Japan eSIM — reviews & details
Japan 3GB 30Days (IIJ) · 3 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Max T.
Italy · Oct 2025
Solid overall, just wish there was a bit more data for the price. Signal held up well on trains and in rural areas.
Priya
GotoeSIM Support
· 9 months ago Apologies for the trouble, Max. That's not the experience we want for Japan. Reach our team at esimtopup.io/support so we can help right away. — Priya
Ananya L.
Ireland · Oct 2025
Did the job without any drama. Customer support answered my question quickly. Made staying connected effortless.
Emma
GotoeSIM Support
· 10 months ago Thanks a lot, Ananya! Thrilled it made staying connected effortless. — Emma, eSIM TopUp Support
Elena C.
Ireland · Oct 2025
Great value compared to roaming charges. Topping up was straightforward when I needed more. A must-have for international travel.
Grace
GotoeSIM Support
· 10 months ago Thanks for sharing, Elena! Wonderful to hear it worked smoothly in Japan. — Grace, eSIM TopUp Support
Budi W.
UAE · Oct 2025
Did the job without any drama. Streaming and video calls worked without buffering.
Priya
GotoeSIM Support
· 10 months ago Really appreciate this, Budi! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – Priya, eSIM TopUp Support
Ji-woo B.
Australia · Oct 2025
Saved me a fortune on my holiday in Japan. Speeds were solid for maps, messaging and browsing. Five stars from me.
James
GotoeSIM Support
· 10 months ago So glad to hear this, Ji-woo! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — James, eSIM TopUp Support
Katya K.
Vietnam · Oct 2025
Decent speeds, though slower than I expected in a few spots. Data lasted the whole trip with room to spare.
David
GotoeSIM Support
· 10 months ago Thanks for the honest feedback, Katya. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. — David, eSIM TopUp Support
Thomas S.
Malaysia · Oct 2025
Used this on my trip and it worked perfectly in Japan. I kept my normal number for calls while using this for data.
Yuki
GotoeSIM Support
· 10 months ago Thanks a lot, Thomas! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — Yuki
Sofia B.
Singapore · Oct 2025
Bought it the night before my flight — smooth process. Coverage was strong even outside the city. Exactly as described — no surprises.
Anna
GotoeSIM Support
· 10 months ago Thank you so much, Sofia! Love that you were online the moment you landed in Japan. We're here whenever you travel again. – Anna, eSIM TopUp Support
Sarah R.
Sweden · Oct 2025
Honestly better than buying a local SIM at the airport. Streaming and video calls worked without buffering. Exactly as described — no surprises.
Emma
GotoeSIM Support
· 10 months ago So glad to hear this, Sarah! Thrilled it made staying connected effortless. Enjoy your journeys! – Emma, eSIM TopUp Support
James H.
Philippines · Oct 2025
No more hunting for a SIM card kiosk on arrival. Setup instructions in the app were clear and simple.
Laura
GotoeSIM Support
· 10 months ago Thank you for the kind words, James! Thrilled it made staying connected effortless. Come back anytime! — Laura, eSIM TopUp Support
Lucia C.
Brazil · Oct 2025
Install took me two tries but was fine after that.
Ken
GotoeSIM Support
· 10 months ago Appreciate you sharing this, Lucia. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at esimtopup.io/support. – Ken 💜
Ava R.
Canada · Oct 2025
Honestly better than buying a local SIM at the airport in Japan. Data lasted the whole trip with room to spare. Made staying connected effortless.
Anna
GotoeSIM Support
· 10 months ago Cheers, Ava! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! – Anna 💜
Chloe W.
Portugal · Oct 2025
No more hunting for a SIM card kiosk on arrival. Ran hotspot to my laptop with no issues. Will use eSIM TopUp for my next trip for sure.
Tom
GotoeSIM Support
· 10 months ago Thanks a lot, Chloe! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. — Tom
Giulia T.
India · Oct 2025
Bought it the night before my flight — smooth process in Japan. I kept my normal number for calls while using this for data.
Sophie
GotoeSIM Support
· 10 months ago Thank you for the kind words, Giulia! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. – Sophie 💜
Budi B.
Singapore · Oct 2025
Super easy to set up before I flew out. Data lasted the whole trip with room to spare. Made staying connected effortless.
Yuki
GotoeSIM Support
· 10 months ago So glad to hear this, Budi! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Yuki 💜
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?