Japan eSIM — reviews & details
Japan 3GB 15Days (nonhkip) · 3 GB · 15 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
Traveller reviews
Sarah D.
Singapore · May 2026
Used this on my trip and it worked perfectly in Japan. Data lasted the whole trip with room to spare.
Anna
GotoeSIM Support
· 2 months ago Cheers, Sarah! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – Anna, eSIM TopUp Support
Giulia K.
Saudi Arabia · May 2026
No more hunting for a SIM card kiosk on arrival. Streaming and video calls worked without buffering. Highly recommend for any traveller.
Mark
GotoeSIM Support
· 2 months ago Thanks a lot, Giulia! Delighted the speeds worked well for you. We're here whenever you travel again. – Mark, eSIM TopUp Support
Ethan W.
Ireland · May 2026
Exactly what I needed for travelling. The QR code arrived instantly by email. Zero regrets.
James
GotoeSIM Support
· 2 months ago Cheers, Ethan! Wonderful to hear it worked smoothly in Japan. – James 💜
Nguyen L.
Portugal · May 2026
Did the job without any drama in Japan. Setup instructions in the app were clear and simple.
Ingrid
GotoeSIM Support
· 2 months ago Thanks a lot, Nguyen! So happy the Japan eSIM kept you connected. — Ingrid, eSIM TopUp Support
Sven D.
Turkey · May 2026
Decent speeds, though slower than I expected in a few spots.
Priya
GotoeSIM Support
· 2 months ago Apologies for the trouble, Sven. That's not the experience we want for Japan. Please contact us at esimtopup.io/support and we'll sort it out. – Priya, eSIM TopUp Support
Anna B.
Italy · May 2026
Great value compared to roaming charges. Customer support answered my question quickly.
Emma
GotoeSIM Support
· 2 months ago Cheers, Anna! Love that you were online the moment you landed in Japan. Enjoy your journeys! — Emma, eSIM TopUp Support
Ethan C.
Thailand · May 2026
Saved me a fortune on my holiday in Japan. Coverage was strong even outside the city. Telling my friends about this.
Sophie
GotoeSIM Support
· 2 months ago So glad to hear this, Ethan! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — Sophie, eSIM TopUp Support
Nadia W.
India · May 2026
Worked fine but took a little while to connect at first. Customer support answered my question quickly.
Mark
GotoeSIM Support
· 3 months ago Apologies for the trouble, Nadia. This isn't the standard we aim for. Please contact us at esimtopup.io/support and we'll sort it out. – Mark, eSIM TopUp Support
Louis D.
Sweden · May 2026
First time using an eSIM and it was painless. The QR code arrived instantly by email. Highly recommend for any traveller.
David
GotoeSIM Support
· 3 months ago Thanks a lot, Louis! Delighted the speeds worked well for you. Wishing you many more connected adventures! – David, eSIM TopUp Support
Ava G.
Malaysia · May 2026
Great value compared to roaming charges. Activation was automatic when I arrived.
Laura
GotoeSIM Support
· 3 months ago Thank you for the kind words, Ava! Delighted the speeds worked well for you. Come back anytime! — Laura, eSIM TopUp Support
Marco H.
Malaysia · May 2026
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare. Will use eSIM TopUp for my next trip for sure.
Laura
GotoeSIM Support
· 3 months ago Thanks for sharing, Marco! So pleased it saved you from roaming bills. Come back anytime! – Laura, eSIM TopUp Support
Arjun L.
South Korea · May 2026
Did the job without any drama. Coverage was strong even outside the city. Zero regrets.
Omar
GotoeSIM Support
· 3 months ago Cheers, Arjun! Thrilled it made staying connected effortless. Enjoy your journeys! – Omar 💜
Chloe F.
Vietnam · May 2026
Great value compared to roaming charges in Japan. Coverage was strong even outside the city. Exactly as described — no surprises.
Ken
GotoeSIM Support
· 3 months ago So glad to hear this, Chloe! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! – Ken 💜
Budi M.
South Korea · May 2026
Did the job without any drama. Data lasted the whole trip with room to spare. A must-have for international travel.
Yuki
GotoeSIM Support
· 3 months ago Thanks for sharing, Budi! So pleased it saved you from roaming bills. Enjoy your journeys! — Yuki, eSIM TopUp Support
Sofia N.
Egypt · May 2026
Bought it the night before my flight — smooth process. Customer support answered my question quickly. Will use eSIM TopUp for my next trip for sure.
Emma
GotoeSIM Support
· 3 months ago Thanks for sharing, Sofia! So happy the Japan eSIM kept you connected. We're here whenever you travel again. — Emma
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 3GB 15Days (nonhkip) plan costs $4.29 for 3 GB over 15 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
Aisha T. · 1 month ago
Thanks, installed with no problems on my Samsung.
Ananya P. · 1 month ago
Do I need to install it before I travel or after I arrive?
Haruto B. · 2 months ago
How long does the QR code take to arrive after payment?
Mei D. · 3 months ago
Is roaming charged extra or is it all included?
Arjun W. · 6 months ago
Can I use it in nearby countries too?
Fatima T. · 6 months ago
Will this keep my WhatsApp active with my home number?
Ethan S. · 6 months ago
Is 5G supported or just 4G?
Kenji M. · 11 months ago
Can I use this for hotspot/tethering?
James G. · 11 months ago
Can I top up the same eSIM instead of buying a new one?
Ava T. · 1 year ago
How do I check how much data I have left?
Ethan W. · 1 year ago
Does this work on an iPhone 13?
Max H. · 1 year ago
Which networks does this connect to?