JapanWifiBuddy eSIM

Stay connected with our eSIM

  • Choose from a variety of powerful and flexible plans.
    Enjoy the best value depending on how long you're travelling.
  • Unlimited Data and Amazing Speeds Available
    Experience excellent download speeds and coverage
  • Powered by Japan’s Docomo and Softbank Networks
    Powerful networks with the best coverage throughout Japan
  • No return necessary
    Once your trip is done, just switch back to your home country eSIM!

Immediate email delivery

Quick and Easy setup

Connect the moment you land!
Unlimited data plans available!
More affordable prices compared to the competition
24/7 Native English Support helpline

The Best Bang-for-your-Buck. Period.

JapanWifiBuddy offers a variety of eSim options, ranging from simple and super-affordable plans, all the way up to unlimited data plans with industry-leading speeds and coverage. Stream, voice chat, upload or download all to your heart’s content, staying connected to friends and family during your time in Japan.

For more information on installation, please see our HOW IT WORKS page. You’ll be emailed this information upon order completion as well.

If our regular plans don't meet your requirements, please feel free to contact us for more options

Contact Us

for JapanWifiBuddy


1727 reviews
5 1556
4 161
3 10
2 0
1 0

TED C. | | 17 January 2020
Diamond for 8 days
great internet!

CHASE F. | | 17 January 2020
The best pocket wifi hands down
I go to Japan every summer and winter to visit family and I have always been renting pocket wifi off of rakuten. My family lives in a rural area of japan where the signal wasn’t very strong and wouldn’t connect half of the time. However, with the Diamond Buddy I had absolutely no issues and always had very strong connection 24/7. I will always use the Diamond WifiBuddy from now on!!!

IMMANUEL M. | | 17 January 2020
Platinum WiFi
Worked great. But how do you know how much data you’ve used? Also, the battery consumption/ charging fluctuated dramatically at times. It would be helpful to provide the directions to optimally charge the unit.

KEVIN Y. | | 16 January 2020
WiFi works well, one of the units came uncharged
We liked the portable wifis and they worked well for the most part. Though, one of the units came uncharged and it was a hassle. Additionally, one of the portable batteries did not work/charge.

PAUL K. | | 16 January 2020
Great experience
The pocket WiFi made this trip much better. We had no issues the whole time, Internet speed was very fast

Quick Setup Guide

  • Requires a SIM Unlocked device with esim capability. If your device is locked, please contact your carrier to unlock it.
  • We include thorough instructions, via email, through our website and with customer service.
  • These are data-only SIM Cards. Carrier-based voice calls and text messaging are NOT supported. However, data-based messaging and telephony solutions such as Skype, Facetime, Whatsapp, Line etc. are supported.
  • To avoid provider validation complications, in some cases when users order far ahead of their actual trip, we will send a confirmation email, with a separate QR code later on, closer to the departure date.