RAPIDeSIM is rated Excellent
Imane YounessVerified reviewCompréhensif
Compréhensif, ils m'ont aidée à activer la carte eSIM étape par étape. Passion avec ses clients, merci, vous méritez les cinq étoiles, c'est une bonne expérience.
· +1M
Travelers who trust us worldwide
What your Japan eSIM includes
- Data
- 1 GB – 50 GB, plus unlimited plans
- Validity
- 7–30 days from activation
- Network
- NTT docomo, Rakuten, KDDI/au
- Installation
- One-tap Quick Install — no QR code needed (iOS 17.4+). QR code and manual setup also included.
- Delivery
- By email, minutes after payment
- Activation
- On arrival, when you switch the line on — up to 180 days to do it
- Top-up
- Rechargeable anytime, no reinstall
- Hotspot
- Supported — share with your travel companions
- Phone number
- Data only — keep your own number for calls, WhatsApp and SMS
- Coverage
- Japan
Not included
- Local phone number
- Calls and SMS
- 5G everywhere — depends on network and device
- Unlimited without rules — Fair-use policy →
Source: computed from this product's 8 plans and its network metafield.
Everything you use at home, everywhere you go
Find your way, stay reachable, share the moment and book the next step, without hunting for Wi-Fi. Typical data use per app, to size your plan.
- Google Maps≈ 10 MB / h
- Waze≈ 20 MB / h
- WhatsApp≈ 300 MB / h (video call)
- Instagram≈ 300 MB / h
- TikTok≈ 800 MB / h
- YouTube≈ 500 MB / h (480p)
- Netflix≈ 1 GB / h (SD)
- Spotify≈ 70 MB / h
- Booking.com≈ 5 MB / search
- Airbnb≈ 5 MB / search
- Uber≈ 10 MB / ride
- Google Translate≈ 1 MB / photo
How much data do I need? Calculator
Estimates for typical use; video quality and background updates change them. Logos belong to their owners.
Visiting other countries too? These regional plans include Japan
One eSIM for the whole trip: same email, same install, nothing to reinstall at the border.
eSIM vs roaming vs local SIM
| eSIM vs roaming vs local SIM | RapideSIM | Roaming | Local SIM |
|---|---|---|---|
| Price known before you leave | ✓ | ✗ | ✓ |
| Ready before you land — no airport queue | ✓ | ✓ | ✗ |
| Keep your number & WhatsApp | ✓ | ✓ | ✗ |
| Local data rates | ✓ | ✗ | ✓ |
| No contract, no hidden fees | ✓ | ✗ | ✓ |
Install before you leave, activate on arrival
- Open Settings → Cellular / Mobile Data
- Tap “Add eSIM”
- Scan the QR code from your email
- Enable data roaming on your RapideSIM line
- Open Settings → Connections / Network
- Open SIM Manager → “Add eSIM”
- Scan the QR code from your email
- Enable data roaming on your RapideSIM line
No QR code? Easy install is also available — just follow the link in your email.
Full step-by-step guide with screenshots →
Full step-by-step guide with screenshots →
- Install at home, on Wi-Fi Installing needs a connection; the plan only starts at destination.
- Data only Your SIM stays in place for calls and SMS; WhatsApp works over the eSIM.
- Compatible, unlocked phone Check in 10 seconds →
Traveler reviews
Collected by Loox from customers who ordered this eSIM. Shown as they are, most recent first.
Japan eSIM: what to know before you travel
Which Japan eSIM plan should you choose?
Budget around 1 GB per week if you stick to maps, messaging and bookings. For a typical one- to two-week trip with social media, photos uploaded each evening and the odd video call, 5 to 10 GB is the right size. Beyond that — remote work, streaming, sharing your connection with the family — go for 20 GB or an unlimited plan. Picked the wrong one? It doesn't matter: the eSIM is rechargeable, so you add data mid-trip without reinstalling anything.
How much does a Japan eSIM cost?
Plans for Japan start at $2.49, and the price table above lists every option with its data, validity and exact price — no surprise charges when you land. The comparison that matters isn't with a local SIM card, it's with your operator's roaming: a few dollars for the whole trip instead of a bill calculated per megabyte. What you see is what you pay, once, and the eSIM never auto-renews.
Do you need a QR code to install your Japan eSIM?
No — and this is exactly the part travellers dread for no reason. Your confirmation email contains a Quick Install link: open it on the phone you're taking with you, tap once, and iOS (17.4 and later) opens the eSIM installer with every setting already filled in. No second screen, no camera, no typing an SM-DP+ address. The QR code and manual setup are still in the same email if you prefer the classic method or you're on Android.
Can you top up your eSIM once you are there?
Yes, and that is the real difference from an airport SIM card. If your data runs out halfway through your trip, you open the top-up page with your order number, pick a new package, and the data lands on the eSIM you already installed within seconds. Nothing to reinstall, no shop to find, no ID to show. Your usual number also stays active on your physical SIM throughout the trip: calls, texts and banking verification codes keep arriving as normal.
Japan: detailed coverage
Japan is the destination where being offline hurts most. Train systems with multiple private operators and transfers measured in minutes, restaurant menus and signage you may need to photograph and translate, addresses that follow block numbering rather than street names, and reserved-seat tickets held in an app.
A Japan eSIM gives you a fixed-price connection from touchdown at Haneda, Narita, Kansai or New Chitose.
How much you will use. More than you expect. Route-planning between Tokyo's stations alone is constant, and camera-based translation is data-heavy. A week is realistically 5 GB; two to three weeks covering Tokyo, Kyoto, Osaka and a detour to Hokkaido or Kyushu is 10–20 GB. Anyone working remotely or streaming should choose unlimited.
- Cities, Shinkansen corridors and tourist regions are extremely well covered.
- Mountain areas, parts of the Japanese Alps and rural Hokkaido thin out.
- Some subway tunnels and long Shinkansen tunnels drop briefly — normal, and brief.
Translation is the killer feature. Camera translation of menus, signs and station boards is what most first-time visitors use their data for, far more than social media. It works in real time and it needs a connection — which is exactly the argument for not relying on convenience-store Wi-Fi.
A note on payments. Japan has moved quickly toward IC cards and QR payment, and topping those up or checking a balance assumes you are online.
Keep your own number. The eSIM is data-only, so your usual line stays active for calls, SMS and bank verification codes.
Choose your plan below, sized for how much translating and route-planning you expect to do. Delivered in minutes, and it starts only once you arrive.
All Japan eSIM plans
| Plan | Validity | Price | Regular price | Per GB / day | Choose → |
|---|---|---|---|---|---|
| 1 GB | 7 days | $2.49 | $2.49/GB | Choose → | |
| 5 GB | 30 days | $7.49 | $1.50/GB | Choose → | |
| 10 GB Most popular | 30 days | $11.49 | $1.15/GB | Choose → | |
| 20 GB | 30 days | $17.99 | $0.90/GB | Choose → | |
| 50 GB | 30 days | $69.99 | $1.40/GB | Choose → | |
| Unlimited | 7 days | $28.99 | $4.14/day | Choose → | |
| Unlimited | 15 days | $60.99 | $4.07/day | Choose → | |
| Unlimited | 30 days | $120.99 | $4.03/day | Choose → |
Source: store plan prices incl. taxes at page load. Per-GB = price ÷ data.
FAQ
Japan eSIM — frequently asked questions
How do I install my Japan eSIM?
Your Japan eSIM arrives by email right after payment, as a QR code. Scan it from your phone settings (Add eSIM), turn on data roaming for the new line, and you’re connected. No QR handy? Use the quick-install link included in the same email.
Follow the visual walkthrough: iPhone guide · Samsung / Android guide.
When should I install it before my trip?
Ideally at home, before you fly — the plan only starts on arrival, once data roaming is on. You have up to 180 days after purchase to activate it, so buying early costs you nothing.
Which networks will my eSIM use?
On arrival, your eSIM connects automatically to NTT docomo, Rakuten, KDDI/au — no manual setup needed. The full coverage details are listed in the Description tab above.
How long do the Japan plans last?
The plans on this page are valid for: 7 DAYS, 30 DAYS, 15 DAYS. The clock starts at activation on arrival, not at checkout — with a 180-day window to activate after purchase.
Can I add more data later?
Yes — this eSIM is rechargeable. Head to the recharge page with your order number, choose a package, and the data lands on your existing eSIM in seconds. No new installation needed.
How can I see how much data is left?
Enter your order number on the recharge & usage page to view your remaining balance and every plan linked to your eSIM.
Does hotspot / tethering work?
It does — turn your phone into a Wi-Fi hotspot and share your data with a laptop, tablet or travel buddy.
What if I run out of data?
Your eSIM simply goes offline — never a surprise bill. Recharge it in a few seconds from the recharge page and you’re back online on the same eSIM.
Will WhatsApp and my usual number keep working?
Absolutely. Your home SIM stays in place for calls, SMS and your WhatsApp account, while the eSIM quietly carries your internet. Remember to switch off data on your home line to dodge roaming fees.
How does unlimited data work here?
Unlimited plans are built for normal travel use — maps, socials, streaming in moderation. Very heavy usage (large downloads, constant background streaming) may be slowed under the fair-use policy. Read the full policy.