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Always Mobile
Always Mobile certified

Always Mobile offers affordable prepaid eSIM data plans in 170+ destinations. Choose country-specific, regional, or global plans based on data and duration. Enjoy 4G/5G networks for eSIM-capable iOS and Android devices. Fast purchase, easy activation, and expert customer service. Always Mobile: BE LOCAL. EVERYWHERE.

Always Mobile eSIM Data Plans for Japan

Japan 1GB 7Days
1GB
7
Days
$2.50
$2.50/GB
5G
Japan 3GB 15Days
3GB
15
Days
$3.50
$1.17/GB
5G
Japan 3GB 30Days
3GB
30
Days
$3.75
$1.25/GB
5G
China mainland & Japan & South Korea 1GB 7Days
1GB
7
Days
$4.25
$4.25/GB
5G
Japan 5GB 30Days
5GB
30
Days
$4.75
$0.95/GB
5G
Asia-20 1GB 7 Days
1GB
7
Days
$5.50
$5.50/GB
5G
Asia (12 areas) 1GB 7Days
1GB
7
Days
$5.50
$5.50/GB
5G
Global (120+ areas) 1GB 7Days
1GB
7
Days
$6.75
$6.75/GB
5G
Japan 10GB 30Days
10GB
30
Days
$7.00
$0.70/GB
5G
China mainland & Japan & South Korea 3GB 15Days
3GB
15
Days
$8.00
$2.67/GB
5G
China mainland & Japan & South Korea 3GB 30Days
3GB
30
Days
$8.25
$2.75/GB
5G
Global (120+ areas) 1GB 365Days
1GB
365
Days
$9.50
$9.50/GB
5G
Global139 1GB 7Days
1GB
7
Days
$10.25
$10.25/GB
5G
Japan 20GB 30Days
20GB
30
Days
$10.75
$0.54/GB
5G
China mainland & Japan & South Korea 5GB 30Days
5GB
30
Days
$11.50
$2.30/GB
5G
Asia-20 3GB 15Days
3GB
15
Days
$11.50
$3.83/GB
5G
Asia (12 areas) 3GB 15Days
3GB
15
Days
$11.50
$3.83/GB
5G
Asia (12 areas) 3GB 30Days
3GB
30
Days
$11.75
$3.92/GB
5G
Asia-20 3GB 30Days
3GB
30
Days
$12.00
$4.00/GB
5G
Global (120+ areas) 3GB 30Days
3GB
30
Days
$14.75
$4.92/GB
5G
Asia (12 areas) 5GB 30Days
5GB
30
Days
$17.25
$3.45/GB
5G
Asia-20 5GB 30 Days
5GB
30
Days
$17.50
$3.50/GB
5G
Global139 1GB 365Days
1GB
365
Days
$18.75
$18.75/GB
5G
China mainland & Japan & South Korea 10GB 30Days
10GB
30
Days
$19.50
$1.95/GB
5G
Japan 50GB 30Days
50GB
30
Days
$21.50
$0.43/GB
5G
Global (120+ areas) 5GB 30Days
5GB
30
Days
$22.75
$4.55/GB
5G
Global139 3GB 30Days
3GB
30
Days
$24.50
$8.17/GB
5G
Asia-20 10GB 30Days
10GB
30
Days
$29.00
$2.90/GB
5G
Asia (12 areas) 10GB 30Days
10GB
30
Days
$29.00
$2.90/GB
5G
China mainland & Japan & South Korea 20GB 30Days
20GB
30
Days
$31.50
$1.58/GB
5G
Japan 50GB 180Days
50GB
180
Days
$35.25
$0.71/GB
5G
Global139 5GB 30Days
5GB
30
Days
$37.25
$7.45/GB
5G
Global (120+ areas) 10GB 30Days
10GB
30
Days
$42.75
$4.28/GB
5G
Asia-20 20GB 30Days
20GB
30
Days
$46.75
$2.34/GB
5G
Asia (12 areas) 20GB 30Days
20GB
30
Days
$46.75
$2.34/GB
5G
Global139 10GB 30Days
10GB
30
Days
$60.50
$6.05/GB
5G
Global (120+ areas) 20GB 30Days
20GB
30
Days
$67.50
$3.38/GB
5G
Global (120+ areas) 20GB 90Days
20GB
90
Days
$74.25
$3.71/GB
5G
Global139 20GB 90Days
20GB
90
Days
$98.25
$4.91/GB
5G

Unfiltered customer reviews

Komodowaranused Always Mobile Always Mobile in Japan 🇯🇵

Break Out Point is Japan.
You will connect to IIJ (ISP)
You cannot use hotspot

Frequently Asked Questions

Does Always Mobile offer unlimited data eSIM for Japan?

Always Mobile does not provide any unlimited data eSIM plans for Japan. All of its offerings have a fixed data cap.

Travelers can choose from fixed‑data options such as a 50GB plan valid for 30 days that costs $21.50 USD, or a 20GB plan for 30 days at $10.75 USD. These plans allow tethering and include 5G coverage in Japan. Selecting a fixed‑data plan can be more cost‑effective for most travelers unless you expect to use extremely large amounts of data.

Does Always Mobile offer Japan eSIM with phone number and SMS?

Always Mobile does not offer Japanese eSIM plans that include a local phone number or the ability to send or receive SMS messages. Only data‑only eSIM plans are available for Japan. Travelers can still use VoIP applications such as WhatsApp, Telegram, and iMessage over the data connection for voice calls and messaging without needing a phone number or SMS capability.

How many data plans does Always Mobile offer for Japan?

Always Mobile lists a total of 39 data‑plan options for travelers headed to Japan. Of those, 8 are single‑country plans that cover Japan only, while 31 are multi‑country plans that include Japan along with other destinations. The plans vary in price from about $2.50 to $98.25 and in data allowances from 1 GB up to 50 GB. Some plans allow tethering, giving users the flexibility to share the connection with other devices.

Summarized by Gen AI. Last updated:

Japan Also Covered By

Programmatically fetched and updated. data plans for the provider(s) with this icon are programmatically fetched and updated.

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