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Best japan SIM Card & eSIM Plans

Discover 33 SIM card in Japan on Trip.com, updated March 30, 2026, with experiences lasting from 1 to 2 hours. Find the perfect adventure for your day!

From CAD 0.16 per person, with an average total of CAD 2.83. Choose the option that suits your plan.

With 46.584k verified reviews, SIM card Japan boast an average rating of 4.6.

This week's most popular SIM card: "Global (66 countries) | 4G/5G eSIM | Total Package | 1-7 days | 24H Billing | Real-Name Auth Required (Hong Kong & Taiwan) | QR code", with 13.891k reviews and a 4.4 rating.

The next available day tour departs on March 31, 2026. Book now to secure your spot!

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

March is the perfect time to visit Japan! Choose from SIM card available day tours, including seasonal favorites like Global (66 countries) | 4G/5G eSIM | Total Package | 1-7 days | 24H Billing | Real-Name Auth Required (Hong Kong & Taiwan) | 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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33 results for Japan SIM card

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Reviews/Trip Moments

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Reviews: Japan | 5G eSIM | Day Pass/Total Package | 24H Billing | 1-30 days | QR code
Guest User2025-11-29
Easy to install. Convenient to use. Good signal. Works well even in many places. There is a link to check how much you have used. Recommended. No need to put in a SIM card, it's a hassle.
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Reviews: Japan SoftBank 4G/5G eSIM | TikTok & ChatGPT Available | Day Pass/Total Data Package | 24-Hour Billing | QR Code
Guest User2026-03-13
I remembered how convenient the free SIM card was on my last short trip, so I bought one and used it this time. I was very satisfied because it was easier to use than the free SIM card. I plan to purchase a local SIM card in the future.
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Reviews: Japan 5G eSIM | TikTok & ChatGPT Available | Day Pass/Total Data Package | 24-Hour Billing | 1-30 Days | QR Code
Guest User2026-02-20
The signal is unstable. After watching videos for a while each day, the signal becomes extremely slow, and even mobile payment functions become unusable.
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Reviews: Japan au KDDI 5G eSIM | TikTok & ChatGPT Available | Day Pass/Total Data Package | 3-31 Days | Calendar-Day Billing | QR code
Guest User2026-03-13
I traveled to Tokyo in March 2026, landed at Narita airport. In side Narita airport, signal was weak and slow, after came out of the building signal got slightly better. So, don't expect too much when you are in that area. In Tokyo area, internet speed was good, usable in Subway even while riding the train. I tested internet speed, in most places would be around 50-160 Mbps, but when you are underground it would drop to approximately  30-60 Mbps. I departed Tokyo at Haneda airport, I would say signal inside Haneda airport is much better than Narita. Overall service is good for the price I paid  ~ $10 for 5 days. < Device - iPhone 13>
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Reviews: Japan SoftBank 5G eSIM | TikTok & ChatGPT Available | Daily/Total Data Package | Calendar Day Billing | 1–90 Days | QR Code
Guest User2026-03-11
The room was clean and the bedding was comfortable, allowing for a good night's sleep. The staff were friendly and helpful, making for a pleasant stay. The location was also convenient for sightseeing and getting around. The breakfast was varied and delicious, making it an overall satisfactory stay. This is a hotel I would love to visit again.
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Reviews: Japan KDDI 5G local eSIM | DayPass | 100GB/day | 3-26 days | QR code
Guest User2026-03-09
I used it in Osaka, and it worked almost perfectly, but the subway would slow down sometimes. Does anyone know of anyone who lives in the mountains? I stayed there for a day, and it didn't work that well that time either. But overall, it worked well! Highly recommended!!! I'll be using it again when I travel next month.

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