eSIM for Japan: Compare, buy, and travel connected

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Want to visit Tokyo? Want to relax at Ishigaki Island? Japan is an amazing country with such a rich history. But how can you possibly share your experiences across this wonderland if you can’t connect to the internet?

Sure you can connect to public wifi networks, you can use roaming services, or maybe even a pocket wifi service, but is it really worth it? Are they truly reliable? We want to dive deep into new technology that has risen as one of the best options to connect to the internet while traveling. Let’s welcome the eSIM for Japan!

The eSIM (short for “embedded SIM“) is a virtual SIM card that will provide a fast and reliable internet connection and make your trip a much better experience.

We recommend the eSIM as your alternative to expensive data roaming charges in Japan. This will save you a lot of money if you want to remain connected!

Let’s take a look at several companies that offer these types of services so you can get a better idea.

esim japan
  • High speed connection without surprise bills.
  • Receive your QR code immediately.
  • Connect to the best network.
  • Forget about roaming and searching for WiFi.
  • Keep your WhatsApp number.
  • Easy to set up: you’ll receive an email with your eSIM in seconds, no matter where you are.
  • Get 5% OFF! Code: roaming5

eSIM Japan card need to know information:

Keep in mind that eSIM technology is still relatively new and so not all phones are currently compatible. Take a look at the following suggestions before you buy:

  • You must have an eSIM card compatible cell phone and make sure that your cellphone is also supported by the carrier or the eSIM card provider. Generally, iPhone XR and later models are the most compatible. 
  • You need an email address to receive your eSIM.
  • To activate your eSIM you need a prior internet connection. Scan the QR code or use the instalation code to, download the profile from the provider server.
  • Some providers may ask you to install their app to download the eSIM.

If you can’t buy an eSIM, you can purchase a physical SIM card for travelers instead.

Buy your eSIM Japan

5% OFF!


Mobile eSIM card providers for travel in Japan

In case your phone is not compatible with the eSIM, then our recommendation is to use a traditional physical SIM card for Japan. This physical SIM card comes with unlimited data calls! On the other hand, if you do have a compatible phone, we’ve got the perfect product for you!

Let’s take a look at the companies that sell international eSIM cards:

  • Holafly
  • Au by KDDI
  • SIM2Fly

Rates and data plans from eSIM providers for travel to Japan

Let’s take a look at the different companies that offer an eSIM for Japan.

Holafly plans and prices in Japan:

  • 6GB for 12 days at $37 USD
  • 8GB for 30 days for $47 USD

Au by KDDI plans and rates for Japan:

  • 5GB for 30 days at $52
  • 8GB for 30 days at $81

SIM2Fly plans and tariffs in Japan:

  • 6GB for 8 days at $19
  • 6GB for 15 days at $37

Comparison of eSIM providers for Japan

ProviderDataDaysPrice (USD)Sales channels
Au by KDDI 5GB30 $52 App Store, Google Play
Au by KDDI8GB30$81App Store, Google Play
SIM2Fly 6GB 8$19 Web
TravelSIM250MB14 $31 Web
TravelSIM 5GB30 $181 Web
Table 1. Comparison of eSIM providers for connecting to the Internet in Japan.

Features of eSIMs for travel to Japan

Read thoroughly the following information regarding the eSIM card so that your trip to Japan is worry-free

  • Most eSIM cards do not offer mobile calls, only data. You can use apps like WhatsApp or Skype instead.
  • eSIMs can only be installed once, so if encounter any problems don’t remove it from your cellphone, instead contact your eSIM provider.
  • Some eSIMs set up automatic APNs.
  • You can add several data plans on your cellphone, although it is only possible to use one at a time.
  • Some eSIMs allow you to share data between devices.
  • With your dual SIM iPhone, you can keep your local SIM when you travel to Europe. 

eSIM coverage for travel to Japan

It is very important that you keep in mind your eSIMs coverage, as cheap eSIMs often have poor coverage. Therefore, the eSIM cards that will offer you the best network coverage on your trip to Japan are those that have the most roaming agreements with the main operators such as NTT-Docomo, Softbank, and AU. See the following coverage maps for the main network operators.

NTT-Docomo 3G coverage map in Japan

coverage map with an esim in japan
Coverage map with NTT DOCOMO in Japan Source: GSMA

Softbank’s 3G network coverage in Japan

coverage map in japan
Coverage map with SoftBank in Japan Source: GSMA

AU’s 3G coverage map in Japan

coverage map with a KDDI esim in japan
Coverage map with UA in Japan. Source: GSMA

Frequently asked questions about eSIM in Japan

We answer the most common questions you may have before purchasing your eSIM to travel to Japan.

Do I need a passport to buy the eSIM Japan card?

No, but some providers may require your address.

How to activate eSIM for Japan?

Install the eSIM with a QR code from your email, chose it as the default mobile data medium, turn on mobile data and data roaming, and your virtual SIM will work. Contact the company if you have any problems.

Can I share data between devices with the eSIM in Japan?

Sharing is caring, right? Well with an eSIM from Holafly you can share data between devices, so your family and friends can connect too.

Do international prepaid eSIM cards expire?

Yes, just like physical cards, virtual SIM cards also have an expiration date.

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