Foreign visitors to Japan have been increasing and many of them have complained that they were unable to find enough free wi-fi spots in Japan. Now there are quite many prepaid SIM card brands offering different packages for short-term visitors. Think about how much data you need or the period you need and find the one that suits your need.
*All information here are as of the day posted. Please check the updated information from each service’s official website. Click on the service name and it is linked to their official website.

Tips

– All SIM cards here use the same network, which is NTT DOCOMO. Therefore, in terms of coverage, all are the same.
– The download speed is usually maximum 150Mbps. When the service offers better or lower speed than this average, it is stated in the Note column.
– The speed is “theoretical”, and in reality it can be much slower. The speed also depends on the device and location.
– If you’re looking for a SIM card that allows voice call, take a look at PAYG SIM from b-mobile. Currently, this is the only card that comes with voice. (2016.03.03 See our new post for updated info. Prepaid Data and Voice SIM Cards Sold in NARITA Airport)
– It is usually cheaper to buy a prepaid SIM card in Japan. There are companies abroad that are offering SIM card to be used in Japan but they are usually more expensive than the same quality SIM card sold in Japan.
– Before purchasing, check the compatibility of your device. You cannot get a refund even if the device was not compatible.
– To find out whether the device is compatible or not, check the specification of the model and see if it is able to connect to one of the following bands. Also, the device must be unlocked.
(CDJapan Rental’s blog is helpful to find out more about compatibility. CDJapan Rental Blog)
– If you’re not experienced with setting up a new SIM on a device, finding a rental SIM card service that offers a refund could be a safe option. Check out our post Compare SIM Card Rental Services for Tourists in Japan

7 days

ServicePackage NameData AmountUsable PeriodSpeed RestrictionPriceTop UpNote
b-mobilePAYG SIM3GBTotal use of 60min call or 3GB or 7 days whatever comes firstPossibily after 1GB over 3 consecutive days9980NoVoice 60min.(International&local). 200 yen (exc.tax) for delivery to airport post office.
PAYG Data SIMTotal use of 3GB or 7 days whichiever comes first4990200 yen (exc.tax) for delivery to airport post office.
NTT CommunicationsPrepaid SIM for Japan (OCN mobile ONE Prepaid SIM for VISITOR)Unlimited7 daysAfter 100MB a day3218No
BOJ mobileBOJ mobile Prepaid Data SIM cardUnlimited7 daysAfter 100MB a day2890No
NEVISOmotenasim100MB a day7 daysN/A2650No
eConnect100MB/day 7 days100MB a day7 daysAfter 100MB a day2800NoFree Telephone Interpretation Service (3 times)(Eng, Chi, Kor)

 

14 days

ServicePackage NameData AmountUsable PeriodSpeed RestrictionPriceTop UpNote
b-mobileVISITOR SIM (1GB Prepaid)1GBTotal use of 1GB or 14 days whatever comes firstAfter 360MB over 3 consecutive days3980Yes
VISITOR SIM (14 days Prepaid)Unlimited14 daysMax.speed 300kbps
NTT CommunicationsPrepaid SIM for Japan (OCN mobile ONE Prepaid SIM for VISITOR)Unlimited14 daysAfter 100MB a day3780No
YodobashiWirelessgate Prepaid SIM1GBTotal use of 1GB or 14 days whichever comes firstYes (Pls see website)2980Yes
BOJ mobileBOJ mobile Prepaid Data SIM cardUnlimited15 daysAfter 100MB a day3580No
NEVISOmotenasim100MB a day15 daysN/A2950No
eConnect100MB/day 15 days100MB a day15 daysAfter 100MB a day3100No
U MobileJust Right 15 Day Plan1.5GB15 daysAfter 100MB a day3218No

 

30 days

ServicePackage NameData AmountUsable PeriodSpeed RestrictionPriceTop UpNote
So-NetPrepaid LTE SIM (Plan 1G)1GBTotal use of 1GB or 30 days whichever comes firstN/A3000Yes
Prepaid LTE SIM (Plan 2.2G)2.2GBTotal use of 2.2GB or 30 days whichever comes first4000
BigblobeBiglobe Ninja SIM1GBTotal use of 1GB or 31 days whichever comes firstN/A2916YesMax. speed 225mbps
3GBTotal use of 3GB or 31 days whichever comes first4860
7GBTotal use of 7GB or 31 days whichever comes first7884
YodobashiWirelessgate Prepaid SIM2GBTotal use of 2GB or 30 days whichever comes firstYes (Pls see website)3590Yes
Telecom SquareWi-Ho Prepaid SIM1GBTotal use of 1GB or 30 days whichever comes firstN/A4500YesFree Telephone Interpretation Service up to 3 times (English, Chinese, Korean)
3GBTotal use of 3GB or 30 days whichever comes first6500
eConnect100MB/day 30 days100MB a day30 daysAfter 100MB a day3800No
1GB1GBTotal use of 1GB or 30 days whichever comes firstN/A4100Yes
3GB3GBTotal use of 3GB or 30 days whichever comes first4700
COMSTDaily Plan PrepaidUnlimited31 daysAfter 110MB a day3980Yes
3GB Plan Prepaid3GBTotal use of 3GB or 30 days whichever comes firstN/A
U MobileSolid Use 30 Day Plan3GB30 daysAfter 100MB a day4298No

 

45 days to 3 months

ServicePackage NameData AmountUsable PeriodSpeed RestrictionPriceTop UpNote
IIJJAPAN TRAVEL SIM2GBTotal use of 1GB or 3 months whichever comes firstAfter 360MB over 3 consecutive days3700No
So-NetPrepaid LTE SIM (Plan 3G)3GBTotal use of 3GB or 60 days whichever comes firstN/A5000Yes
YodobashiWirelessgate Prepaid SIM3GBTotal use of 3GB or 60 days whichever comes firstYes (Pls see website)3980Yes
COMST5GB Plan Prepaid5GBTotal use of 5GB or 90 days whichever comes firstN/A6980Yes
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CDJapan Rental has a great deal on pocket wifi, with a range of flexible plans starting at ¥187/day.
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