Japan eSIM — reviews & details
Japan 3GB/Day FUP1Mbps · 3 GB/day · 1 days
620 reviews
Coverage & networks
- Japan NTT docomo 5G Rakuten Mobile 5G KDDI/au 5G SoftBank 5G
Traveller reviews
Anna G.
Portugal · Aug 2026
Great value compared to roaming charges. I kept my normal number for calls while using this for data. Five stars from me.
Tom
eSIM TopUp Support
· 4 days ago Thanks for sharing, Anna! Wonderful to hear it worked smoothly in Japan. — Tom, eSIM TopUp Support
Zoe H.
Sweden · Aug 2026
Saved me a fortune on my holiday. Ran hotspot to my laptop with no issues.
James
eSIM TopUp Support
· 4 days ago Really appreciate this, Zoe! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — James
Elena V.
United Kingdom · Aug 2026
Exactly what I needed for travelling. Signal held up well on trains and in rural areas.
Omar
eSIM TopUp Support
· 6 days ago So glad to hear this, Elena! So happy the Japan eSIM kept you connected. Come back anytime! — Omar, eSIM TopUp Support
Max C.
Japan · Aug 2026
First time using an eSIM and it was painless. Setup instructions in the app were clear and simple. Made staying connected effortless.
Emma
eSIM TopUp Support
· 6 days ago Thanks for sharing, Max! Thrilled it made staying connected effortless. We're here whenever you travel again. — Emma, eSIM TopUp Support
Ethan R.
United States · Aug 2026
Bought it the night before my flight — smooth process. Activation was automatic when I arrived. Great experience overall.
Ingrid
eSIM TopUp Support
· 1 week ago So glad to hear this, Ethan! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! – Ingrid 💜
Sarah F.
Ireland · Aug 2026
Super easy to set up before I flew out. Activation was automatic when I arrived in Japan. Great experience overall.
Priya
eSIM TopUp Support
· 1 week ago Thanks a lot, Sarah! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Priya 💜
Sarah N.
Mexico · Aug 2026
Saved me a fortune on my holiday. The QR code arrived instantly by email. Would definitely buy again.
Sara
eSIM TopUp Support
· 1 week ago Thank you so much, Sarah! So pleased it saved you from roaming bills. Enjoy your journeys! – Sara 💜
Lucas M.
South Korea · Aug 2026
Installed in minutes by scanning the QR code. Speeds were solid for maps, messaging and browsing.
Sophie
eSIM TopUp Support
· 1 week ago So glad to hear this, Lucas! Delighted the speeds worked well for you. We're here whenever you travel again. – Sophie 💜
Grace V.
Indonesia · Aug 2026
Solid overall, just wish there was a bit more data for the price.
Mark
eSIM TopUp Support
· 1 week ago Appreciate you sharing this, Grace. Good to hear it did the job, and we're working to make it even better. Reach us anytime at esimtopup.io/support if we can help. — Mark
Pablo N.
Philippines · Jul 2026
Connected the moment I landed. Customer support answered my question quickly. Exactly as described — no surprises.
Mark
eSIM TopUp Support
· 2 weeks ago Thanks for sharing, Pablo! Delighted the speeds worked well for you. Come back anytime! — Mark, eSIM TopUp Support
Ji-woo B.
Saudi Arabia · Jul 2026
First time using an eSIM and it was painless. Setup instructions in the app were clear and simple. Highly recommend for any traveller.
Tom
eSIM TopUp Support
· 2 weeks ago Thanks a lot, Ji-woo! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – Tom 💜
Hana C.
South Korea · Jul 2026
First time using an eSIM and it was painless. The QR code arrived instantly by email.
Diego
eSIM TopUp Support
· 2 weeks ago Cheers, Hana! Thrilled it made staying connected effortless. – Diego 💜
Isabella P.
Thailand · Jul 2026
Saved me a fortune on my holiday. Coverage was strong even outside the city.
Omar
eSIM TopUp Support
· 2 weeks ago Really appreciate this, Isabella! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! – Omar 💜
Max W.
Poland · Jul 2026
Connected the moment I landed. Speeds were solid for maps, messaging and browsing.
James
eSIM TopUp Support
· 2 weeks ago Thanks for sharing, Max! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – James 💜
Lucia K.
Poland · Jul 2026
Did the job without any drama. Signal held up well on trains and in rural areas. Zero regrets.
Sophie
eSIM TopUp Support
· 3 weeks ago Thank you so much, Lucia! So pleased it saved you from roaming bills. – Sophie, eSIM TopUp Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 3GB/Day FUP1Mbps plan costs $3.80 for 3 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 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
Noah D. · 2 days ago
Does the validity start on purchase or on first use?
Louis C. · 3 days ago
Great guide, the setup steps were really helpful.
Arjun W. · 3 weeks ago
Can I use it in nearby countries too?
Carlos B. · 1 month ago
How long does the QR code take to arrive after payment?
Ravi R. · 2 months ago
Can I use this for hotspot/tethering?
Viktor N. · 2 months ago
Do I need to install it before I travel or after I arrive?
Zoe R. · 3 months ago
Thanks, installed with no problems on my Samsung.
Daniel K. · 6 months ago
Will this keep my WhatsApp active with my home number?
Nadia L. · 7 months ago
Does this work on an iPhone 13?
Mohammed P. · 7 months ago
Which networks does this connect to?
Haruto D. · 7 months ago
Is 5G supported or just 4G?
Haruto P. · 9 months ago
Can I top up the same eSIM instead of buying a new one?