UPeSIM
16 countries
1 GB
Data
7 days
Validity
$2.78
$2.78/GB
UPeSIM eSIM Japan 2026: Cheap Data Plans & Prices
UPeSIM eSIM 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
UPeSIM plans and prices for Japan
UPeSIM for Japan FAQ.
How much does the cheapest UPeSIM for Japan cost?
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The cheapest UPeSIM for Japan costs $2.78 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 UPeSIM site.
Does UPeSIM work in Japan?
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Yes, UPeSIM works in Japan on its Japan-only plans and on its regional and global eSIMs. 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 a UPeSIM for Japan for 7, 15 or 30 days?
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For Japan alone, these are UPeSIM's lowest prices by trip length:
- 7 days: $2.78 for 1 GB
- 30 days: $16.71 for 10 GB
UPeSIM has no 15-day plan for Japan.
Does UPeSIM have an unlimited data eSIM for Japan?
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No, UPeSIM has no unlimited plans for Japan, so every plan comes with a set amount of data.
What is UPeSIM, and is it good for Japan?
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UPeSIM is an eSIM store for travelers, with plans covering 161 destinations.
How much does 1 GB of data cost with a UPeSIM in Japan?
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With UPeSIM, 1 GB in Japan can cost as little as $1.67, on the plan with 10 GB for 30 days.
Can I use a UPeSIM as a mobile hotspot in Japan?
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Yes, UPeSIM lets you share data through a hotspot, by Wi-Fi, USB or Bluetooth, at no extra cost.
Does UPeSIM have a phone plan with a number for Japan?
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No, UPeSIM's Japan plans are data only, so your home number stays on your main SIM. You can still call and message people through WhatsApp or other apps.
Can I buy a UPeSIM before my trip to Japan and use it later?
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Yes, you can install it at home, and the days don't start until the eSIM first connects to a network in Japan. Each eSIM has a date by which it must be installed or activated, so check it before you buy.
Can I top up a UPeSIM?
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Yes, you can top up the same UPeSIM online or in the app, even from abroad, with no new QR code.
Does UPeSIM have a global eSIM that works in Japan?
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Yes, UPeSIM has 3 regional plans that cover Japan and other countries, plus 3 global plans starting at $9.29. These keep you online as you cross borders. But if you're only going to Japan, a Japan-only plan costs less. For example, 10 GB for 30 days is $16.71 on the Japan eSIM and $44.58 on the regional one.
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