Japan 1GB
SimOptions
Was US$3.50 Now US$2.50
- Data1 GB
- Calls & SMSNo
- Validity3 days
- Speed5G
- Coverage1 Country
Compare the Top Japan eSIM Plans for 2026
Japan 3GB
SimOptions
Was US$9.50 Now US$6.90
- Data3 GB
- Calls & SMSNo
- Validity3 days
- Speed5G
- Coverage1 Country
Japan 5GB
SimOptions
Was US$14.50 Now US$10.50
- Data5 GB
- Calls & SMSNo
- Validity7 days
- Speed5G
- Coverage1 Country
Japan 10GB
SimOptions
Was US$25.50 Now US$18.50
- Data10 GB
- Calls & SMSNo
- Validity7 days
- Speed5G
- Coverage1 Country
Japan 20GB
SimOptions
Was US$49.50 Now US$36.50
- Data20 GB
- Calls & SMSNo
- Validity15 days
- Speed5G
- Coverage1 Country
Japan 50GB
SimOptions
Was US$122.90 Now US$90.90
- Data50 GB
- Calls & SMSNo
- Validity30 days
- Speed5G
- Coverage1 Country
Japan 60GB
SimOptions
Was US$147.50 Now US$108.90
- Data60 GB
- Calls & SMSNo
- Validity90 days
- Speed5G
- Coverage1 Country
Please make sure that you have an eSIM-compatible smartphone and that it is unlocked. Here is the list of .
SimOptions vs Competitors
Why we are the #1 Choice for your Japan trip
Key Features
🏆 SimOptions
Airalo
Holafly
Hotspot / Tethering
100% Allowed
Allowed
Not Allowed/Blocked
Data Speed
Full Speed (5G/4G LTE)
Full Speed
Subject to daily FUP (Throttled)
Local Networks
Top Tier (AT&T, T-Mobile)
Variable (Often MVNOs)
Variable
Customer Support
24/7 Live Human Support
APP / Ticket System
Chatbot / Email
Get Your Japan eSIM
3 simple steps to stay connected across Japan
1
Choose your
destination
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USA
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Japan
Choose from over 200 destinations worldwide
2Buy now
Select the best
eSIM for you
Go card eSIM
O2
$24.90
$39.90
157 customer reviews★★★★☆
Data10 GB
Calls50 CZK
SMS50 CZK
Credit validity30 days
Countries16
Top-upAvailable
eSIM validity1 year
Choose the best esim corresponding to your needs
3
Receive your eSIM
by email
Install your eSIM
Obtain your eSIM via a QR code directly sent by email
Install Your Japan eSIM
How to activate your data plan in minutes
Explore the Land of the Rising Sun in 5G with Japan eSIM
Navigating Japan is easier with internet. SimOptions connects you to Docomo and Softbank for exceptional coverage even on the Shinkansen.
- Master Local Navigation: Use high-speed data for the Japan Travel app and Google Maps in Shibuya.
- Share the Moment: Post your photos from Kyoto and Akihabara instantly with a stable connection.
- Hotspot Ready: Share your 5G/4G data with your laptop or friends while exploring the country.
Japan Travel Guides
Tips and tricks for your next adventure
eSIM Providers in Japan: DOCOMO, au, SoftBank, Rakuten and Travel eSIMs
Feb 08, 2024Which companies offer eSIM in Japan? All four mobile networks do: NTT DOCOMO, au (KDDI), SoftBank and Rakuten Mobile. Apple also lists brands like povo, UQ, LINEMO and…
Best eSIM for Japan: Which Plan Fits Your Trip
Jan 09, 2023The best eSIM for Japan is a data plan sized to your days there and installed before you fly. A SimOptions Japan eSIM does that. It runs on the NTT Docomo and SoftBank…
Plan the Perfect Trip to Japan: Japan Holiday Guide
Nov 16, 2020To plan the perfect trip to Japan, go in spring (March to May) or autumn (September to November), give yourself about a week for Tokyo, Kyoto and Osaka or two weeks to…
Which Japan eSIM is Right for You?
3 - 5 Days:1GB to 5GB
7 - 15 Days:10GB to 20GB (Ideal)
15 - 30 Days:20GB to 50GB
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SimOptions: Your Global Marketplace for Premium eSIMs
Since 2014, SimOptions has been the trusted leader in providing high-quality connectivity for international travelers. We specialize in sourcing the best prepaid eSIM plans for Japan, partnering exclusively with top-tier operators to ensure you experience seamless 5G/4G data, wherever your journey takes you.
Our meticulous selection process means we only offer the most reliable packages, allowing you to bypass the hassle of physical SIM cards, slow hotel Wi-Fi, or expensive roaming fees. Whether you are traveling through Asia or exploring any of our 200+ global destinations, our dedicated support team is available 24/7 to assist you. Join over 50,000 monthly travelers who trust SimOptions to stay connected, secure, and mobile.