eSIMs for Japan

Touching down in Japan, many travelers expect seamless mobile access — until roaming fees start adding up or the search for a local SIM card begins. It can be inconvenient, especially when all you want to do is navigate with Google Maps, book transportation, or use mobile payment apps. That’s where a Japan eSIM makes all the difference.

With instant mobile data activation, eSIMs allow you to stay connected the moment you arrive. Enjoy high-speed 4G/5G coverage across Japan with our handpicked eSIM options. Say goodbye to the hassle of physical SIM cards and explore Japan with greater convenience, flexibility, and cost savings.

Here’s everything you need to know about using an eSIM in Japan.

What is an eSIM?

An eSIM, or embedded SIM, is a digital SIM card that lets you activate a mobile data plan on a compatible device—without the need for a physical SIM card. It’s built directly into your phone, tablet, or other mobile device, making it incredibly convenient and easy to use.

With an eSIM, you can quickly activate a data plan (usually by scanning a QR code) and switch between different carriers or plans without swapping out SIM cards. This makes it an ideal solution for travelers visiting Japan who want reliable, high-speed mobile data without the hassle.

Must-Have Apps for Tourists in Japan

Getting around Japan can be seamless — as long as you’re using the right apps. While some services may feel familiar, Japan has its own ecosystem of transport, payment, and lifestyle apps. Locals rely on trains, cashless payments, and navigation tools that are tailored to Japan’s unique infrastructure. With the right apps, travelers can move around efficiently, avoid language barriers, and make the most of their time in Japan.

💡 Pro Tip for Using Apps in Japan

Before your trip, download and set up these apps while you're still at home to avoid connectivity or registration issues abroad. Set the app language to English (if it’s not the default), and consider linking a payment method that works in Japan — like a prepaid Suica/PASMO card or compatible credit card. Activate your Japan eSIM in advance so you’re connected as soon as you land — ready to book a train, find your hotel, or translate signs on the go.

How to Get an eSIM for Japan

Now that we’ve covered the basics, let’s talk about how you can get your hands on a Japan eSIM. The process is quick and hassle-free. Here’s a step-by-step guide:

Step 1: Check Device Compatibility

Before purchasing a Japan eSIM, make sure your device supports eSIM technology. Most newer smartphones and tablets are compatible, but it’s always best to double-check your device specifications.

Step 2: Choose Your Provider

Trip.com offers some of the best eSIM plans for Japan. Be sure to compare different providers, prices, and data packages to find the one that best fits your travel needs.

Step 3: Purchase Your eSIM

Once you’ve selected your provider, it’s time to purchase your Japan eSIM. Many platforms allow you to browse and compare multiple plans to find the best deal.

Step 4: Activate Your eSIM

Activation steps may vary by provider but typically involve scanning a QR code or entering an activation code. Instructions are usually provided after purchase.

Step 5: Enjoy Your Trip

With your Japan eSIM activated, you’re ready to explore everything Japan has to offer. So grab your eSIM-enabled device, stay connected, and get ready for an unforgettable adventure!

How to setup eSIM?

Step 1: Choose the best eSIM plan

There are several providers that offer Japan eSIMs. Choose the one that best suits your needs.

Step 2: Select the data package

Once you've chosen a provider, you'll need to purchase a data plan that suits your needs.

Step 3: Receive your booking confirmation

Open the eSIM activation email, and the eSIM activation QR code will be displayed in this email.

Step 4: Add your eSIM

1. Click Settings on your mobile phone and open Cellular (iOS) or SIM Card Management (Android).
2. Click to add a Cellular Plan (iOS) or SIM Card (Android), and then agree to download Cellular Plan (iOS) or SIM Card (Android).
3. After the download is successful, close the primary card if you already have.

Step 5: Scan the QR code to activate your eSIM

Enable the Cellular Plan (iOS) or SIM Card (Android), turn on roaming to connect to the network, and then can surf the Internet normally.

Note: If there is no network after enabling, please turn on the airplane mode and then turn off or restart the phone.

How to close?

Open the open Cellular (iOS) or SIM Card Management (Android), and click to turn off the Cellular Plan (iOS) or SIM Card (Android) (the steps of enabling and disabling are the same).

Comparison of Japan eSIM Providers

If you're planning a trip to Japan, choosing the right eSIM provider can make a big difference in staying connected throughout your journey. Here's a comparison of popular eSIM providers that offer coverage in Japan, along with their key features and pricing.

Airalo

Airalo offers eSIM coverage in Japan with a variety of data plans tailored to different travel needs. You can choose from short-term to longer validity periods, depending on your data usage.

Holafly

Holafly specializes in unlimited data plans for short-term stays. It's known for easy activation and competitive pricing, making it a convenient option for travelers visiting Japan.

Flexiroam

Flexiroam is a reliable eSIM provider in Japan, offering strong coverage across both urban and rural areas. Its flexible data plans and broad network access make it a solid choice for travelers looking for consistent connectivity.

Trip.com

Trip.com offers one of the most affordable eSIM plans for Japan, ranging from small data packages to high-volume plans. It’s perfect for travelers looking to customize their data usage according to the length of their stay.

Who Are the Main Telco Operators in Japan?

NTT Docomo

NTT Docomo is Japan’s largest mobile network operator, known for its extensive nationwide coverage and reliable 4G and 5G services. They offer a variety of prepaid and postpaid plans, including eSIM support for compatible devices.

SoftBank

SoftBank is a major player in Japan’s telecommunications market, providing strong network coverage and competitive data plans. They support eSIM on many devices and cater to both local users and international travelers.

au by KDDI

au by KDDI is another leading telco in Japan, offering comprehensive coverage across urban and rural areas. They provide a wide range of data packages with eSIM options and are praised for their fast and stable connections.

Rakuten Mobile

Rakuten Mobile is a newer but rapidly growing telco offering affordable plans with eSIM support. Their innovative pricing models and expanding network coverage have made them popular among budget-conscious users.

How to Choose the Best Japan eSIM?

Coverage

Check the network coverage in the areas you plan to visit. Japan’s telcos vary in rural and urban reach, so choose a provider with reliable coverage where you’ll be traveling. Reading reviews from other travelers can also help gauge network quality.

Usage

If you’re a light user, a 1GB per day plan might suffice. For those who frequently stream videos or use navigation apps, 2GB or more per day is recommended.

Pricing

Compare the data plans and prices from different providers to find one that fits your budget without compromising on quality.

Flexibility

Look for providers offering customizable plans or options to top up data easily. Flexibility ensures a better experience if your needs change during your trip.

Services

Consider any additional services such as international roaming options, discounts, or quality customer support, which can enhance your overall experience in Japan.

Comparison of eSIM, SIM and WIFI

Who Is Suitable for Using a Japan eSIM?

Here are some examples of who might benefit from using a Japan eSIM. Ultimately, it depends on your individual needs and preferences.

Frequent Travelers

If you travel to Japan often, an eSIM offers a convenient way to stay connected without the hassle of searching for a local SIM card or incurring costly roaming charges.

Business Travelers

For business travelers who need reliable connectivity on the go, a Japan eSIM provides a cost-effective and efficient solution to stay in touch and manage work remotely.

Tourists

If you’re visiting Japan as a tourist, an eSIM can simplify your trip by allowing you to use your phone just like you would at home—without worrying about expensive roaming fees or finding a local SIM.

Students

For students studying in Japan, an eSIM offers an easy way to stay connected with family and friends back home, avoiding high international calling costs and the inconvenience of physical SIM swaps.

Why You Should Choose an eSIM When Touring Japan

Why opt for a Japan eSIM on your next trip? eSIMs offer several advantages over traditional SIM cards. Here are a few reasons to consider making the switch:

Dual SIM Convenience

Forget the hassle of managing two physical SIM cards. With an eSIM, you can use two active lines simultaneously on a single device—perfect for keeping your home and travel numbers separate.

Travel-Friendly

No more searching for or swapping SIM cards while on the move. An eSIM lets you switch between profiles easily and instantly, making it an ideal companion for travelers exploring Japan.

Connectivity on Demand

Want to connect multiple devices? An eSIM allows you to share your mobile data plan with compatible devices like smartwatches—without needing additional physical SIM cards.

Future-Proof

As technology evolves, telecommunications continue to advance. Using eSIM technology keeps you ahead of the curve, ensuring your connectivity stays seamless and up to date during your travels.

Find the Best Japan eSIM Plans on Trip.com

As you prepare to embark on your Japan adventure, equip yourself with the travel essential that will transform your connectivity experience. With a Japan eSIM, you’ll stay seamlessly connected throughout this fascinating and vibrant country while enjoying the convenience of dual SIM functionality, easy profile switching, and the ability to share your mobile plan with other devices.

Embrace the future of travel connectivity with eSIM technology and explore Japan with confidence, knowing that staying connected has never been easier. Bon voyage!