NTT docomo
2GB/day for 1 days
500MB
1 days
Japan - IIJ Docomo
Coverage
$1.0
USD
4G LTEData onlyInstant QR
View optionsJapan eSIM
523 plans · From $0.8 USD
Stay connected across Tokyo, Kyoto, Osaka and beyond with an instant Japan eSIM. 4G/5G data on major local networks — no SIM swap, no roaming surprises.
Y!Mobile
500MB/day for 1 days
500MB
1 days
Japan
Coverage
$0.9
USD
4G/5GData onlyInstant QR
View optionsau
1GB/day for 1 days
500MB
1 days
Japan
Coverage
$0.8
USD
Data onlyInstant QR
View options24 countries
1GB total over 3 days
300MB
3 days
24 countries
Coverage
$4.2
USD
HotspotData onlyMulti-countryInstant QR
View optionsAsia-Pacific 11 countries
Unlimited (FUP at 5Mbps)
500MB
1 days
Asia-Pacific 11 countries
Coverage
$1.2
USD
4G/5GData onlyMulti-countryInstant QR
View optionsAsia-Pacific 15 countries
3GB/day for 1 days
500MB
1 days
Asia-Pacific 15 countries
Coverage
$1.2
USD
4G/5GHotspotData onlyMulti-country
View optionsWhy travelers choose GoWorldeSIM in Japan
Japan is one of the most rewarding — and connectivity-dependent — destinations in the world. From navigating Tokyo's vast train network to translating menus in a Kyoto izakaya, mobile data is part of every traveler's day.
A GoWorldeSIM Japan plan delivers an eSIM QR code to your inbox within minutes of purchase. Install it before you fly, activate when you land, and your phone connects to a Japanese network automatically. No queue at the airport SIM counter, no language barrier with a clerk, no surprise roaming bill from your home carrier.
What you get
Tokyo & nationwide 4G/5G
Coverage on Japan’s top-tier carriers in every prefecture, including rural and mountain regions.
Instant install
QR code by email within minutes. Set up before departure so you connect the moment you land.
Keep your home number
Dual-SIM your eSIM beside your physical SIM. WhatsApp, banking SMS and calls keep working.
Flexible plan sizes
From short city breaks to month-long trips — pick by data per day or total allowance.
No deposit or KYC
No passport scan, no Japanese address required. Pay online and download.
Networks we use in Japan
Your eSIM connects to one of Japan’s top mobile carriers automatically — no manual selection needed.
NTT DocomoSoftBankKDDI au
Local tips for travelers
- Many Japanese restaurants and shrines have weak indoor signal — a 4G/5G eSIM with hotspot helps when you're moving fast between locations.
- Google Maps + transit cards (Suica/PASMO in your Apple/Google Wallet) work flawlessly on local networks once your eSIM is active.
- Free Wi-Fi at airports (Haneda, Narita, Kansai) is good for the initial eSIM install if you forgot to set it up at home.
- Activate data roaming on the eSIM line in Settings after you land — without that toggle, the eSIM won't pick up the Japanese network.
Best season: Spring (Mar–May) for cherry blossoms; Autumn (Oct–Nov) for foliage.
Japan eSIM — Frequently Asked Questions
Does the eSIM work all over Japan, including Hokkaido and Okinawa?+
Yes. Plans run on Japan’s nationwide carriers, so coverage extends from Hokkaido to the southern Okinawa islands. Speeds may dip in remote mountain or sea routes, as with any local SIM.
Can I tether / use hotspot in Japan with this eSIM?+
Most of our Japan plans support hotspot. The plan page indicates whether tethering is included before you buy. If it's important for you, look for plans marked with hotspot support.
Will my iPhone bought in China or Hong Kong work with a Japan eSIM?+
iPhones sold in mainland China, Hong Kong and Macao generally do not support eSIM (except 13 mini, 12 mini, SE and XS). Models bought in other markets are fine. Check our compatibility tool before purchase.
What about staying for more than 30 days in Japan?+
For longer trips, choose a 30-day plan and purchase another for the remaining days, or pick an unlimited monthly plan. Top-up may also be available depending on the plan.