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

DOUGLAS L. | | 12 December 2019
Excellent for the most part.
Excellent for the most part. Had to call once to get the unit to start working again. All I had to do was to reboot, which was quite simple - perhaps this could be put in instruction sheet (I admit I might have missed this). Absolutely made the trip much more enjoyable and efficient. Don’t think I could have done without it!

TYSON-PHIT S. | | 12 December 2019
Great speed, a d
Great speed, a d

FRED W. | | 11 December 2019
Dec Japan Trip
Wifi Buddy was a big help, only issue is that battery only lasted about 5 ~ 6 hours instead of 10, otherwise was a big help on my business trip.

DAYES A. | | 11 December 2019
Great service
Always had good coverage and speed was good. Only issue was that the battery life would die pretty quickly. Included was a little battery bank which was a must if you were going to use it for a good portion of the day. Would rent again. Extremely easy pick up and drop off.

MARC D. | | 11 December 2019
Top notch
Everything you want. Unlimited, non-throttled data. Comes with a battery pack so the battery lasts all day. Excellent customer service.

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.