eSIMania
Japan
1 GB
Data
7 days
Validity
$2.40
$2.40/GB
esimania.com Promo code
eSIMania eSIM Japan 2026: Promo Code, Data Plans & Prices
eSIMania eSIM Japan 2026: promo code, plans and prices. How much does it cost? Rates by days and GB, from the cheapest to the largest data package.
Traveling to more than one country? Add it to the search.
Updated Nov 9, 2026
eSIMania plans and prices for Japan
eSIMania for Japan FAQ.
Is there an eSIMania promo code for Japan?
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Yes. Use our code when you buy a Japan plan. Enter it at checkout.
How much does the cheapest eSIMania for Japan cost?
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The cheapest eSIMania for Japan costs $2.40 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 eSIMania site.
Does eSIMania work in Japan?
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Yes, eSIMania 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 an eSIMania for Japan for 7, 15 or 30 days?
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For Japan alone, these are eSIMania's lowest prices by trip length:
- 7 days: $2.40 for 1 GB
- 15 days: $3.90 for 2 GB
- 30 days: $7.65 for 3 GB
Does eSIMania have an unlimited data eSIM for Japan?
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No, eSIMania has no unlimited plans for Japan, so every plan comes with a set amount of data.
What is eSIMania, and is it good for Japan?
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eSIMania is an eSIM store for travelers, with plans covering 207 destinations.
How much does 1 GB of data cost with an eSIMania in Japan?
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With eSIMania, 1 GB in Japan can cost as little as $0.93, on the plan with 50 GB for 30 days.
Can I use an eSIMania as a mobile hotspot in Japan?
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Yes, every eSIMania plan lets you share data through a personal hotspot, and shared data comes out of the plan's allowance.
Does eSIMania have a phone plan with a number for Japan?
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No, eSIMania'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 an eSIMania before my trip to Japan and use it later?
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Yes, you can buy it ahead and install it within 6 months, while the QR code is valid. The days start counting once you arrive in Japan, or right after you install the eSIM if you're already there.
Can I top up an eSIMania?
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No, an eSIMania can't be topped up. When the data runs out, you buy another package.
Does eSIMania have a global eSIM that works in Japan?
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Yes, eSIMania has 39 regional plans that cover Japan and other countries, plus 16 global plans starting at $14.10. 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 $15.00 on the Japan eSIM and $19.61 on the regional one.
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