Best japan SIM Card & eSIM Plans

Discover 32 SIM card in Japan on Trip.com, updated March 2, 2026, with experiences lasting from 1 to 2 hours. Find the perfect adventure for your day!

From BRL 0.66 per person, with an average total of BRL 11.41. Choose the option that suits your plan.

With 47.987k 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 14.718k reviews and a 4.4 rating.

The next available day tour departs on March 3, 2026. Book now to secure your spot!

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

March is perfect for visiting Japan! Choose from SIM card available day tours, including seasonal hits 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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Reviews/Trip Moments

Reviews: Japan | 5G eSIM | Day Pass/Total Package | 24H Billing | 1-30 days | QR code
Anonymous 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.
Reviews: Japan SoftBank 4G/5G eSIM | TikTok & ChatGPT Available | Day Pass/Total Data Package | 24-Hour Billing | QR Code
Anonymous user2025-12-30
The network card provided by this adapter in Osaka demonstrated a very stable and fast signal, and was easy to install. It is also very reasonably priced.
Reviews: Japan SoftBank 5G eSIM | TikTok & ChatGPT Available | Daily/Total Data Package | Calendar Day Billing | 1–90 Days | QR Code
Anonymous user2026-02-03
It's very easy to use, no need to change SIM cards, which is hassle-free. The price is better than roaming too. We bought a 5G per day plan and we still had more than enough. We didn't run out in a full day. Typically, we use it for Line, sending photos, using Google Maps, and posting Instagram stories occasionally. We don't watch TikTok or YouTube. Even in rural areas, there's internet access.
Reviews: Japan 5G eSIM | TikTok & ChatGPT Available | Day Pass/Total Data Package | 24-Hour Billing | 1-30 Days | QR Code
Anonymous 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.
Reviews: Asia 10 Destinations 5G eSIM | Japan, Thailand, Vietnam, Indonesia, Korea & More | ChatGPT | 1–30 Days | Instant QR
_TSAU******rp9ot2026-01-11
I used this in KL, Bangkok and Shanghai. Overall the signal was ok. Sometimes we do get a drop out but it’s not often. We managed to use all social media platforms with this eSIM at Shanghai. Only thing is if you want to hail a ride you’ll need a number for it in china.
Reviews: Japan KDDI 5G local eSIM | DayPass | 100GB/day | 3-26 days | QR code
Natnatt_2026-01-28
Easy to install, no need to pay for any extra roaming cost. The signal is better when you are in the city
Best Contact Center 2024 - Bronze
Best Contact Center 2024 - Bronze