Top 10 Best japan sim card in 2026

Last Updated - 6/6/2026

🏆Best Choice

SIM2ROAM

Japan Data ONLY SIM Card 15 Days | Unlimited Internet Data (10GB at 4G LTE High Speed Data Then downgrade to 128kbps) |Docomo KDDI Network | Hotspot tethering supported

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Good for 15 days use with unlimited Internet Data (First 10GB at 4G LTE High-Speed then down to 128kbps)
•Available for Hotspot tethering (only for Mobile phones) and tablets
•No Activation or registration is needed, simply insert the SIM into your unlocked device and it will be ready to use!
•Tri-cut SIM. All SIM sizes are available, including standard/micro/nano SIM. Pack comes with English user instruction
•NO Phones Calls or Texts. No refill available.
•24/7 English Customer support available.

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$15.99

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Nippon SIM

Japan SIM Card 180 Days Data Only | 15GB High-Speed 4G LTE + Unlimited Data at Reduced Speed | No Roaming Needed for Faster, Safer Access | Hotspot tethering Supported | Docomo Network | Made in Japan

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•【Expiry Date & Easy Installation】Please start using the SIM before 2026/6/30. Starting after this day means you may not fully utilizing the duration of the period. [Android devices] Please set up APN information on your device. [iPhone/iPad] Simply insert the SIM card. Basically, it will be set up automatically. If it is not set up automatically, please follow the instructions to set up the APN.
•【15GB LTE data, 180days use with docomo network】Target for heavy users, you can tethering with PC/notebooks for work!! Long 180days for mid-term visitors, locals returning to Japan or frequent business travelers without buying SIMs every time!! Utilizing Japan largest carrier docomo Network to provide broader and stable connections even in rural area. After all purchased 4G/LTE data are consumed, speed will be throttled under 128kbps till the 180th days.
•【Product Package】Package comes with a Docomo Full MVNO SIM card (tri-cut SIM card supporting Standard / Micro / nano size), 3 languages manual (English / Chinese / Japanese) , SIM PIN to eject SIM tray and a small plastic bag to keep your own SIM.
•【Applicable products】Support SIM Free devices including iPhone (except US version after iPhone 14 which supports only eSIM, please check eSIM B0B21CY11D), iPad, Android smartphones, Android Tablets, LTE enabled PC, MiFi which supports below bands: 4G/LTE: Band 1/3/19/21/28/42 (Core bands: 1/3); 3G/W-CDMA: Band 1/6/19. Minimum required LTE bands are B1/3 and we recommend also B19 to enable faster/more stable connections in Japan especially in rural area.
•【Made in Japan and Peace of mind Japan local supports】This product is produced by DHA Corporation, a Japan local MVNO carrier (telco registration no: A-30-16419) We design and produce this product, and we provide end to end supports (pre to post purchase), including issuing new replacement of SIM Card/eSIM from our Tokyo customer support center.
•【Japan Local service for faster, securer connections】Unlike other Japan ”roaming” products, you do not need to turn on data roaming, as your connections are limited within Japan without roaming to other countries, providing you faster access with higher security.

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$24.99

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ENC Mobile

Asia Japan SIM Card 30 Days Data Only | 10GB High-Speed 5G/4G LTE + Unlimited Data at Reduced Speed | 3 in 1 Prepaid Travel Data Sim Card for Japan & 10+ Asian Destinations

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•【11 Asian Destination】Stay connected while traveling in Asia with ENC Mobile’s convenient and reliable data sim card, with high speed data covering 11 destinations - Mainland China, Hong Kong, Macao, Japan, South Korea, Singapore, Thailand, Malaysia, Indonesia, Philippines and Vietnam.
•【Prepaid Travel SIM Card】ENC Mobile’s 10GB 30 days plan offers you 10GB of high speed data with a validity of 30 days, starting from your arrival at 1 of the 11 destinations. After 30 days, you can recharge this data card on ENC mobile’s website. Our Prepaid Data SIM cards have been tested to be a great choice for a variety of devices. Save the hassle of looking for SIM cards while you are traveling.
•【Reliable & Wide Coverage】ENC mobile’s data sim card provides extensive coverage and reliable signal by utilizing top mobile networks in those 11 destinations. It will automatically identify and connect with the most appropriate network available in your area.
•【Easy to Activate】 This Data SIM card comes as a 3-in-1 card with standard, micro, and nano sizes. Activation is quick and easy - simply goes to ENC Mobile’s website and follow the instructions to activate on your unlocked device. Note that it needs to be activated within 90 days of receipt.
•【24/7/365 days Customer Service】Tired of the waiting game? ENC Mobile’s customer service is 24/7/365 days ready to help. If you have any questions about our plan, activation or renewal, please feel free to contact us.

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$19.99

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generic

Japan Travel eSIM Card – 15 Day 10GB Prepaid Data Plan| 4G LTE High-Speed Data + Unlimited Slow Data | Hotspot Supported | Local Carrier | No Contract & SIM Card Needed | for Unlocked iOS & Android

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•10GB 15-days Japan eSIM: Enjoy a 15-day plan with 10GB of premium 4G LTE data on Japan's most reliable networks.Perfect for travelers and business professionals - supports mobile hotspot sharing with reliable coverage on the go. (After 10GB, you can also use it with unlimited low speed data 256Kbps.)
•Confirm Before Purchase: Please confirm your device's eSIM compatibility (unlocked iOS/Android) before purchasing. No physical SIM card, phone number or any voice/text services.
•Super Simple to Use: After purchase, you will receive a small package containing an operating manual with a unique eSIM QR code. Simply connect to Wi-Fi, scan the QR code, and install the eSIM on your compatible device.
•10GB High-Speed Data： Get a 15-day prepaid plan with 10GB of premium 4G LTE data on Japan’s most reliable networks. Enjoy strong signal coverage in all major cities for seamless browsing, Google Maps, ChatGPT, WhatsApp, Instagram, and YouTube (TikTok not supported). Perfect for travel streaming, navigation, and uninterrupted video calls.
•Customer Support： If you encounter any issues, please email [email protected]. We guarantee prompt assistance and will address your concerns as quickly as possible.

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$9.99

$11.99

-17%

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DHA SIM

Asia SIM Card Japan + 11 Countries | 30 Days 10GB Data Only | Tethering Supported | Use in Japan South Korea Thailand Singapore Cambodia Indonesia Macau Malaysia Philippines Sri Lanka Laos Vietnam

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•【Expiry Date】Please start using the SIM before 2026/6/30.
•【Asia SIM Card – 10GB Data for 30 Days in 12 Countries】 Travel freely with one Asia SIM card valid in Japan, South Korea, Thailand, Singapore, Vietnam, Philippines, Malaysia, Cambodia, Laos, Sri Lanka, Indonesia, and Macau. Enjoy 10GB of 4G LTE data for 30 days. After reaching the limit, speed is throttled to 128kbps until day 30.
•【Perfect for Asia Travel – One SIM, 12 Destinations】 This international SIM card for travel in Asia is ideal for those visiting multiple countries without switching SIMs. Whether it’s a Japan SIM card, Korea SIM card, Vietnam SIM card for iPhone, or a physical SIM card for the Philippines, this one card covers it all.
•【Works with SIM-Free Phones, Tablets & WiFi Routers】 Compatible with unlocked devices including iPhones, Android smartphones, tablets, MiFi routers, and LTE-enabled laptops. Tethering is supported. ※Please note: this physical SIM card works only with devices that have a physical SIM slot. Devices without a SIM slot or eSIM-only models are not supported.
•【Tri-Cut SIM for Easy Fit – Standard, Micro, Nano】 The package includes a tri-cut physical SIM card that fits all device types. Comes with a SIM ejector pin and multilingual setup manual.
•【Reliable Coverage with Supported Bands Across Asia】 Supports major Asian 4G/LTE bands (B1 / B3 / B7 / B8). Band compatibility may vary by country, but coverage is optimized for smooth use throughout the region. Stay connected with a single SIM card for Asia travel.

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$22.99

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TSIM

Japan SIM Card 30 Days | 30GB High-Speed 5G/4G LTE Data | Supports Google, Facebook, Whatsapp and More | Auto Activating | Hotspot Tethering Allowed | Data Only, No Calls | 24x6 Customer Support

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•🛜 Japan SIM Card with 30GB 5G/4G/LTE Data. Hotspot / Tethering / Internet Sharing allowed
•💥 Auto Activating! Validity starts when you connect to a network in Japan. It is safe insert the SIM card before travel.
•🔓 Must use unlocked phone. Generally iPhone 11 and Android 2021 onwards are compatible
•❌ No phone calls / SMS / refills. Apps such as WhatsApp work perfectly.
•🎧 Instachat support 24x6 from seller.

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$22.99

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mewfi

Japan SIM Card 15 Days 20GB– Easy Activation & 24/7 Whatsapp Support, 4G High-Speed Communication, Supports Google, Instagram, and Twitter..., 3 in 1 Prepaid SIM Card for Unlocked Phones

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•For Unlocked Phones Only: Works with unlocked smartphones that have a SIM card slot. 3 in 1 sim card: standard, micro, and nano can fit most phones except Google Pixel 8 series
•Easy Activation:Please follow the steps in the Japan SIM card manual to activate your Japan SIM two days before departure. After arriving in Japan, turn off your current SIM card, insert the Mewfi Japan SIM card, and enable mobile roaming for automatic network connection.
•Prepaid, No Recharge Needed: This SIM card is prepaid and ready to use once activated, with no need for recharging or additional fees.
•4G Data-Only SIM: Enjoy 15 Days 20GB high-speed 4G data in Japan, perfect for browsing, using Google, Instagram, Twitter, and more—without a phone number, no calls or texts.
•24/7 WhatsApp Support: Need help? Our 24/7 WhatsApp support team is available anytime, and you can request an updated electronic manual if needed.

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$23.99

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Kaisnvxs

KAISNVXS Prepaid Japan SIM Card for 10 Days 12GB - Plug and Play 4G/5G LTE High Speed Japan Data SIM Card (No Low Speed), Hotspot tethering Supported, Data Use Only, No Calls/SMS

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•High Speed Network : Experience seamless internet access with our prepaid data SIM card, offering high-speed 4G/5G connectivity across Japan,Hotspot Tethering Supported
•Wide Coverage : Designed specifically for data use, this SIM card is perfect for travelers who need to stay connected to social apps and navigate online without the need for traditional voice calls or SMS. Enjoy uninterrupted data services in Tokyo, Kyoto, Osaka, and beyond
•Plug and Play : Our prepaid SIM card is the epitome of convenience. With no need for registration or activation, Simply insert the SIM into your unlocked phone and start browsing. Plug, play, and go!
•Universal Compatibility with 3-in-1 SIM : Whether you have a nano, micro, or standard SIM slot, our 3-in-1 design ensures that our SIM card fits perfectly into any unlocked smartphone
•Note : Please insert the SIM card after you arrive at destination. Do not insert the card in your own country. Please open roaming function of you phone after you insert the SIM card

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$18.49

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Generic

Japan Rakuten Mobile Prepaid SIM Card w/Text(SMS) to 73+ Countries, 1Year Plan, 3GB/mo. in Japan (Global 1GB/mo.), Quick Activation, 3-in-1 Triple-Cut SIM Card

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•HASSLE-FREE ACTIVATION: After inserting your SIM, your SIM card automatically activates.
•INTERNATIONAL TEXT: The SMS(Text) can be used in 73+ countries. Sending is not available. You can easily register applications that require SMS authentication, such as LINE, Instagram, Uber, and more Japan APP service.
•FAST & RELIABLE NETWORK: Enjoy 3GB of High-speed 4G/5G/LTE/3G data that replenishes every 30 days, After using 3GB per month,the speed will be reduced to 200kbps, but it will return to High-speed on the 1st day of each month.
•HOW YOU GET IT: The SIM Kit comes with a 3-in-1 SIM card that includes standard/micro/nano sizes, insert the SIM into your device, and activate automatically.
•NO CONTRACT: This prepaid SIM card is perfect for travelers and those new to the JAPAN without worrying about tricky contracts or extra charges.

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$66.00

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mewfi

Japan Prepaid SIM Card 15 Days 20GB – 4G High-Speed Communication – Easy Activation, Works with Google, Instagram, Twitter – for Unlocked Phones with a Slot, Roaming Required

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•▶ 4G Data-Only Connectivity: Stay online with high-speed 4G data throughout Japan. Ideal for using Google, Instagram, Twitter, and other apps, no phone number, calls or texts.
•▶ Prepaid and Hassle-Free: This prepaid SIM card requires no additional top-ups or fees. Simply activate it before your trip and enjoy seamless internet access.
•▶ Easy Activation Process: Register on the mewfi website at least 2 days before your departure. The SIM card will be automatically activated 1 day before your arrival in Japan.
•▶ Simple Setup Instructions: Upon arrival, turn off your home SIM card, insert the mewfi SIM card into your unlocked phone, and enable roaming to start using the data instantly.
•▶ 24/7 WhatsApp Support: Our customer support is available around the clock via WhatsApp. Contact us anytime for help or to request an updated electronic manual.

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$21.90

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