KDDI and Softbank eSIM in Japan for 1-30 Days with 3GB-Unlimited in Tokyo
Tokyo, Japan

KDDI and Softbank eSIM in Japan for 1-30 Days with 3GB-Unlimited

Outty Ranking 66 5.0 · 3 traveler reviews24 hoursFrom $5

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September 2026

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Adults

Age 13 and over

2

Children

Age 12 and under

0

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From, per person$5
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Outty Ranking

66/100

Solid Choice. Our proprietary evaluation. How we score

Traveler rating

5.0/5

Based on 3 traveler reviews. Ratings and reviews provided by Viator and Tripadvisor.

Quick answer

Is KDDI and Softbank eSIM in Japan for 1-30 Days with 3GB-Unlimited worth booking?

KDDI and Softbank eSIM in Japan for 1-30 Days with 3GB-Unlimited is a 24-hour experience in Tokyo, Japan, from $5 per person. It scores 66 out of 100 on the Outty Ranking, which we label “Solid Choice, based on a 5/5 rating across 3 reviews. Cancellation is free up to 24 hours before the start time. Same-day spots are currently showing.

Outty Ranking
66 / 100
Rating
5/5 (3)
Duration
24 hours
From
$5 per person

Data Plan - Full high-speed data. Free cancellation. Seamless Connectivity Across Japan with Unlimited Data ●Pre-trip Setup: Scan and install your eSIM before you travel. ●Stay Connected: Enjoy fast, reliable 4G/5G data

What you get

  • Full high-speed data. Support hotspot.
  • eSIM Data Only
  • Free cancellation

About this experience

Data Plan - Full high-speed data. Free cancellation. Seamless Connectivity Across Japan with Unlimited Data ●Pre-trip Setup: Scan and install your eSIM before you travel. ●Stay Connected: Enjoy fast, reliable 4G/5G data across Japan. ●No More SIM Card Worries: Experience smooth, stable connectivity without the hassle. ●Instant Use Upon Arrival: Activate your eSIM with ease and get online right away. Stay effortlessly connected throughout your trip! eSIM Specifications ● Plan Options: Unlimited data for 1-30 days or data packages available for 3-30 days. ●Coverage: Japan ●Network: KDDI and Softbank ●Data: Unlimited data plan or data packages. ●Speed: Full high-speed data. ●Call and SMS: NOT available (Data-only eSIM plan) ●Hotspot: Available ●eSIM Validity: Activate within 90 days of purchase. Ensure activation before the expiry date. ●Shipping: Via Viator message or email.

What's included

Included

  • Full high-speed data. Support hotspot.
  • eSIM Data Only
  • Free cancellation

Not included

  • No Calls or SMS

Where it starts and ends

Meeting point

Tokyo

You don’t need to pick up this eSIM. It will be delivered to you via Viator message or email after your purchase.

Hotel pickup

No pickup: everyone meets at the start point.

Ends at

The eSIM data plan will automatically terminate once the usage limit or the duration of the package you purchased is reached.

Options you can book

  • 3GB/5 Days - High Speed

  • Unlimited 6 Days - High Speed

  • 30GB/15 Days - High Speed

  • Unlimited 8 Days - High Speed

  • 50GB/15 Days - High Speed

  • 50GB/3 Days - High Speed

  • 10GB/10 Days - High Speed

  • Unlimited 30 Days - High Speed

  • 10GB/15 Days - High Speed

  • 50GB/30 Days - High Speed

  • 10GB/7 Days - High Speed

  • 20GB/7 Days - High Speed

Before you book

Cancellation
For a full refund, cancel at least 24 hours before the scheduled departure time.
Ticket
Mobile Only
Runs on
Every day
Group size
Up to 15 travelers per booking
Operated by
Wisim eSIM

Know before you go

  • Suitable for all physical fitness levels

Photos

KDDI and Softbank eSIM in Japan for 1-30 Days with 3GB-Unlimited in Tokyo, photo 2KDDI and Softbank eSIM in Japan for 1-30 Days with 3GB-Unlimited in Tokyo, photo 3KDDI and Softbank eSIM in Japan for 1-30 Days with 3GB-Unlimited in Tokyo, photo 4KDDI and Softbank eSIM in Japan for 1-30 Days with 3GB-Unlimited in Tokyo, photo 5KDDI and Softbank eSIM in Japan for 1-30 Days with 3GB-Unlimited in Tokyo, photo 6KDDI and Softbank eSIM in Japan for 1-30 Days with 3GB-Unlimited in Tokyo, photo 7

What travelers are saying

Outty’s summary of the themes that recur across 3 traveler reviews. Written by us, not quoted from reviewers.

Value for money

1 mention

Travelers feel they got more than they paid for.

Traveler reviews

3 verified traveler reviews for KDDI and Softbank eSIM in Japan for 1-30 Days with 3GB-Unlimited. Ratings and reviews provided by Viator and Tripadvisor.

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TUNG_D · May 2026

Great price!

The e-sim works well during our trip to Tokyo, Hakone, Fujikawaguchiko, and Osaka. Just need to install to my phone via the QR code. Great price! Thank you!

Response from the operator: Thanks so much for your feedback! 😊 Really glad to hear everything worked well during your trip and that the QR install was quick and easy. Hope to have you with us again on your next trip! ✈️

via Viator

PALAK_P · April 2026

Super convenient

So convenient to use and super easy installation Good connectivity in all the areas we visited of Tokyo, Osaka and Kyoto.

Response from the operator: Thanks a lot! 😊 Really happy to hear it was easy to set up and worked well across Tokyo, Osaka, and Kyoto. That’s exactly what we’re going for simple and reliable wherever you travel. Hope to have you with us again on your next trip! ✈️

via Viator

Diana_L · October 2025

Esim works well

Esim worked really well. Kept me connected with friends with WhatsApp. Customer service responds immediately to answer questions.

Response from the operator: Thank you so much for your kind feedback! We're glad to hear the eSIM worked smoothly and kept you connected. Our team is always here to support you we really appreciate your trust and look forward to serving you again! 🌍📱

via Viator

Good to know

Duration
24 hours
Free cancellation
Up to 24h before
Minimum age to book
16+
Availability
Bookable today
Runs on
Every day
Price range
$5 to $64
Hotel pickup
No pickup, meet at start point
Booked in 30 days
1
Verdict
Solid Choice

Why this scores 66

The Outty Ranking is a weighted composite. Here is how this experience performed on each component.

Traveler sentiment (30% weight)89
Review evidence (18% weight)20
Booking momentum (14% weight)11
Value for money (12% weight)100
Listing quality (10% weight)100
Local standing (8% weight)53
Booking flexibility (8% weight)100

KDDI and Softbank eSIM in Japan for 1-30 Days with 3GB-Unlimited: questions travelers ask

Practical detail on this experience, plus the wider planning questions for Tokyo.

How much does KDDI and Softbank eSIM in Japan for 1-30 Days with 3GB-Unlimited cost?

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Prices start at $5 per person. The final price depends on the date, the time slot and the number of travelers, and peak weekends in Tokyo usually price higher than midweek mornings. Live pricing and remaining availability are confirmed on the booking screen before you pay.

How long does KDDI and Softbank eSIM in Japan for 1-30 Days with 3GB-Unlimited take?

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Plan for about 24 hours from start to finish, not counting travel to the meeting point. Most travelers leave another 30 minutes on either side so the rest of the day in Tokyo is not rushed.

Is KDDI and Softbank eSIM in Japan for 1-30 Days with 3GB-Unlimited worth it?

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It holds an Outty Ranking of 66 out of 100, which we label "Solid Choice". That score blends traveler sentiment (5/5 across 3 reviews), the depth of that review evidence, recent booking momentum, value for money against comparable last minute in Tokyo, and how flexible the cancellation terms are.

Can I cancel or reschedule KDDI and Softbank eSIM in Japan for 1-30 Days with 3GB-Unlimited?

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Yes. Cancel free up to 24 hours before the start time for a full refund. Inside that window the booking is non-refundable, and no-shows are not refunded.

Is KDDI and Softbank eSIM in Japan for 1-30 Days with 3GB-Unlimited suitable for kids and families?

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The operator sets a minimum age of 16. Older children generally do well here, and families should factor in the 24-hour running time when deciding.

How far in advance should I book KDDI and Softbank eSIM in Japan for 1-30 Days with 3GB-Unlimited?

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Around 1 people booked this in the last 30 days, so popular slots go early. Two to three weeks ahead is comfortable in shoulder season, while summer weekends and holidays in Tokyo can sell out a month out. Same-day spots do open up when other travelers cancel, so it is worth checking if you are already in town.

What should I bring or wear?

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Bring photo ID, your booking confirmation on your phone, a refillable water bottle and comfortable shoes. Dress for the weather in Tokyo and add a light layer if any part of the 24-hour experience runs outdoors or after sunset.

Where does KDDI and Softbank eSIM in Japan for 1-30 Days with 3GB-Unlimited start and how do I get there?

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The exact meeting point and directions are on your voucher once you book, and they sit in central Tokyo within reach of public transport. Arrive 15 minutes early: late arrivals are treated as no-shows by most operators.

What are the best things to do in Tokyo?

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Tokyo is less a city than a stack of neighborhoods with completely different opening hours. A guided food crawl through Shinjuku's Omoide Yokocho gets you past the no-tourist curtains, while the day trips west to Hakone and Fuji need an early start to be worth the fare. Our ranking weighs guide quality heavily here, because in Tokyo the guide is the product. On Outty we rank every Tokyo experience on the same 0 to 100 scale, and alongside this one the highest scorers right now include Tokyo Shinjuku Chopsticks Making Class, Tokyo : Asakusa Chopsticks Making Class, Shinjuku Night Food and Bar Crawl. The city page groups everything into most popular, highest reviewed, last minute and family-friendly so you can build a day around what actually delivers.

When is the best time to visit Tokyo?

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Late March to May for blossom, October to November for clear Fuji views. Booking patterns follow the same curve: prices and queues climb in peak weeks, while shoulder season gives you better availability on the top-ranked experiences and more room to change plans.

How many days do you need in Tokyo?

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Three full days covers the headline sights without sprinting. A workable rhythm is one anchor experience each morning, such as this one, an unhurried afternoon in a single neighborhood, then a food or nightlife booking in the evening. Five days lets you add a day trip outside the city.

Do I book through Outty or through the operator?

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Outty ranks and explains the experiences, then hands you to Viator to complete the booking with the operator directly. The price is the same as booking on Viator yourself, and Outty earns an affiliate commission on the referral, which is how the rankings stay free to read.

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