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

Weiwei C. | | 16 July 2015
Excellent experience
Had excellent experience from online ordering to airport post office pickup/drop-off, at the price cheaper than others.

Lee Y. | | 14 July 2015
No frills service
Very prompt response from Tre and connectivity was good during my whole trip.

mang0es | | 08 July 2015
Super duper reliable, and very handy hotspot! We had connection on whenrever we went, from Tokyo to Tsukuba to Mount Takao to Kobe, Kyoto, Nara, and Osaka. We've had three phones connected to it, or two phones and a laptop connected to it! Fast connection on mobile everytime. We've experienced moderate loading speeds on MacBook, but fast loading speeds on mobile phones.

Zachary P. | | 01 July 2015
Great experience overall!
Had a really great experience from pickup to drop-off! The price was very reasonable and the service was consistent throughout my trip to Japan, even in rural areas on the Shinkansen. I would recommend renting one of these for your next trip, as I will be renting one again on my next trip, too!

Siti M. | | 17 June 2015
Always feel connected with Wifi Buddy!
Our 8 days trip will be dulled without this service! Glad that we made a right decision to get the router as it has been our life line to stay connected with the love ones.

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.