Japan eSIM — reviews & details
Japan 3GB 30Days (IIJ) · 3 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Ji-woo N.
United States · Jul 2025
Did the job without any drama. Activation was automatic when I arrived in Japan. Five stars from me.
Priya
GotoeSIM Support
· 1 year ago Thanks a lot, Ji-woo! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! – Priya 💜
Sofia C.
Japan · Jul 2025
First time using an eSIM and it was painless. Data lasted the whole trip with room to spare. Telling my friends about this.
Mark
GotoeSIM Support
· 1 year ago Thanks for sharing, Sofia! Thrilled it made staying connected effortless. Wishing you many more connected adventures! — Mark, eSIM TopUp Support
Liam L.
United States · Jul 2025
Honestly better than buying a local SIM at the airport. Data lasted the whole trip with room to spare.
Laura
GotoeSIM Support
· 1 year ago Really appreciate this, Liam! So happy the Japan eSIM kept you connected. Come back anytime! – Laura, eSIM TopUp Support
Giulia G.
Vietnam · Jul 2025
Solid overall, just wish there was a bit more data for the price. Speeds were solid for maps, messaging and browsing.
Omar
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Giulia. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. – Omar, eSIM TopUp Support
Arjun P.
Brazil · Jul 2025
Connected the moment I landed. I kept my normal number for calls while using this for data. Will use eSIM TopUp for my next trip for sure.
Yuki
GotoeSIM Support
· 1 year ago Cheers, Arjun! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — Yuki
Camila N.
UAE · Jul 2025
Bought it the night before my flight — smooth process. Speeds were solid for maps, messaging and browsing.
Sara
GotoeSIM Support
· 1 year ago Really appreciate this, Camila! So pleased it saved you from roaming bills. – Sara, eSIM TopUp Support
Hugo K.
Sweden · Jul 2025
First time using an eSIM and it was painless. Coverage was strong even outside the city.
Tom
GotoeSIM Support
· 1 year ago Thanks a lot, Hugo! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! – Tom, eSIM TopUp Support
Chloe G.
Mexico · Jul 2025
Great value compared to roaming charges. Signal held up well on trains and in rural areas. Zero regrets.
David
GotoeSIM Support
· 1 year ago Thank you for the kind words, Chloe! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! — David
Ananya R.
South Korea · Jul 2025
No more hunting for a SIM card kiosk on arrival. Ran hotspot to my laptop with no issues.
Omar
GotoeSIM Support
· 1 year ago Thanks a lot, Ananya! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Omar
Budi G.
United States · Jul 2025
First time using an eSIM and it was painless in Japan. Ran hotspot to my laptop with no issues. Will use eSIM TopUp for my next trip for sure.
Priya
GotoeSIM Support
· 1 year ago Thanks for sharing, Budi! Thrilled it made staying connected effortless. We're here whenever you travel again. — Priya
James S.
Switzerland · Jul 2025
No more hunting for a SIM card kiosk on arrival. Streaming and video calls worked without buffering. Five stars from me.
Mark
GotoeSIM Support
· 1 year ago Really appreciate this, James! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Mark 💜
Ananya N.
Portugal · Jul 2025
Did the job without any drama. Ran hotspot to my laptop with no issues.
Ingrid
GotoeSIM Support
· 1 year ago So glad to hear this, Ananya! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Ingrid, eSIM TopUp Support
Pablo G.
Mexico · Jul 2025
Great value compared to roaming charges. Coverage was strong even outside the city. Made staying connected effortless.
Ken
GotoeSIM Support
· 1 year ago Thank you for the kind words, Pablo! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – Ken, eSIM TopUp Support
Nguyen W.
Japan · Jul 2025
No more hunting for a SIM card kiosk on arrival. Data lasted the whole trip with room to spare. A must-have for international travel.
Grace
GotoeSIM Support
· 1 year ago Thanks for sharing, Nguyen! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. – Grace 💜
Chloe P.
United Kingdom · Jul 2025
Connected the moment I landed. Topping up was straightforward when I needed more. Exactly as described — no surprises.
Grace
GotoeSIM Support
· 1 year ago So glad to hear this, Chloe! Thrilled it made staying connected effortless. Come back anytime! — Grace, eSIM TopUp Support
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?