS?
No, iRoamly does not offer an eSIM for Japan that includes a phone number or SMS capability. The provider offers only data‑only eSIM plans for this destination. Travelers who need voice or text can use VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection. However, some apps or VoIP services may be blocked or restricted in Japan, so it is recommended that travelers confirm that the services they rely on are accessible before purchasing a plan.
How many data plans does iRoamly offer for Japan?
iRoamly offers a broad selection of plans that cover Japan. For the single‑country offering, 150 distinct data plans are available, ranging in price from free to about $257 USD and in data volume from 500 MB up to unlimited daily data. In addition, 46 multi‑country plans that include Japan are also offered, providing similar price and data ranges. These plans come in two main types: those that provide a fixed data allowance for the entire validity period, and those that cap a certain amount of data per day. Across both categories the price and data cap range for Japan mirrors the overall provider ranges listed above.
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