Japan eSIM — reviews & details
Japan 1GB/Day (IIJ) · 1 GB/day · 1 days
106 reviews
Coverage & networks
- Japan NTT docomo 5G
Traveller reviews
Aisha K.
South Korea · Jul 2026
First time using an eSIM and it was painless in Japan. The QR code arrived instantly by email. Will use GotoeSIM for my next trip for sure.
Ingrid
GotoeSIM Support
· 1 month ago Cheers, Aisha! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! – Ingrid 💜
Marco H.
Vietnam · Jul 2026
Bought it the night before my flight — smooth process. I kept my normal number for calls while using this for data. Made staying connected effortless.
Mark
GotoeSIM Support
· 1 month ago Cheers, Marco! So pleased it saved you from roaming bills. — Mark
Giulia L.
France · Jul 2026
Super easy to set up before I flew out in Japan. Streaming and video calls worked without buffering. Will use GotoeSIM for my next trip for sure.
Ingrid
GotoeSIM Support
· 1 month ago Thank you so much, Giulia! Thrilled it made staying connected effortless. — Ingrid
Aisha H.
Switzerland · Jul 2026
Honestly better than buying a local SIM at the airport. Topping up was straightforward when I needed more. Zero regrets.
Ken
GotoeSIM Support
· 1 month ago Thank you for the kind words, Aisha! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Ken, GotoeSIM Support
Linh T.
Egypt · Jul 2026
Connected the moment I landed. I kept my normal number for calls while using this for data. Would definitely buy again.
Diego
GotoeSIM Support
· 1 month ago Cheers, Linh! So happy the Japan eSIM kept you connected. – Diego 💜
Max F.
Switzerland · Jul 2026
Saved me a fortune on my holiday. Coverage was strong even outside the city. A must-have for international travel.
Ken
GotoeSIM Support
· 1 month ago Thank you so much, Max! Thrilled it made staying connected effortless. We're here whenever you travel again. – Ken 💜
Aisha K.
Spain · Jul 2026
Decent speeds, though slower than I expected in a few spots.
Diego
GotoeSIM Support
· 1 month ago Appreciate you sharing this, Aisha. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at gotoesim.com/support. — Diego, GotoeSIM Support
Ryan N.
Saudi Arabia · Jul 2026
First time using an eSIM and it was painless. I kept my normal number for calls while using this for data.
David
GotoeSIM Support
· 1 month ago Really appreciate this, Ryan! Great to know the setup was quick and easy. – David 💜
Carlos L.
Switzerland · Jul 2026
First time using an eSIM and it was painless. Data lasted the whole trip with room to spare. Zero regrets.
Ingrid
GotoeSIM Support
· 1 month ago Really appreciate this, Carlos! So happy the Japan eSIM kept you connected. Enjoy your journeys! — Ingrid, GotoeSIM Support
Min-jun F.
New Zealand · Jul 2026
Exactly what I needed for travelling. Activation was automatic when I arrived.
Grace
GotoeSIM Support
· 1 month ago Thank you so much, Min-jun! Thrilled it made staying connected effortless. We're here whenever you travel again. – Grace, GotoeSIM Support
Noah H.
South Korea · Jul 2026
Did the job without any drama in Japan. I kept my normal number for calls while using this for data. Exactly as described — no surprises.
Omar
GotoeSIM Support
· 1 month ago Cheers, Noah! So happy the Japan eSIM kept you connected. — Omar
Budi G.
Vietnam · Jul 2026
Exactly what I needed for travelling. I kept my normal number for calls while using this for data. Highly recommend for any traveller.
Mark
GotoeSIM Support
· 1 month ago Really appreciate this, Budi! Great to know the setup was quick and easy. We're here whenever you travel again. – Mark, GotoeSIM Support
Omar N.
Ireland · Jul 2026
Bought it the night before my flight — smooth process in Japan. Speeds were solid for maps, messaging and browsing. Zero regrets.
Mark
GotoeSIM Support
· 1 month ago Cheers, Omar! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. — Mark
Linh D.
South Korea · Jul 2026
Saved me a fortune on my holiday in Japan. The QR code arrived instantly by email. Would definitely buy again.
Ken
GotoeSIM Support
· 1 month ago Thanks for sharing, Linh! So pleased it saved you from roaming bills. We're here whenever you travel again. – Ken, GotoeSIM Support
Pablo G.
Thailand · Jul 2026
Super easy to set up before I flew out. Data lasted the whole trip with room to spare.
Tom
GotoeSIM Support
· 2 months ago Really appreciate this, Pablo! Thrilled it made staying connected effortless. – Tom 💜
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 1GB/Day (IIJ) plan costs $1.60 for 1 GB/day over 1 days, paid once with no hidden fees.
How do I activate my Japan eSIM?
Scan the QR code in your phone settings (Cellular/Mobile → Add eSIM) or tap Install in the GotoeSIM app. Install on Wi-Fi before your trip; it activates when you arrive in Japan.
Will this eSIM work on my phone?
It works on any eSIM-compatible, carrier-unlocked phone — iPhone XS and newer, Google Pixel 3 and newer, and recent Samsung Galaxy models.
Can I keep my regular number?
Yes. The eSIM runs alongside your normal SIM, so you keep your number for calls and texts while using data in Japan.
Comments & questions
Noah G. · 1 month ago
Does this work on an iPhone 13?
Hi Noah! Yes, the Japan eSIM works perfectly on your iPhone 13 since it's eSIM-compatible. You can easily install it by scanning the QR code or through the GotoeSIM app. If you have any other questions, feel free to ask! – Ingrid, GotoeSIM Support
Liam L. · 1 month ago
Is 5G supported or just 4G?
5G is available where covered, Liam — you'll always get the best speed on offer. – Laura 💜
Max M. · 2 months ago
Does the validity start on purchase or on first use?
Validity usually starts when you first connect in your destination, Max — not at purchase. – Ken 💜
Lea F. · 3 months ago
Will this keep my WhatsApp active with my home number?
Yes Lea, WhatsApp keeps working with your home number — the eSIM only carries data. — David
Ryan K. · 3 months ago
Which networks does this connect to?
It connects to trusted local partner networks, Ryan, on 4G/5G where available. — Anna
Ava R. · 3 months ago
Can I use this for hotspot/tethering?
Yes Ava, hotspot/tethering works fine — share your data to a laptop or tablet anytime. — Ingrid
Ingrid M. · 3 months ago
Does this work on an iPhone 13?
Yes Ingrid, it works on iPhone XS and newer — just add the eSIM under Settings › Cellular › Add eSIM. – Diego, GotoeSIM Support
Thomas F. · 4 months ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Thomas! Add it via SIM manager and you're set. — Emma, GotoeSIM Support
Sven W. · 5 months ago
Can I use it in nearby countries too?
This plan covers its listed destination, Sven — for multiple countries, check our regional plans. — Omar, GotoeSIM Support
Sofia S. · 8 months ago
How do I check how much data I have left?
Your usage is tracked live in the app, Sofia — check My eSIMs anytime. – Ingrid, GotoeSIM Support
Linh G. · 9 months ago
Do I need to install it before I travel or after I arrive?
Install on Wi-Fi before you fly, Linh — it switches on when you land. — James
Emma V. · 11 months ago
How long does the QR code take to arrive after payment?
Your QR code arrives instantly, Emma — within seconds of payment, by email and in your account. — Laura
Louis F. · 1 year ago
Great guide, the setup steps were really helpful.
So glad it helped, Louis! We're always here if you need anything. — Sophie