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

HANNAH D. | | 21 January 2020
Good Service, Died Often
We had our WifiBuddy for a one-month trip around Japan. Having a pocket wifi is an absolute MUST - which is why it was frustrating that our pocket wifi often died after only 5-6 hours of use, when we were out for 12+ hours many days. It came with a portable charger that was terrible and would only charge the wifibuddy for about 20 minutes before dying, so we just used our own portable charger that we brought. HOWEVER, we found that the wifibuddy had excellent service across all parts of Japan, even the rural places we went to. It was also an excellent value with prices about half of what other companies wanted to charge. Overall, it was a good value and I would rent again. Just make sure to have your own portable charger, with a large capacity, to charge the wifibuddy and your own devices!

DAVID M. | | 21 January 2020
Thanks WiFi buddy!
Super helpful team of people and the WiFi was very reliable everywhere I went! The unlimited WiFi was truly unlimited.

CAROLINE H. | | 19 January 2020

CHRISTY L. | | 18 January 2020
Diamond Wifi
Easy process to obtain the WiFi and it worked perfectly throughout my 5 day stay in Japan. Would highly recommend!

KEVIN J. | | 18 January 2020
Great Product and Company
We used our WiFi buddy for two weeks while we were in Japan. Everything worked great. We picked it up at the airport post office when we arrived and dropped it off there when we left . Everything was super convenient and a great price. This is our second time using it and we will use it on future trips too.

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.