eSIM.sm
Japan
1 GB
Data
7 days
Validity
$5.90
$5.90/GB
eSIM.sm Japan 2026: Cheap Data Plans & Prices
eSIM.sm Japan 2026: plans and prices. How much does it cost? Rates by days and GB, from the cheapest to the largest data package, in one list.
Traveling to more than one country? Add it to the search.
Updated Nov 9, 2026
eSIM.sm plans and prices for Japan
eSIM.sm for Japan FAQ.
How much does the cheapest eSIM.sm for Japan cost?
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The cheapest eSIM.sm for Japan costs $5.90 and gives you 1 GB for 7 days. We recheck prices daily, so this price is up to date. You can buy it on the official eSIM.sm site.
Does eSIM.sm work in Japan?
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Yes, eSIM.sm works in Japan on its Japan-only plans. If your eSIM is installed but won't connect after you land, open your phone's settings and turn on data roaming for it. Your home SIM can stay as it is.
How much is an eSIM.sm for Japan for 7, 15 or 30 days?
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For Japan alone, these are eSIM.sm's lowest prices by trip length:
- 7 days: $5.90 for 1 GB
- 15 days: $9.70 for 3 GB
- 30 days: $21.20 for 10 GB
Does eSIM.sm have an unlimited data eSIM for Japan?
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No, eSIM.sm has no unlimited plans for Japan, so every plan comes with a set amount of data.
What is eSIM.sm, and is it good for Japan?
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eSIM.sm is an eSIM store for travelers, with plans covering 184 destinations. On Trustpilot, 11,085 people have rated it 4.7 out of 5.
How much does 1 GB of data cost with an eSIM.sm in Japan?
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With eSIM.sm, 1 GB in Japan can cost as little as $2.00, on the plan with 20 GB for 30 days.
Can I use an eSIM.sm as a mobile hotspot in Japan?
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Yes, you can share your data through a personal hotspot, with no limit on how much you share.
Does eSIM.sm have a phone plan with a number for Japan?
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Yes, as a paid extra, but only with its Global eSIM: you can add a US or UK phone number with minutes included every month. eSIM.sm's Japan plans themselves are data only.
Can I buy an eSIM.sm before my trip to Japan and use it later?
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Yes, you can buy it ahead and activate it within 60 days of purchase. On most plans, the days start only when you reach Japan and the eSIM connects to a network.
Can I top up an eSIM.sm?
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Yes, plans with a set amount of data can be topped up on the website or in the app under My eSIMs, and a top-up adds both data and days. Unlimited plans and expired eSIMs can't be topped up.
eSIM.sm in nearby countries.
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