Best SIM card for Japan travel: The top 5

By: Daisy Taylor

26 December 2023

Planning my trip to Japan was super exciting, but figuring out the best way to stay connected was a bit of a puzzle. That’s why I decided to dive into the world of SIM cards, and boy, did I discover some gems! 

In this guide, I’ll spill the beans on the best SIM card for Japan adventure. Trust me, I’ve been there – the struggle of finding the right one is real. So, I’m sharing my story and the lowdown on these fantastic options to make your life easier. Let’s talk about unlimited data, smooth navigation, and staying in touch hassle-free. No more worrying about roaming charges or hunting for WiFi spots – I’ve got you covered!

Should I get a SIM card when traveling to Japan?

Yes, getting a SIM card when traveling to Japan is highly recommended. Having a local SIM card provides you with essential benefits such as seamless and affordable access to mobile data, which is crucial for navigation, communication, and accessing online information. 

best sim card for japan
Opt for a SIM card when traveling to Japan is a wise choice. Credit: Inside Osaka

Japan has a well-developed and efficient mobile network, and having a local SIM card ensures that you can stay connected throughout your journey. It allows you to use map apps, translation tools, and stay in touch with friends and family without incurring expensive roaming charges. 

What is the best SIM card for Japan?

   1. SoftBank SIM card

best sim card for japan
This is undeniably the best SIM card for Japan travel. Credit: Hallo Internet

SoftBank SIM cards stand out as a compelling option for travelers and temporary residents in Japan, offering a range of advantages. One notable strength is the extensive coverage provided by SoftBank’s network, ensuring connectivity even in remote areas, which proves especially beneficial for those exploring beyond major cities. 

The flexibility of their prepaid plans is another plus, allowing users to tailor their choice based on data needs, validity periods, and budget constraints. Accessibility is key, with SIM cards readily available at airports, convenience stores, and online platforms, and the activation process is generally straightforward, accommodating those with minimal Japanese language skills.

Moreover, SoftBank’s network impresses with fast 4G and 5G connectivity across most regions, facilitating smooth browsing, streaming, and video calls. The availability of SIM cards in various sizes ensures compatibility with a wide range of smartphones. 

However, potential drawbacks include comparatively higher prices, especially for larger data allowances, and limitations on tethering, either with restrictions or additional costs. Additionally, users should be cautious about potential throttling after exceeding data limits and any hidden fees, such as activation costs or top-up minimums. Careful consideration of these factors will help travelers determine whether a SoftBank SIM card aligns with their specific needs and preferences.

What I like: 

  • A wide coverage throughout the country
  • Flexible data plan options
  • 4G and 5G connectivity for reliable connection 

What I don’t like:

  • Hidden fees
  • Higher prices compared to other providers

Click here to try the SoftBank SIM card today!

   2. B-mobile SIM card

best sim card for japan
I always recommend my friend that B-mobile is a top choice for Japan travel. Credit: Amazon Japan

B-mobile emerges as a compelling choice for travelers seeking a reliable and affordable SIM card for their Japan trip. Leveraging the expansive Docomo network, b-mobile ensures extensive coverage, reaching even remote areas like the Japanese Alps and Okinawa. The affordability of their prepaid plans, notably the Visitor SIM with unlimited data for 3, 7, or 15 days starting at around ¥2,000, caters to diverse needs and budgets. The ease of setup, available online or at local stores, coupled with clear English instructions, enhances user convenience.

Unlike some competitors, B-mobile permits tethering, enabling users to share their internet connection with other devices. While not the fastest, the data speeds are generally sufficient for various online activities. 

However, potential travelers should consider the limitations, such as the absence of calls and SMS in the Visitor SIM package, requiring a separate plan or credit top-up for communication needs. Additionally, customer support is available only in Japanese, posing a challenge for non-Japanese speakers. There’s also a potential for speed throttling during peak hours or congested areas.

What I like: 

  • Decomo network for reliability 
  • Affordable plans
  • No tethering restrictions

What I don’t like:

  • No calls or SMS included

Click here to try the B-mobile SIM card today!

   3. Sakura Mobile SIM card

best sim card for japan
In the realm of Japan’s telecommunications for tourists, Sakura Mobile emerges as a leading choice. Credit: KKday

Geared towards short-term visitors, the provider presents several advantages. Firstly, it excels in convenience, providing diverse plans tailored to various needs, from short-term tourist SIM cards to longer-term data-only options. Ordering online and picking up at the airport or having it delivered to your accommodation is seamlessly achievable. 

Notably, Sakura Mobile stands out for its english support, a rarity among Japanese providers, accessible through their website, app, and email. Operating on the reliable SoftBank network ensures wide coverage, even in rural areas, and offers reasonable prices, especially for unlimited data plans. 

However, users should be mindful of potential limitations, including data caps, throttled speeds during peak hours, and reported challenges with customer service. 

What I like: 

  • Reliable coverage throughout the country
  • A variety of plans
  • Supportive customer sevice

What I don’t like:

Click here to try the Sakura Mobile SIM card today!

   4. Nippon SIM card

best sim card for japan
Nippon SIM emerges as a favorable choice for those seeking reliable and affordable internet access. Credit: Bic Camera

Positively, Nippon SIM stands out for its robust and reliable network, garnering praise for excellent coverage even in rural areas. The availability of multiple data plans addressing diverse needs and budgets is another notable advantage. I appreciated the ease of setup and activation, often requiring no more than scanning a QR code. 

The cost-effectiveness of Nippon SIM compared to roaming charges or other options is consistently mentioned, as is the availability of multilingual customer support. 

However, the card’s limitations include its exclusive focus on data, lacking voice calls and SMS features, which may inconvenience some users. Tethering restrictions and occasional technical issues, such as connection drops, were also reported. Additionally, a few reviews noted that instructions in the manual could be clearer, especially for non-Japanese speakers. 

What I like: 

  • Multilingual support
  • Strong and reliable network
  • Flexible data options

What I don’t like:

  • Data only
  • Tethering limitations

Click here to try the Nippon SIM card today!

   5. Klook SIM card

best sim card for japan
Another candidate in the best SIM card for Japan travel list is from Klook. Credit: Eat and Travel with us

When considering a SIM card for your Japan travel, Klook provides various options catering to different needs and preferences. One popular choice is the “Unlimited Japan 4G Tourist SIM Card,” offering unlimited data with speeds up to 100Mbps for 7, 14, or 30 days. It is ideal for data-intensive activities like streaming and navigation, even allowing free tethering. 

If airport convenience is a priority, the “Japan Airport Pickup 4G/3G Data SIM Card” allows online ordering with home delivery, featuring pre-loaded data packages for flexibility. For those planning extensive train travel, the “JR East & Docomo Wi-Fi SIM Card” provides unlimited data on the JR East network and free Wi-Fi at Docomo hotspots nationwide. 

Ordering is convenient, allowing delivery to your home or pickup at the airport. Activation instructions are included in the package, ensuring a seamless and connected experience throughout your Japan journey.

What I like: 

  • Pre-loaded data
  • Unlimited data option
  • Lots of deals for tourists during peak season

What I don’t like:

  • None

Click here to try the Klook SIM card today!

eSIM – The best alternative of SIM card for Japan

best sim card for japan
eSIMs can streamline the connectivity experience, offering an efficient alternative to the traditional SIM card. Credit: Inside Telecom

eSIM technology has emerged as a highly convenient and efficient alternative to traditional SIM cards, offering a seamless connectivity solution for travelers in Japan. Many mobile operators in Japan support eSIM, providing an easy and quick setup process. 

With an eSIM, travelers can enjoy the benefits of local connectivity without the hassle of acquiring and inserting a physical card. This technology is particularly advantageous for those with eSIM-compatible devices, offering flexibility and the ability to switch between different mobile plans effortlessly.

Consider opting for some good Japan eSIMs for an unparalleled connectivity experience during your Japan trip. You enjoy the convenience of unlimited data, easily activated through a QR code for instant connection. The inclusion of a VPN ensures unrestricted browsing, adding an extra layer of security to your online activities. What sets it apart is the ability to retain your WhatsApp number on your mobile phone, ensuring seamless communication. Connect to the best networks in Japan without the hassle of roaming charges or the need to search for public WiFi networks. 

FAQs

   1. Where to buy a SIM card for Japan travel?

Firstly, airport kiosks serve as accessible hubs for obtaining a SIM card immediately upon arrival. These kiosks offer a range of plans, accommodating various data requirements and durations, simplifying the process for travelers. 

Additionally, Japan’s extensive network of convenience stores, including renowned chains like 7-Eleven and Lawson, presents another convenient option for purchasing SIM cards. These stores often stock a variety of cards, allowing travelers to make a quick and easy purchase on the fly.

Moreover, exploring official stores of Japanese mobile network providers like NTT Docomo, SoftBank, or KDDI allows for a direct purchase, enabling travelers to discuss and tailor plans with knowledgeable staff. 

   2. Can foreigners buy SIM cards in Japan?

best sim card for japan
There are several ways that travellers can buy SIM card in Japan. Credit: Tokyo Cheapo

Absolutely, foreigners can easily purchase SIM cards in Japan. The country is well-equipped to cater to the connectivity needs of international travelers, ensuring a seamless experience throughout their stay.

   3. How to activate a SIM card in Japan?

Activating a SIM card in Japan is a quick process:

  • Step 1: Buy a SIM card and insert it into your unlocked device.
  • Step 2: Restart your device to recognize the new SIM card.
  • Step 3: Follow any on-screen instructions that appear.
  • Step 4: Verify network connection and test call, text, and data services.
  • Step 5: Contact customer support for assistance if any issues arise during activation.

By following these five steps, you will have your SIM card activated swiftly, ensuring a smooth and connected experience in Japan.

Wrap up

In conclusion, choosing the best SIM card for Japan is a decision that can make or break your travel experience. With this guide, you are equipped to make an informed choice that aligns with your connectivity needs. Stay connected, share your moments, and make your journey through Japan unforgettable with the perfect SIM card by your side.

Do you have any recommendations? Please leave a comment to let me know. Moreover, don’t forget to share this article with your friends too! Thanks for coming. 

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