Can I keep my own number in Japan?

Yes. Keep your physical SIM for calls and texts and use the Japan eSIM for data. Your number and apps stay the same.

How much does an eSIM for Japan cost?

Plans for Japan start at $2.99. The best value per GB is 50GB for 3 days at $18.99, about $0.38 per GB.

Which networks does the Japan eSIM use?

Our Japan plans connect to DOCOMO, KDDI, Softbank and NTT Docomo, with 3G, 4G and 5G where the network offers it.

Is there an unlimited eSIM for Japan?

Yes. Daily unlimited plans for Japan start at $2.99. Each day you get high-speed data, then a lower speed until the next day, as shown in the plan details.

Japan eSIM

Q: When does my Japan plan start?

All 181 plans for Japan start when the eSIM first connects and uses data, not when you buy or install it. Each plan shows when it starts before you pay.

Instant data plans from $2.99. No physical SIM, activate in minutes.

DOCOMO and KDDI networks4G and 5GHotspot sharing1,500+ travellers

1. How many days will you stay in Japan?

2. Choose your data for 1 day

Validity starts when you first connect in JapanData only, keep your number for callsShare data with your devices

Plan details

Data

Unlimited

Validity

1 day

Speed

Networks

2G,3G,4G

Type

Data only

Tethering

Yes

Renewable

Throttled to

256kbps

Full-speed data

2GB

Plan type

Country

eSim will be activated when first byte of data is consumed. Choose from Unlimited, Plus, or Premium plans with daily high-speed data (1GB, 2–3GB, or 5GB) and unlimited data at reduced speeds afterward. Data limits reset every 24 hours from first use.

Good to know

If you do not use it within 30 days of purchase, the plan starts automatically.

Japan · Unlimited · 1 day

$2.99

Delivered in minutesQR code by email right after payment

Keep your numberYour own SIM stays for calls and texts

24/7 supportReal people ready to help

Clear refund policyRead the terms

Japan eSIM at a glance

181 plans from $2.99, valid from 1 day to 31 days
Best price per GB: 50GB for 3 days at $18.99 (about $0.38 per GB)
Daily unlimited plans from $2.99
Networks: DOCOMO, KDDI, Softbank, NTT Docomo
Network types: 3G, 4G and 5G
Hotspot sharing on 181 of 181 plans

Ready in 3 steps

Install it before you fly. It works the moment you arrive in Japan.

1Choose your plan and payPick the days and the data you need.
2Install in one tapFrom your email or the app, or scan the QR code.
3Connect when you landTurn on data roaming for the eSIM and you are online.

Travelling beyond Japan?

These regional and global plans cover Japan too, one eSIM for your whole trip.

Japan eSIM prices

The cheapest Japan data plans, updated daily.

		Network
0.49GB	1 day	5G	$3.99
1GB	15 days	5G	$3.99
1GB	30 days	5G	$3.99
1GB	5 days	5G	$3.99
Unlimited	1 day	4G	Lowest$2.99
Unlimited	1 day	5G	Lowest$2.99
Unlimited	4 days	5G	$3.99
Unlimited	1 day	5G	$3.99
Unlimited	2 days	5G	$3.99
Unlimited	2 days	5G	$3.99

Japan eSIM FAQ

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Contact support

Travel eSIM for Japan

Skip expensive roaming and airport SIM queues. A WiiLine Japan eSIM gives you reliable mobile data across Japan the moment you arrive. Buy online, get your QR code by email and install it in minutes before you fly. Keep your usual number for calls and messages while the eSIM handles the data.

How do I get an eSIM for Japan?

Pick a Japan data plan above and pay. We email your eSIM QR code within minutes. Scan it to install, no physical SIM required.

Will a Japan eSIM work on my phone?

You need an eSIM-compatible, carrier-unlocked phone. Check the exact model in your device settings or with its manufacturer before buying.

When does my Japan plan start?

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Regional and global eSIM plans

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