1 GB
Data
7 days
Validity
$1.99
$1.99/GB
simbye.com Promo code
Simbye eSIM Japan 2026: Promo Code, Data Plans & Prices
Simbye eSIM Japan 2026: promo code, plans and prices. How much does it cost? Rates by days and GB, the cheapest data package and unlimited options.
Traveling to more than one country? Add it to the search.
Updated Nov 9, 2026
Simbye plans and prices for Japan
Simbye for Japan FAQ.
Is there a Simbye promo code for Japan?
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Yes. Use our code when you buy a Japan plan. It takes 15% off. Enter it at checkout.
How much does the cheapest Simbye eSIM for Japan cost?
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The cheapest Simbye eSIM for Japan costs $1.99 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 Simbye site.
Does Simbye work in Japan?
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Yes, Simbye works in Japan on its Japan-only plans and on its regional 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 Simbye eSIM for Japan for 7, 15 or 30 days?
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For Japan alone, these are Simbye's lowest prices by trip length:
- 7 days: $1.99 for 1 GB
- 15 days: $4.99 for 3 GB
- 30 days: $6.99 for 5 GB
Does Simbye have an unlimited data eSIM for Japan?
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Yes, Simbye has 3 unlimited plans for Japan, ranging from $19.99 for 7 days to $64.99 for 30 days. You get 2 GB a day at full speed, then 1 Mbps until the next 24-hour cycle.
What is Simbye, and is it good for Japan?
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Simbye is an eSIM store for travelers, with plans covering 157 destinations.
How much does 1 GB of data cost with a Simbye eSIM in Japan?
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With Simbye, 1 GB in Japan can cost as little as $0.90, on the plan with 50 GB for 180 days.
Does Simbye have 5G in Japan?
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Yes, every Simbye plan for Japan has 5G. Your phone needs to support 5G too: on iPhone, that means an iPhone 12 or newer.
Can I use a Simbye eSIM as a mobile hotspot in Japan?
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Yes, most Simbye eSIMs support a personal hotspot, and shared data counts toward your data package. A few unlimited plans limit or exclude hotspot, so check the plan details before you buy.
Does Simbye have a phone plan with a number for Japan?
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No, Simbye'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 Simbye eSIM before my trip to Japan and use it later?
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Yes, you can buy it ahead: before activation, the eSIM stays valid for 180 days. Installing it at home doesn't start the clock, and the days start when the eSIM connects to a network in Japan.
Can I top up a Simbye eSIM?
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Yes, you can top up the same eSIM in the app or on the website, with no new QR code. On data plans you add gigabytes, and on unlimited plans you add days.
Does Simbye have a regional eSIM that works in Japan?
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Yes, Simbye has 5 regional plans that cover Japan and other countries. 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 $11.99 on the Japan eSIM and $29.99 on the regional one.
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