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eSIM Japan

Stay connected in Japan with Japan eSIM plans from local providers such as au by KDDI while our Smartroam plans connect you to Japan's NTT Docomo network..

AU Japan
Filter
Network Provider
Plan
Speed
Plan Length (Days)
Data
Unlimited GB
Price
US$0.00US$77.50
Other
Unlimited eSIM
Japan
AU
Duration
4 Days
Plan
Data
Speed
4G / 5G
Price
US$13.50
Japan's 5G You Can Trust

Top Seller

Unlimited eSIM
Japan
AU
Duration
10 Days
Plan
Data
Speed
4G / 5G
Price
US$29.00
Japan's 5G You Can Trust

Best Value

Unlimited eSIM
Japan
AU
Duration
15 Days
Plan
Data
Speed
4G / 5G
Price
US$39.00
Japan's 5G You Can Trust

Top Seller

Unlimited eSIM
Japan
AU
Duration
7 Days
Plan
Data
Speed
4G / 5G
Price
US$22.50
Japan's 5G You Can Trust

Top Seller

Unlimited eSIM
Japan
AU
Duration
30 Days
Plan
Data
Speed
4G / 5G
Price
US$77.50
Japan's 5G You Can Trust

How does the Sim Local eSIM work?

1

Choose an eSIM plan for your trip

Select the destination you’re traveling to and choose your data plan. Remember to check if your mobile device is compatible.

2

Follow Guided Instructions

Purchase your plan. Install your eSIM 1 day before the trip and follow our step-by-step instructions to install your eSIM.

3

Connect Instantly

When you arrive, you'll connect to the same 4G and 5G networks as the locals!

Trusted by more than 4 million customers worldwide
Over 15 years connecting travellers

Curious what you can do with 10GB Daily Data in Japan vs Throttled Speeds?

Activity/AppHigh-Speed Data (10GB load time)Throttled Data (after 3/5GB load time)
YouTube LogoSmooth playback10-30 sec buffer
Netflix logoSmooth playback20-60 sec buffer
TikTok LogoScroll smoothlyConstant bufferring
Google Maps logoInstant loading & navigationMay not load fully
MS Teams LogoHD video & audioCall drops frequently
Spotify LogoHigh-quality audioLower quality, skips
Google Chrome logoFast browsing & email syncPartial load, email delays

They are Talking About Us

Find My Plan

  • Pinpoint the perfect eSIM plan in seconds!
  • Personalised recommendations for your trip.
  • An even faster way to escape roaming charges...
Try it out

We’re Bringing
The Big Brands To eSIM

Why risk it with generic, own-brand plans? Sim Local connects you to the #1 network provider in more countries than anyone else. The result? A travel eSIM that actually works—or your money back.
coin
No Quibble Refunds
Get your money back if you change your mind!
heart
Trusted Local Networks
Enjoy priority speeds with a local eSIM plan—no more roaming delays.
simhelp
Help In A Hurry
Speak to us, we are available and online 24/7
thunder
Connect Instantly
Get connected before you’ve even collected your luggage.
switch
Free Yourself Of Roaming Charges
Grab a pay-as-you-go eSIM plan for just 10% of roaming costs!
phone
Not Just ‘Data Only’
Calls and texts available (in popular destinations).
coin
No Quibble Refunds
Get your money back if you change your mind!
heart
Trusted Local Networks
Enjoy priority speeds with a local eSIM plan—no more roaming delays.
simhelp
Help In A Hurry
Speak to us, we are available and online 24/7
thunder
Connect Instantly
Get connected before you’ve even collected your luggage.
switch
Free Yourself Of Roaming Charges
Grab a pay-as-you-go eSIM plan for just 10% of roaming costs!
phone
Not Just ‘Data Only’
Calls and texts available (in popular destinations).

Top eSIM Questions, Answered

What is an eSIM? How does it work?
An eSIM is a digital SIM that simplifies staying connected while traveling abroad, eliminating the need to swap physical SIM cards. More importantly, it means you can avoid expensive roaming charges. Simply download a plan and connect in a few taps!
Is my phone compatible with eSIM
Most smartphones today support eSIM technology, but there are still a few models that do not. Easily check if your smartphone or tablet is eSIM-compatible using our compatibility checker.
Why choose Sim Local?
Sim Local connects you to trusted local networks in 150+ countries. With a plan from a local provider, you can ditch slow and expensive roaming products and unlock the fastest possible internet speeds.
How to activate an eSIM
An eSIM can be installed with a few changes in your phone settings—no physical SIM card swapping required! Check out our quick guides for installing on iOS and Android.
How long does it take to activate an eSIM?
The fastest way to install an eSIM is through the Sim Local app. Download a plan and get online in a couple of minutes!
How to get an eSIM
Getting an eSIM is super easy! Simply purchase a plan online and follow guided instructions in the app (or email sent to your inbox).
How many eSIMs can I have on my phone?
You can have multiple active plans (usually up to 10) on your phone and instantly switch between as you travel from country to country. Some devices will limit the number of eSIMs you can store on your phone, so you may need to remove an old eSIM to activate a new one.

We’ve Connected Millions Of Happy Customers...

Easiest to set up of the few similar apps I've used, online straight away and no need to think of it again.
John (Google Play Store)
The signal was great in all countries and the 10GB was enough for those 14 days. It was totally worth it. Highly recommend the global option!
Tereza (Tripadvisor)
Easy to install, great connection, and affordable plans. You also get a free trial for 1 day when you sign up on the app, so even better!
Aoibheann (Apple Store)
Very user friendly and has made travelling much easier by taking the roaming stress away.
Anna (Google Play Store)
With Sim Local, I can now choose from a wider variety of data plans, which are cheaper and cover more countries, while also being able to call my family during my travels or even send an SMS.
M (TrustPilot)
I was able to buy a UK and EU eSIM plans very cost effectively. Worked a treat. Highly recommend.
Simon (TrustPilot)

Need help?

Find answers in our Help Centre or connect with us via WhatsApp or Email.
You can also visit any of our airport stores to talk in person. Check our Store Locator.

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