Japan eSIM — reviews & details
Japan 3GB 30Days (IIJ) · 3 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Kenji L.
UAE · Jun 2025
Great value compared to roaming charges. Activation was automatic when I arrived. Will use eSIM TopUp for my next trip for sure.
Omar
GotoeSIM Support
· 1 year ago So glad to hear this, Kenji! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Omar, eSIM TopUp Support
Wei W.
Sweden · Jun 2025
Super easy to set up before I flew out. Speeds were solid for maps, messaging and browsing.
Anna
GotoeSIM Support
· 1 year ago Thanks for sharing, Wei! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Anna 💜
Louis D.
Japan · Jun 2025
Super easy to set up before I flew out. Speeds were solid for maps, messaging and browsing. Will use eSIM TopUp for my next trip for sure.
Mark
GotoeSIM Support
· 1 year ago So glad to hear this, Louis! Love that you were online the moment you landed in Japan. — Mark
Katya N.
South Korea · Jun 2025
Did the job without any drama in Japan. The QR code arrived instantly by email.
Ken
GotoeSIM Support
· 1 year ago Thanks for sharing, Katya! So pleased it saved you from roaming bills. Come back anytime! – Ken 💜
Sven N.
Japan · Jun 2025
Honestly better than buying a local SIM at the airport. Topping up was straightforward when I needed more. A must-have for international travel.
Anna
GotoeSIM Support
· 1 year ago Thank you for the kind words, Sven! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – Anna 💜
Katya N.
United States · Jun 2025
Honestly better than buying a local SIM at the airport. Streaming and video calls worked without buffering. Great experience overall.
James
GotoeSIM Support
· 1 year ago So glad to hear this, Katya! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – James 💜
Haruto V.
United States · Jun 2025
Exactly what I needed for travelling. Customer support answered my question quickly. Highly recommend for any traveller.
Mark
GotoeSIM Support
· 1 year ago Thank you so much, Haruto! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! — Mark, eSIM TopUp Support
Ravi W.
Netherlands · Jun 2025
Exactly what I needed for travelling. Customer support answered my question quickly. Made staying connected effortless.
Emma
GotoeSIM Support
· 1 year ago Thanks for sharing, Ravi! Delighted the speeds worked well for you. – Emma 💜
Noah G.
Brazil · Jun 2025
Decent speeds, though slower than I expected in a few spots.
Omar
GotoeSIM Support
· 1 year ago Apologies for the trouble, Noah. This isn't the standard we aim for. Please contact us at esimtopup.io/support and we'll sort it out. – Omar 💜
Hugo W.
Turkey · Jun 2025
Connected the moment I landed. Ran hotspot to my laptop with no issues. Will use eSIM TopUp for my next trip for sure.
Ingrid
GotoeSIM Support
· 1 year ago So glad to hear this, Hugo! Delighted the speeds worked well for you. We're here whenever you travel again. – Ingrid 💜
Linh F.
Italy · Jun 2025
Super easy to set up before I flew out. Streaming and video calls worked without buffering. Exactly as described — no surprises.
Grace
GotoeSIM Support
· 1 year ago Really appreciate this, Linh! Delighted the speeds worked well for you. Come back anytime! – Grace, eSIM TopUp Support
Anna P.
Mexico · Jun 2025
Bought it the night before my flight — smooth process. Customer support answered my question quickly.
Sara
GotoeSIM Support
· 1 year ago Thanks for sharing, Anna! Great to know the setup was quick and easy. Enjoy your journeys! – Sara, eSIM TopUp Support
Yuki M.
Ireland · Jun 2025
Installed in minutes by scanning the QR code in Japan. Setup instructions in the app were clear and simple.
Laura
GotoeSIM Support
· 1 year ago Thank you so much, Yuki! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Laura, eSIM TopUp Support
Wei L.
Japan · Jun 2025
Did the job without any drama. Activation was automatic when I arrived. Exactly as described — no surprises.
Yuki
GotoeSIM Support
· 1 year ago Thanks for sharing, Wei! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Yuki
Emma V.
Mexico · May 2025
No more hunting for a SIM card kiosk on arrival in Japan. Data lasted the whole trip with room to spare. A must-have for international travel.
Ingrid
GotoeSIM Support
· 1 year ago Cheers, Emma! Love that you were online the moment you landed in Japan. — Ingrid
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 3GB 30Days (IIJ) plan costs $2.70 for 3 GB over 30 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 eSIM TopUp 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
Pablo L. · 2 weeks ago
How long does the QR code take to arrive after payment?
Priya H. · 1 month ago
How do I check how much data I have left?
Mateo M. · 2 months ago
Will this keep my WhatsApp active with my home number?
Giulia H. · 3 months ago
Does this work on an iPhone 13?
Omar H. · 5 months ago
Is roaming charged extra or is it all included?
Ingrid F. · 6 months ago
Thanks, installed with no problems on my Samsung.
Haruto V. · 6 months ago
Can I use it in nearby countries too?
Noah D. · 7 months ago
Can I use this for hotspot/tethering?
James S. · 7 months ago
Do I need to install it before I travel or after I arrive?
Katya W. · 8 months ago
Can I top up the same eSIM instead of buying a new one?
Noah V. · 8 months ago
Does the validity start on purchase or on first use?
Liam V. · 10 months ago
Which networks does this connect to?