CloudOn
Japan
1 GB
Data
7 days
Validity
$3.99
$3.99/GB
CloudOn eSIM Japan 2026: Cheap Data Plans & Prices
CloudOn eSIM Japan 2026: plans and prices. How much does it cost? Rates by days and GB, the cheapest data package and unlimited options in one list.
Traveling to more than one country? Add it to the search.
Updated Nov 9, 2026
CloudOn plans and prices for Japan
CloudOn for Japan FAQ.
How much does the cheapest CloudOn eSIM for Japan cost?
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The cheapest CloudOn eSIM for Japan costs $3.99 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 CloudOn site.
Does CloudOn work in Japan?
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Yes, CloudOn 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 CloudOn eSIM for Japan for 7, 15 or 30 days?
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For Japan alone, these are CloudOn's lowest prices by trip length:
- 7 days: $3.99 for 1 GB
- 15 days: $6.49 for 2 GB
- 30 days: $8.99 for 3 GB
Does CloudOn have an unlimited data eSIM for Japan?
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Yes, CloudOn has 6 unlimited plans for Japan, ranging from $12.99 for 3 days to $48.99 for 30 days. A week without a data cap costs $18.99. You get 3 GB a day at full speed, then 1 Mbps.
What is CloudOn, and is it good for Japan?
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CloudOn is an eSIM store for travelers, with plans covering 214 destinations.
How much does 1 GB of data cost with a CloudOn eSIM in Japan?
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With CloudOn, 1 GB in Japan can cost as little as $0.48, on the plan with 50 GB for 31 days.
Does CloudOn have 5G in Japan?
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Yes, 35 of CloudOn's 40 plans for Japan have 5G, so check the plan details before you buy. Your phone needs to support 5G too: on iPhone, that means an iPhone 12 or newer.
Can I use a CloudOn eSIM as a mobile hotspot in Japan?
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It depends on the plan and the country. CloudOn labels the plans that support a hotspot on their detail page, and plans without it must not be used for sharing, so check the plan details before you buy.
Does CloudOn have a phone plan with a number for Japan?
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No, CloudOn'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 CloudOn eSIM before my trip to Japan and use it later?
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Yes, you can install it at home before your trip. The days start counting only when the eSIM first connects to a network, not when you buy or install it. Some plans give you a set time to start, such as 60 days from purchase, so check the plan details before you buy.
Can I top up a CloudOn eSIM?
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Yes, on many plans you can top up the same eSIM from its page in your CloudOn account, with no new QR code. Whether a top-up is available depends on the plan, so check the plan details before you buy.
Does CloudOn have a global eSIM that works in Japan?
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Yes, CloudOn has 18 regional plans that cover Japan and other countries, plus 6 global plans starting at $14.99. These keep you online as you cross borders. Even for Japan alone, the regional plan can cost less: 10 GB for 30 days is $10.99 on it and $11.99 on the Japan eSIM.
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