Whether it’s a weekend getaway or an extended journey, AdventureSIMs is your reliable and affordable way to stay connected wherever you go. Designed for travellers who want hassle-free, dependable connectivity, we handle the tech so you can focus on your adventure. With AdventureSIMs, experience travel data the way it should be - affordable, effortless, and reliable.
AdventureSIMs 
Whether it’s a weekend getaway or an extended journey, AdventureSIMs is your reliable and affordable way to stay connected wherever you go. Designed for travellers who want hassle-free, dependable connectivity, we handle the tech so you can focus on your adventure. With AdventureSIMs, experience travel data the way it should be - affordable, effortless, and reliable.
Promo Code
GET 5% OFF
Unlimited
AdventureSIMs eSIM Data Plans for Japan
Japan 1GB 7 Days
1GB
7
Days
$1.38
(A$1.99)
$1.38/GB
GET 5% OFF
Japan 3GB 15 Days
3GB
15
Days
$3.47
(A$4.99)
$1.16/GB
GET 5% OFFJapan 3GB 30 Days
3GB
30
Days
$4.17
(A$5.99)
$1.39/GB
GET 5% OFFJapan 5GB 30 Days
5GB
30
Days
$6.95
(A$9.99)
$1.39/GB
GET 5% OFFJapan 5GB 1 Day
5GB
1
Day
$8.34
(A$11.99)
$1.67/GB
GET 5% OFFGlobal (120 areas) 1GB 7 Days
1GB
7
Days
$8.34
(A$11.99)
$8.34/GB
GET 5% OFFJapan 10GB 30 Days
10GB
30
Days
$10.43
(A$14.99)
$1.04/GB
GET 5% OFFJapan 20GB 30 Days
20GB
30
Days
$18.08
(A$25.99)
$0.90/GB
GET 5% OFFGlobal (120 areas) 3GB 30 Days
3GB
30
Days
$20.86
(A$29.99)
$6.95/GB
GET 5% OFFJapan 50GB 30 Days
50GB
30
Days
$27.81
(A$39.99)
$0.56/GB
GET 5% OFFGlobal (120 areas) 5GB 30 Days
5GB
30
Days
$27.81
(A$39.99)
$5.56/GB
GET 5% OFFJapan 50GB 180 Days
50GB
180
Days
$41.72
(A$59.99)
$0.83/GB
GET 5% OFFGlobal (120 areas) 10GB 30 Days
10GB
30
Days
$48.68
(A$69.99)
$4.87/GB
GET 5% OFFGlobal (120 areas) 20GB 30 Days
20GB
30
Days
$76.50
(A$109.99)
$3.82/GB
GET 5% OFFFrequently Asked Questions
Does AdventureSIMs offer unlimited data eSIM for Japan?
AdventureSIMs does not offer an unlimited data eSIM plan for Japan. All available options list a fixed data allowance, such as 10GB, 20GB or 50GB, with validity periods of 30 days or 180 days.
Travelers who need more data can choose from the fixed‑cap plans. For example, the 50GB 30 days plan costs $28.18 USD and the 50GB 180 days plan costs $42.27 USD; both provide 4G and 5G coverage throughout Japan. Fixed plans can be a more cost‑effective choice for users expecting high data usage, while those requiring unlimited data would need to seek an alternative provider.
Does AdventureSIMs offer Japan eSIM with phone number and SMS?
AdventureSIMs does not provide any Japan eSIM that includes a phone number or SMS capability. The service only offers data‑only plans for travelers in Japan. Users who need to communicate over voice or text can use VoIP applications such as WhatsApp, Telegram, or iMessage, which operate over the data connection provided by the eSIM.
How many data plans does AdventureSIMs offer for Japan?
AdventureSIMs offers nine single‑country plans and five multi‑country plans for Japan. The data caps span from 1 GB to 50 GB, and prices range from about $1.40 to just over $77. Some of the packages include tethering allowance.
Summarized by Gen AI. Last updated:
Japan Also Covered By
Other Countries Nearby Japan
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