Top picks for Japan SIM card

Discover 35 SIM card in Japan on Trip.com, updated 24 October 2026, with experiences lasting from 1 to 2 hours. Find the perfect adventure for your day!

From S$ 0.10 per person, with an average total of S$ 2.01. Choose the option that suits your plan.

With 49.32k verified reviews, SIM card Japan boast an average rating of 4.5.

This week's most popular SIM card: "Japan 5G eSIM | Supports Google Maps / ChatGPT | Daily/Total Data Plans | 24-Hour Billing | 1–30 Days | QR Code", with 13.082k reviews and a 4.5 rating.

The next available day tour departs on 25 October 2026. Book now to secure your spot!

Japan SIM card usually take about 1 hours — perfect for a relaxed, immersive experience!

October is perfect for visiting Japan! Choose from 35 available day tours, including seasonal hits like Japan 5G eSIM | Supports Google Maps / ChatGPT | Daily/Total Data Plans | 24-Hour Billing | 1–30 Days | QR Code.

Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.

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35 results for Japan SIM card

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Reviews/Trip Moments

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Reviews: Japan docomo Native 5G eSIM | Supports Google Maps / TikTok / ChatGPT | Daily / Total Data Plan | 1–30 Days | Calendar Day Billing | QR Code
Guest User2026-10-21
Smooth and seamless experience. Very easy registration. Fast and strong internet connection throughout. Much better price than other places. Truly worth it. I've used it in China before, and this is my second time using it in Japan.
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Reviews: Docomo Japan 5G eSIM | Daily Package/Full-Time Package | TikTok & ChatGPT Compatible | 1-30 Days | Daily Billing | QR Code
Guest User2026-10-15
Good experience from this esim provider, some technical issue but the seller helped me to fix it immediately. Over all experience 85/100
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Reviews: Japan 5G eSIM | 3 Networks Covered | Daily/Total Data Package | 24-Hour Billing | 1–30 days | QR Code
Guest User2026-10-18
Very good experience with this e-sim. It's cheap, easy to install and has no problem in usage. Just install it with a good steady Wifi beforehand, it will start when you arrive in Japan.
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Reviews: Asia-Pacific eSIM | 5G/4G | High-speed data | Daily data/data plan | 24-hour service | 1-30 days | QR code
Guest User2026-10-23
This worked well in my Tab S9+ 5G. I was able to connect and get average speeds from about 100mbps download in Taipei and about 20-30mbps up.
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Reviews: Japan SoftBank 5G eSIM | AI & TikTok Ready | Daily/Total Data Package | 1–30 Days | 24-Hour Billing | QR Code
Guest User2026-10-17
It worked perfectly. Far beyond my expectations. I concluded that for my usage (WhatsApp, Google Maps, Uber, Gemini, and some websites), 500 MB per day is sufficient when using the hotel's Wi-Fi for photo and video backups and larger files. Without the hotel's Wi-Fi, 1 GB per day is ideal, without using YouTube or Spotify.
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Reviews: Japan KDDI 5G eSIM | 100GB/day | Supports TikTok & ChatGPT | No physical SIM required · Hotspot supported | 3–30 days available | Daily data plan | Calendar-day billing | QR Code setup
Guest User2026-10-22
This was my first time using this KDDI eSIM from Japan, and I'm extremely satisfied with the experience! After ordering online, I received my electronic voucher instantly, and setting it up was a breeze – just scan the QR code! No need for a physical SIM card. While traveling in Tokyo's city center and suburbs, the native 5G network signal was incredibly stable and smooth, making map navigation and video streaming effortless. The 100GB daily data allowance also lets me share my hotspot with family members – so practical! Overall, it offers excellent value for money and is an indispensable tool for independent travel in Japan. I'll definitely buy it again next time I'm in Japan.