6 Best SIM Cards in Japan (2024)

A SIM card is one of the most popular options to get the internet connection when you visit and stay in Japan. There are some advantages on other internet options in SIM cards.

The cheapest rate to use the internet is one thing. You can also keep using your own cell phone in Japan by just changing your SIM card. For those who don’t want to carry a pocket WiFi or install a fixed internet router at home, it is highly recommended to get a Japanese SIM card.

Each communication company in Japan offers various SIM plans for varying terms, optional international texting and calling, which is why a SIM card is perfect for both short-term travelers and long-term stayers.

Here are 6 best SIM card options in Japan with a comparison of prices, data amount, network, etc. Their websites are available in English, so it is easy for you to check the details there. These SIM cards allow you to text and call domestically and internationally.

*Please note that this article contains affiliate links.

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1. Japan Wireless

6 Best SIM Cards in Japan (1)

2. Yolo Mobile

6 Best SIM Cards in Japan (2)

3. Mobal

6 Best SIM Cards in Japan (3)

4. GTN Mobile

6 Best SIM Cards in Japan (4)

5. IIJ Mio

6 Best SIM Cards in Japan (5)

6. Sakura Mobile

6 Best SIM Cards in Japan (6)

Cost/month3,278 yen3,828 yen4,500 yen2,728 yen1,760 yen3,278 yen
Activation fee3,000 yen3,300 yen3,000 yen3,850 yen3,300 yen5,500 yen
Data Amount10 GB6 GB7 GB10 GB3 GB4 GB
Network4G LTELTE4G LTE4GLTE/3G or 4G LTE4G LTE
Speed when exceeding200 kbps128 kbps
128 kbps200 kbpsup to 200 kbpsUnknown
Domestic Calling
Free40 yen/min
29 yen/min
44 yen/min
44 yen/min44 yen/min
International CallingUnavailableUnavailable65 yen/min44-254 yen/minfrom 68 yen/minfrom 68 yen/min
Websitehttps://www.japan
-wireless.com
https://www.
yolo-japan.com
https://www.
mobal.com
https://gtn-mobile.comhttps://www.
iijmio.jp
https://www.
sakuramobile.jp

1. Japan Wireless

6 Best SIM Cards in Japan (7)
1. Japan Wireless
Cost/month★★★★☆3,278 yen
Activation fee★★★★★3,000 yen
Data Amount★★★★★10 GB
Network★★★★★4G LTE
Speed when exceeding★★★★★200 kbps
Domestic Calling★★★★★Free
International CallingUnavailable

Japan Wireless is one of the most popular and competitive pocket WiFi rental and SIM card sales companies, offering its services to over 350,000 users all over the world. In addition to the reasonable WiFi plan with unlimited data usage, you can choose simple SIM card plans to start connecting the internet right away in Japan.

There are three SIM card plans for 7 GB, 10 GB and 25 GB with the reliable NTT docomo’s 4G/LTE network that has a population coverage rate of over 99.9%. They allow you to use domestic phone calls for free. International calls are not available but you can communicate with people overseas with some apps like Skype and Zoom, of course. It is not the cheapest SIM card option but provide you with the highest quality of the services.

Check the official website: https://www.japan-wireless.com/en/simcard

2. Yolo Japan

6 Best SIM Cards in Japan (8)
2. Yolo Mobile
Cost/month★★★☆☆3,828 yen
Activation fee★★★★☆3,300 yen
Data Amount★★★★☆6 GB
Network★★★★★LTE
Speed when exceeding★★★★☆128 kbps
Domestic Calling★★★☆☆40 yen/min
International CallingUnavailable

Yolo Mobile, served by a Japanese foreigner-friendly cooperation Yolo Japan, offers a reasonable option for international people in Japan to get a domestic phone number with SIM cards. There are 4 SIM Card plans for 3, 6, 12, 20 GB per month.

Its customer service helps users in multiple languages such as English and Chinese. International calling is unavailable with the Yolo Mobile’s SIM card, however, you can communicate overseas using various apps including Skype and Zoom, of course.

Check the official website: https://www.yolo-japan.com/en/mobile/service

3. Mobal

6 Best SIM Cards in Japan (9)
3. Mobal
Cost/month★★★☆☆4,500 yen
Activation fee★★★★★3,000 yen
Data Amount★★★★☆7 GB
Network★★★★★4G LTE
Speed when exceeding★★★★☆128 kbps
Domestic Calling★★★★☆29 yen/min
International Calling★★★★★65 yen/min

Mobal is one of the most reliable SIM sales companies served globally, originally founded in the United Kingdom in 1989. Then, it has offered a cell phone rental service in the United States and has provided SIM cards in Japan recently.

There are several SIM card options you can choose in Japan from 8 days and 16 days for tourists to 60 days and 90 days for long-term stayers. Of course, its SIM cards allow you to use voice calling and texting domestically and internationally with the 4G LTE network. Mobal also introduces a pocket WiFi router for both home and travel.

Check the official website: https://www.mobal.com/

4. GTN Mobile

6 Best SIM Cards in Japan (10)
4. GTN Mobile
Cost/month★★★★☆2,728 yen
Activation fee★★★★☆3,850 yen
Data Amount★★★★★10 GB
Network★★★★★4G
Speed when exceeding★★★★★200 kbps
Domestic Calling★★★☆☆44 yen/min
International Calling★★★★★44-254 yen/min

GTN Mobile is one of the best affordable SIM card services in Japan, managed by a Japanese network company Global Trust Networks since 2015. There are several SIM card plans for foreign travelers and stayers in Japan.

The GTN MOBILE Lite plan, divided into 3 GB and 10 GB contract, offers the 4G network at the cheapest rate in Japan. On the other hand, The GTN MOBILE Advance 5G plan, consisting 3 GB, 10 GB and 17 GB contract, unlocks the extremely high-speed 5G network in a specific area. You can call and text both domestically and internationally with those SIM card plans.

Check the official website: https://gtn-mobile.com/

5. IIJ Mio

6 Best SIM Cards in Japan (11)
5. IIJ Mio
Cost/month★★★★1,760 yen
Activation fee★★★★☆3,300 yen
Data Amount★★★☆☆3 GB
Network★★★★★LTE/3G or 4G LTE
Speed when exceeding★★★★★up to 200 kbps
Domestic Calling★★★☆☆44 yen/min
International Calling★★★★★from 68 yen/min

Iij Mio is a popular Japanese SIM card option, served by an internet service company Internet Initiative Japan Inc. established in 1992. The company’s personal network service began as Iij Mio in 2001.

There are three data amount SIM card plans in Iij Mio, which you can select from two major Japanese carriers NTTdocomo and KDDI: Minimum Start Plan for 3 GB, Light Start Plan for 6 Gb and Family Share Plan for 12 GB shared by 3 SIM cards. You can use not only domestic but also international calling and texting. If you use only voice calling apps such as Skype, Messanger and Zoom instead of calling, you can choose a cheaper plan with only Data and SMS.

Check the official website: https://www.iijmio.jp/

6. Sakura Mobile

6 Best SIM Cards in Japan (12)
6. Sakura Mobile
Cost/month★★★★☆3,278 yen
Activation fee★★★☆☆5,500 yen
Data Amount★★★☆☆4 GB
Network★★★★★4G LTE
Speed when exceeding
Domestic Calling★★★☆☆44 yen/min
International Calling★★★★★from 68 yen/min

Sakura Mobile, which started its WiFi and SIM cards service in 2014, has provided tourists in Japan with a pocket WiFi rental and SIM cards sales. It offers a SIM card with the reliable NTT Docomo network as well as pocket WiFi routers.

There are two data amount plans for SIM cards including 4 GB and 25 GB per month in Sakura Mobile. Of course, both domestic and international calls and texts are available.

Check the official website: https://www.sakuramobile.jp/

There are also recommended options for eSIMs for Japan!

5 Best eSIM Services in Japan Which are the Best eSIM service providers in Japan? jw-webmagazine.com

How about considering a home WiFi router if you live or stay longer in Japan?

5 Best Internet Services in Japan Choose the best Internet option in Japan comparing line speeds, prices, discounts and English customer supports jw-webmagazine.com

Did you understand which SIM card is the best for you? For more tips for traveling and living in Japan, check these information below, too!

Which Pocket WiFi Rental is the Best in Japan ? Choose the best pocket WiFi in Japan comparing rental prices, data usage amount, data speed, battery life, etc. jw-webmagazine.com

How to Find an Apartment in Japan as Forgeiner Guide to live in Japan: Find an apartment jw-webmagazine.com

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Written by

Yusuke-s

I'm writing by my motto: helping travelers spend their limited time experiencing something priceless in Japan. My articles won't let you down! Living in Tokyo and traveling many popular and hidden sites all over Japan, I deliver well-selected and latest tourist information to you from the perspective of “100% Japanese local”. My specific interests are island hopping, eating countless bowls of ramen, watching anime and reading manga. Enjoy Japan Web Magazine for recommended food spots, hidden gems Japanese Otaku (geek) culture, and everything about Japan :)

6 Best SIM Cards in Japan (2024)

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