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Top-up: Anytime Internet speed: 4G/5G
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eSIM Japan

5G
4.6/5Excellent
300,000+ travelers use eSIMFOX

Mobile data in Japan from €3.99 with NTT Docomo & SoftBank. Install your eSIM digitally and keep your WhatsApp number.From €3.99 on NTT Docomo & SoftBank. Ready to connect – no contract.

Choose your Mobile Data eSIM Japan

Validity starts with the first network connection in Japan, not when you buy.

Choose number of eSIMsHow many travelers?
1
Total 10 GB · 30 days
€27.99
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10 GB · 30 days€27.99
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eSIM Features

eSIM Specifications for Japan

Type

Prepaid eSIM (digital)

Networks
NTT DocomoSoftBank
Speed

4G / 5G where available

Installation

QR code or manual setup

Compatibility

iPhone, Samsung, Pixel & other eSIM-capable devices

Calls & SMS

Data only

Top-up

No new eSIM required

Delivery

Instant via email & dashboard

Roaming charges

No additional roaming charges

Validity starts

On the first network connection in Japan

eKYC (ID Verification)

Not Required

Support

24/7 via WhatsApp

Network & coverage

Which network does your eSIM use in Japan?

Your eSIM connects automatically to the strongest available partner network – the same masts the locals use.

  • NTT Docomo
    Download
    56 Mbit/s
    Upload
    9 Mbit/s
    Latency
    93 ms
    5G107 · 15 Mbit/s · 92 ms
  • SoftBank

4 networks independently tested nationwide·Source: nPerf 2026 barometer (PDF, opens in a new tab)

  • Automatic network selection

    Always the best available signal, with no manual switching.

  • 4G/LTE & 5G

    Fast mobile internet wherever the network supports it.

  • Reliable coverage

    A stable connection in cities and the most-visited regions.

Actual speed and coverage depend on location, device and network load.

Activation

Activate your Japan eSIM in 3 steps

Ready in minutes — no physical SIM card needed.

  1. Buy a plan

    QR code instantly by email

  2. Install the eSIM

    Scan the QR code at home over Wi‑Fi

  3. Get online

    turn on data roaming in Japan

Setup takes just 2 minutes: iPhone Settings → Cellular → Add eSIM, Android Network & internet → SIMs. Your plan’s validity starts on first use, not at purchase.

Is your device eSIM‑ready? Check compatibility

How to activate the eSIM on iPhone (iOS)

  1. Connect your iPhone to Wi‑Fi and open Settings.
  2. Tap Cellular → Add eSIM → Use QR Code.
  3. Scan the QR code from your eSIMFOX email. Or choose Enter Details Manually and paste the SM‑DP+ address and activation code.
  4. Name the plan, e.g. “eSIMFOX Japan”, and keep your main SIM as the default line for calls.
  5. Only on arrival: select the profile, Turn On This Line and enable Data Roaming.

How to activate the eSIM on Android (Samsung, Pixel & co.)

  1. Connect your phone to Wi‑Fi and open Settings.
  2. Go to Network & internet → SIMs (Samsung: Connections → SIM manager) and tap Add eSIM.
  3. Choose Scan QR code and scan the code from your eSIMFOX email — or enter the activation details manually.
  4. Confirm the profile download and name it, e.g. “eSIMFOX Japan”.
  5. Only on arrival: turn on the eSIM profile, set it as your mobile data SIM and enable data roaming for it.

Exact menu names may vary slightly by phone model and Android version. For a full step‑by‑step guide by device, see our eSIM activation guide.

Your data needs in Japan

Start with your trip length and daily habits. Get a useful estimate and a package that covers it.

How long is your trip?
How will you use the internet?

Your data budget

Japan

≈ 5 GB

For 7 days of travel

Includes a 20% reserve

A plan that covers this need

5 GB30 days

View this plan

Starting point: about 0.5 GB per day, rounded up to the next GB. Estimate for one device.

What actually uses your data

  • Maps and messages

    Directions, bookings and text messages use little data. Photos and video calls change that.

  • Streaming music

    Spotify: about 40–150 MB per hour at normal to very high quality, excluding lossless audio.

  • Films and series

    Netflix: up to 3 GB per hour in HD. Video quality makes a big difference.

All figures are estimates. Actual usage depends on your device, app settings and habits. Apps are examples of usage, not a guarantee of availability in every country.

Japan eSIM comparison: eSIMFOX vs other eSIM services

Discover the advantages of eSIMFOX for your next trip.

Scroll to compare providers

eSIMFOX
RecommendedCurrent eSIMFOX price
Airalo
July 2026
Holafly
July 2026
Saily
July 2026
Nomad
July 2026
Ubigi
July 2026
€2.80/GB10 GB · 30 days · €27.99€2.04/GB≈ 0.7× this per-GB rate€3.79/day€2.04/GB≈ 0.7× this per-GB rate€1.85/GB≈ 0.7× this per-GB rate€1.85/GB≈ 0.7× this per-GB rate

Competitor reference prices are dated July 2026. Their bundle sizes and validity are not specified. eSIMFOX shows its current lowest fixed-plan price per GB; the plan is linked in the eSIMFOX column. Multiples compare the displayed rates, with different observation dates. Unlimited daily prices are separate.

Why choose an eSIM for Japan?

No roaming charges

Roaming charges can add up quickly. Get a prepaid data plan for Japan & stay in control of your phone bill.

Connect in a few taps

Activate your eSIM before your flight — your data will be ready to use when you land.

Flexible plans

Choose from several affordable data plans for Japan. Get as much or as little data as you need.

One eSIM for all travel

Add new destinations to your existing eSIM through the eSIMFOX dashboard — no new eSIMs needed.

Comparison

eSIM or local SIM card for Japan?

Both get you online – here's how they differ for your trip.

Comparison: an eSIMFOX eSIM versus a local SIM card in Japan
CriterioneSIMFOX eSIM RecommendedLocal SIM card in Japan
Available from Before you leave – QR code instantly by emailOnly on arrival – at the airport or a shop
Setup Scan the QR code, active in 2 minutesQueue up, often with ID registration
Your home number Stays active (Dual-SIM) – reachable for SMSSIM swap needed – number offline
Cost Fixed package price, no roaming feesVariable, sometimes a tourist markup
Top up Anytime in your dashboard, no new SIMOnly on-site in a shop or app
Ideal forTravelers with an eSIM-capable phonePhones without eSIM or very long stays

For most travelers the eSIM is the faster and cheaper choice – with no waiting at the airport.

Scroll the table sideways to see all columns.

eSIM Questions

Find answers to common questions about eSIM activation, compatibility, top-ups, and more.

The best eSIM for Japan pairs the most reliable local networks with flexible plans. eSIMFOX connects you to the NTT Docomo and SoftBank networks, with plans from 1 GB to 50 GB, activation in 2 minutes and a fixed price from €4.99.

Everything about eSIM Japan

More tips for your trip. Open the topic you want to read.

Best eSIM for Travel to Japan

Planning your trip to Japan? A reliable data connection is essential for navigating Tokyo's complex metro system or finding that hidden ramen shop in Kyoto. The best eSIM for travel to Japan offers strong 4G/5G coverage across urban centers and rural areas alike. Look for plans that include tethering capabilities so you can connect multiple devices when needed. Most quality providers offer various duration options, from 7-day packages perfect for short visits to 30-day plans for extended stays. With instant digital delivery, you can set up your connection before boarding your flight and stay connected from the moment you land at Narita or Haneda Airport.

How to Get eSIM in Japan for Tourists

Getting connected in Japan has never been easier for international visitors. Instead of searching for physical SIM cards at Haneda Airport or dealing with language barriers at local shops, you can purchase a prepaid eSIM for Japan online before your trip. With eSIMFOX, you receive a single eSIM that works across multiple countries. For example, when you buy an eSIM for Japan, you can later easily add data packages for other countries like Turkey, USA, Spain, etc. on the same eSIM. The activation process is straightforward—simply scan a QR code, follow the on-screen instructions, and you'll be connected to Japan's robust 4G/5G networks within minutes. Most tourist-friendly eSIMs offer excellent coverage through partnerships with top local carriers like NTT DoCoMo or SoftBank.

Cheap eSIM Plans Japan with High-Speed Data

Budget-conscious travelers will find plenty of affordable eSIM options for Japan without sacrificing quality. Cheap eSIM plans for Japan typically start around $15-20 for 7-day packages with several GB of high-speed data—more than enough for maps, translation apps, and social media sharing. For longer stays, 30-day plans offer better value per gigabyte. Most economical plans provide access to Japan's premium 4G/5G networks, ensuring you stay connected even in busy areas like Shibuya Crossing or while traveling on the Shinkansen bullet train. These prepaid plans eliminate surprise bills and roaming charges, allowing you to enjoy your Japanese adventure without constant worry about data usage. Compare different providers to find the best balance of price and performance for your specific needs.

eSIM Japan for iPhone and Device Compatibility

Wondering about eSIM compatibility in Japan? Modern iPhones (XS, XR, and newer models) fully support eSIM technology and work seamlessly with Japanese networks. Android users with Google Pixel (3 and newer), Samsung Galaxy (S20 and newer), and other recent flagship phones can also enjoy the convenience of eSIM technology. Before purchasing, verify your device compatibility through your phone settings or the manufacturer's website. Japanese carriers like NTT DoCoMo, SoftBank, and au by KDDI all support eSIM technology, providing excellent coverage throughout the country. With an eSIM-compatible device, you'll enjoy faster connection speeds and the flexibility to keep your home SIM active for calls while using your Japanese eSIM for data.

7 Days eSIM for Japan: Perfect for Short Trips

A 7-day eSIM for Japan is ideal for weekend getaways or business trips, offering just the right amount of data without unnecessary expense. These short-term plans typically include 5-10GB of high-speed data—sufficient for essential travel apps, navigation, social media sharing, and even occasional video calls. With eSIMFOX, you receive a single eSIM that works across multiple countries. For example, when you buy an eSIM for Japan, you can later easily add data packages for other countries like Turkey, USA, Spain, etc. on the same eSIM. Activation is instant upon arrival, and you'll connect to premium Japanese networks offering reliable coverage from Tokyo to Osaka and beyond. The hotspot feature allows you to share your connection with travel companions or other devices. For those extending their stay unexpectedly, many providers offer simple top-up options without requiring a new eSIM. Secure your 7-day Japan eSIM today and enjoy hassle-free connectivity throughout your journey.

Prepaid eSIM with NTT DoCoMo in Japan

For travelers seeking the most reliable network experience, a prepaid eSIM with NTT DoCoMo in Japan is an excellent choice. As Japan's largest mobile carrier, NTT DoCoMo offers exceptional coverage even in remote areas like Hokkaido's mountains or the islands of Okinawa. Their 4G/5G network delivers consistently fast speeds, making it perfect for everything from Google Maps navigation to high-quality video calls with family back home. Most prepaid DoCoMo eSIM packages include personal hotspot functionality, allowing you to share your connection with laptops or other travelers' devices. The activation process is straightforward—simply scan the provided QR code once you've purchased your plan, and you'll be connected upon arrival at Narita Airport or anywhere else in Japan. With data-only options starting from 1GB for light users up to 20GB for heavy data consumers, there's a DoCoMo eSIM plan to match every traveler's needs.