Just enter your email, name, and desired password! Registration takes only 1 minute!
eSIM Issuance
After registration, you’ll instantly receive your eSIM.
Ready to Use!
Just follow the setup steps and you’ll be online in Japan right away.
“Video” eSIM Start Guid
Free Yet Powerful
Why WG FREE eSIM is Amazing
Free to Use 500MB
Recharge Anytime*
Reliable High-Speed Network with Japanese Quality
AI Support 365 Days a Year
Multilingual Call Center for Setup Support
* Recharge options are available at affordable prices.
Reliable Recharge Functionality
Set it up once and use it continuously. Recharge instantly when needed!
Reusable Immediately After Running Out of Data
Stay connected without interruptions—even while traveling.
Recharge Only What You Use—No Waste
Adjust data volume freely to match your travel style.
No SIM Swap or New Purchase Required
Install once, and recharge to use it again—easy and convenient.
Usable Not Just During This Trip—Also for Future Visits
You can reuse the same eSIM when you visit Japan again.*
Easy Recharge with Credit Card
Multilingual recharge page for smooth and easy payment.
Prepaid System—No Surprise Charges
No monthly contract—just charge what you need with peace of mind.
User Testimonials
Amazing to use it right after arrival!
It was my first trip to Japan, and right after landing at Narita Airport, I was worried: 'Will I really be able to connect to the internet?' On past trips, I had struggled to buy a local SIM or wandered around looking for Wi-Fi. So I braced myself for the same. But this eSIM was different. Because I had registered in advance, I just opened my phone after landing and was instantly connected. I could use maps and translation apps right away—it was truly amazing. I’ve never had such a smooth start to a trip!
Thanks to the map app, I didn’t get lost
While looking for my hotel in Shinjuku, Tokyo, I’m sure I would have gotten lost without Google Maps. There were just too many exits at the station, and the buildings all looked alike. To make it worse, paper maps and station signs were mostly in Japanese, which was confusing. But thanks to this eSIM, I could check my real-time location on my phone and smoothly reached my destination. And the fact that I could use it for free? Absolutely amazing!
It was a stress-free trip even with kids
We were traveling as a family with our 5- and 8-year-old kids. Traveling with children rarely goes exactly as planned—there are often unexpected illnesses or last-minute searches for diaper changing areas, so we had to look things up online constantly. One day, our child fell at a tourist site, and we needed to find a nearby hospital. Thanks to the eSIM, we could search Google instantly—it was a lifesaver. We quickly found an English-speaking pediatric clinic and got proper care. When traveling with kids, having internet is absolutely essential!
I was able to cut travel costs
This trip to Japan had a clear goal: keeping costs low. Normally, buying a SIM card at the airport costs between 3,000 to 5,000 yen, so I was trying to figure out how to cut down on data costs. Then I found this eSIM, which gave me 500MB for free just by signing up—so I jumped on it. That amount lasted me two days after arrival, and I was able to search for all the info I needed. When I needed more, the top-up was inexpensive and only added when necessary. With the money I saved, I even got an extra bowl of ramen!
Easy to use even for a senior couple
We are a couple in our 60s and not very familiar with smartphones, but setting up this eSIM was incredibly easy. All we had to do was scan the QR code from the registration email, and the connection started automatically—it was amazing. During the trip, we used our phones to check maps and use translation apps, and even though we’re not tech-savvy, we had no trouble using it. Since we can’t read Japanese, having a reliable connection gave us peace of mind throughout our journey. We’re truly grateful!
Glad I didn't have to panic at the airport
I'm the kind of person who gets anxious when I can't access the internet right after landing, so I was worried again this time. On past trips, I had to wait in long lines at airport SIM card counters and sometimes it took over an hour just to get connected. But with this eSIM, I had pre-registered and was online the moment I arrived. No need to mess with airport Wi-Fi settings—I could immediately check train schedules and directions to my hotel. While other travelers were rushing around, I felt calm and in control, which gave me incredible peace of mind.
I was able to contact my family via LINE
I arrived in Japan late at night and knew my parents would be worried. The airport Wi-Fi was crowded and unstable, and the SIM card counters were already closed—I felt hopeless. But thanks to this eSIM, I was already connected! I was able to send a message and photo on LINE right away saying, 'I arrived safely.' My mom was especially relieved and even said, 'Thank you for the eSIM!' It really made me realize that the safety of a trip starts with staying connected to your family.
Even with an unexpected stay, I had no trouble with internet
My return flight was unexpectedly canceled due to a typhoon, and I had to stay an extra night. I panicked because I had to arrange a new hotel and airline ticket entirely on my phone. At that point, I was almost out of data, but thankfully I could quickly recharge my eSIM. That allowed me to stay in touch with the travel agency, change my bookings, and use translation apps without issue. If I hadn't been able to recharge, I would’ve been completely stuck at the airport. In times of disaster or trouble, this kind of functionality is truly a lifeline.
Even in remote mountain areas without Wi-Fi, recharge gave me peace of mind
We stayed at a hot spring inn deep in the mountains of Nagano, where the Wi-Fi signal inside was extremely weak and my phone kept disconnecting. On top of that, I ran out of eSIM data right before checkout, which made me panic. Fortunately, I managed to get a bit of signal outside and was able to recharge instantly, allowing me to check the route for our next destination. In mountainous areas where Wi-Fi can’t be relied on, this ability to quickly top up data is incredibly reassuring.
Peace of mind using the same connection while traveling across multiple cities
We were traveling through Tokyo, Osaka, and Hiroshima, and buying a new SIM in each city would have been a hassle. With this eSIM, not only did I have free data, but I could keep using the same number and settings by simply recharging—it was incredibly convenient. Especially while on the move, I needed to look things up constantly, which used up data quickly, but just a quick recharge solved everything. Having uninterrupted internet throughout the journey really gave me peace of mind.
Done in 1 minute.
Connect to the internet instantly with a free eSIM!
With just a 1-minute registration, you can instantly access internet in Japan—perfect for travelers and long-term visitors. As long as you have a smartphone, you can connect at airports or tourist spots. If you run out of data, simply recharge what you need without waste.
An eSIM is a digital SIM built into your smartphone. It allows you to connect without swapping physical SIM cards and makes setup easy.
Which smartphones are compatible with eSIM?
You can use eSIM on SIM-free smartphones that support eSIM functionality.
How can I get the free 500MB?
After registering as a member and issuing the eSIM, you’ll receive 500MB of free data.
Can I set up the eSIM before arriving in Japan?
Yes, you can register and install the eSIM before your trip, but since it has an expiration period, we recommend activating it after you arrive in Japan.
How fast is the connection speed?
We use NTT’s network, so you’ll enjoy stable, high-speed 4G LTE connectivity (coverage may vary by area).
Can I make calls or send SMS?
This service is data-only, so voice calls and SMS are not supported.
Can I use LINE or other apps?
With a data-only eSIM, some features that require new LINE registration or SMS verification may not be available. Apps that rely mainly on data, like WhatsApp or Messenger, usually work fine.
Can I use it on a SIM-locked smartphone?
No, it can only be used with SIM-free (unlocked) devices.
What should I do if eSIM installation fails?
Support is available 24/7 via AI chat or a multilingual call center.
Where can I check my eSIM data balance?
Currently, there is no function to check data balance. We plan to add this feature in the future.
What happens when I use up all my data?
Your connection will be suspended, but you can restore it by purchasing a recharge.
What payment methods are available for recharge?
Payment via credit card is supported.
Can I use the recharge immediately?
Recharge becomes available 24 hours after eSIM installation.
Can I recharge as many times as I want?
Yes, you can recharge as many times as needed.
Does the recharged data have an expiration date?
Yes, recharged plans have an expiration date. Please check carefully when selecting your plan.
Can I use the same eSIM after changing phones?
When changing devices, you need to reissue and reinstall a new eSIM profile.
Can I use this eSIM outside of Japan?
This eSIM is for use within Japan only. It cannot be used outside of Japan.
Can I reuse the same eSIM when I visit Japan again?
Yes. As long as it’s within the validity period, you can recharge and use it again on your next visit.
Can I choose when to start using data?
Yes. The eSIM is activated after installation, so you can start using data once you arrive in Japan.
Is my personal and payment information securely handled?
Yes. All data is encrypted with SSL and strictly managed in a secure environment.
Can I use a physical SIM card and an eSIM at the same time?
It depends on your device. If your device supports dual SIM, you can use both a physical SIM and an eSIM at the same time. If it does not, you can only use one SIM at a time.
What types of devices support eSIM?
All SIM-free devices that support eSIM. * If your device is not SIM-free, you cannot use eSIM. To unlock your device, please contact your device provider or manufacturer. WG FREE eSIM cannot assist with SIM lock issues, so be sure to check before purchase.
What is a SIM-free device?
A SIM-free device is one without restrictions on the SIM card. Depending on the country, carrier, or store, some devices may be locked or restricted. Please check if your device is SIM-free before purchasing an eSIM.
How can I check if my device is SIM-free?
For iPhone users: Go to Settings > General > About > Carrier Lock. If it says "No SIM restrictions," your device is SIM-free. If it says "SIM locked," your device is locked and you’ll need to unlock it before using an eSIM.
For Android users: (Steps may vary by manufacturer) Go to Settings > About phone > SIM status > SIM lock. If it says "No SIM restrictions" or "SIM allowed," your device is SIM-free. If you need more help, please contact your device seller or manufacturer.