eSIM FOR Tokyo
Get Roamless Single Global eSIM™ for Tokyo and enjoy reliable coverage with flexible ways to stay connected.
Unlimited Plan
Buy unlimited data at one fixed daily price.
Valid only in Japan
1-90 days
3GB/day at full speed
3GB per day at full speed, then 1 Mbps. Resets every 24 hours from your first data use.
Available networks
Technical details
Activation
Activates instantly, connects automatically when arriving Tokyo
PAY AS YOU GO OR DATA PLANS
Pick what works best for you
Select from flexible options designed for quick trips or extended stays—always reliable, always ready.
Unlimited Plan
Pay one price and use data every day of your trip.
Data Plan
Buy mobile data plans for data-heavy needs or longer trips.
Pay as You Go
Pay for what you use and save the remaining balance for your next trip.
- CoverageCoverageUnlimited PlanOnly in a country or regionData PlanOnly in a country or regionPay as You GoValid globally
- ExpirationExpirationUnlimited Plan1-90 daysData Plan30 daysPay as You GoNo expiration
- Mobile dataMobile dataUnlimited PlanBuy Unlimited PlansData PlanBuy data plansPay as You GoBuy Roamless Credits
- In-app callsIn-app callsUnlimited PlanData onlyData PlanData onlyPay as You GoIn-app calls from $0.01/min
Discover Roamless NumbersNew
Get a dedicated phone number for international calls and SMS. Manage everything in the Roamless app.
Subscribe to a phone number for your destination
Make calls with your Caller ID.
Send and receive SMS messages anywhere.
Free calls and messages over WiFi or data.
Subscribe to a phone number for your destination
Make calls with your Caller ID.
Send and receive SMS messages anywhere.
Free calls and messages over WiFi or data.
The best eSIM plans for Tokyo
The Roamless Tokyo eSIM gets you online the moment you land at Haneda or Narita, connected before you board the airport express. Most travelers just leave their home carrier's roaming on, but those plans give you little data for the price and it's easy to overspend. Roamless gives you Japanese data at honest rates instead, and your Tokyo eSIM works across the whole of Japan. From a city week to a longer trip, the same eSIM covers you from day 1 to day 30.
Three ways to pay, depending on how you travel:
- Pay as You Go. Top up your Balance once and only spend what you use. Your Credits never expire, and auto top-up keeps you online. One Balance covers 200+ destinations, so Tokyo and the rest of Japan run on one Balance.
- Data Plan. A fixed amount of data for a set window, paid by card, when you want a known cost upfront.
- Unlimited Plan. One fixed price for the whole trip with nothing to track. You get 3GB a day at full speed, then the connection eases to 1Mbps until your allowance resets 24 hours later, still fine for maps, messaging, and calls, and any day you want full speed you can switch to your Credits. We show that daily amount and the slower speed up front, which is more than most "unlimited" eSIMs will tell you.
Neither one is ever throttled. Roamless runs at full speed the whole trip.
Coverage runs on tier-one Japanese networks, currently KDDI with fast 5G across Tokyo, holding strong even on the metro and the bullet train. Local tip: the city is superbly covered; save offline maps only if you're heading out to Mount Fuji or rural day trips. Travelling beyond the city? Your eSIM already works across Japan on the same Balance.
Setup takes minutes on any eSIM compatible iPhone or Android, and hotspot is included so you can tether your laptop or share with travel companions. Buy ahead without worry: your Balance or Data Plan only starts when the eSIM connects to a Japanese carrier. Before you fly, turn off data roaming on your home carrier's line (your existing SIM, not Roamless) so you're never double-charged.
New to Roamless? Your first 500 MB is on us.
It’s connectivity that fits your needs
Stay connected everywhere
Data, phone numbers, international calls and SMS. All in one app.
One balance for everything
Top up once and use your credits for data, calls, and SMS. Credits never expire.
Single Global eSIM™
Install once to stay connected in 200+ countries. Pay as you go or with plans.
Get a number for calls & SMS
Your dedicated Roamless Numbers for international calls and SMS.
HOW TO USE ROAMLESS
Choose a fixed Data Plan, Unlimited Plan or add Roamless Credits to your account.
Download the Roamless app and install your eSIM once
Enjoy global coverage with no eSIM swapping.
You're all set! Your eSIM will work automatically when you arrive to the destination.
You can check your credits, all plans and rewards anytime through the Roamless app.
