Japan eSIM — reviews & details
Japan 3GB 30Days · 3 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 5G Rakuten Mobile 5G KDDI/au 5G SoftBank 5G
Traveller reviews
Max B.
South Korea · Oct 2024
Super easy to set up before I flew out. Streaming and video calls worked without buffering. Exactly as described — no surprises.
James
eSIM TopUp Support
· 1 year ago So glad to hear this, Max! Great to know the setup was quick and easy. Come back anytime! – James, eSIM TopUp Support
Diego S.
Brazil · Oct 2024
Saved me a fortune on my holiday. The QR code arrived instantly by email. Made staying connected effortless.
Sophie
eSIM TopUp Support
· 1 year ago Thanks for sharing, Diego! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – Sophie, eSIM TopUp Support
Somchai B.
Spain · Oct 2024
Connected the moment I landed. Data lasted the whole trip with room to spare. Five stars from me.
Sophie
eSIM TopUp Support
· 1 year ago Thank you for the kind words, Somchai! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Sophie, eSIM TopUp Support
Emma P.
Netherlands · Oct 2024
Worked fine but took a little while to connect at first. Signal held up well on trains and in rural areas.
Anna
eSIM TopUp Support
· 1 year ago Apologies for the trouble, Emma. This isn't the standard we aim for. Reach our team at esimtopup.io/support so we can help right away. – Anna, eSIM TopUp Support
Max D.
Saudi Arabia · Sep 2024
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing. Five stars from me.
Omar
eSIM TopUp Support
· 1 year ago So glad to hear this, Max! Love that you were online the moment you landed in Japan. Come back anytime! – Omar 💜
Haruto H.
South Korea · Sep 2024
Good coverage in the city, a bit patchy in remote areas.
Sara
eSIM TopUp Support
· 1 year ago Appreciate you sharing this, Haruto. 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. – Sara, eSIM TopUp Support
Daniel R.
Ireland · Sep 2024
Decent speeds, though slower than I expected in a few spots.
David
eSIM TopUp Support
· 1 year ago Thanks for the honest feedback, Daniel. Glad it mostly worked for you in Japan — we're always improving our coverage. Reach us anytime at esimtopup.io/support if we can help. — David
Carlos W.
Mexico · Sep 2024
Used this on my trip and it worked perfectly. I kept my normal number for calls while using this for data. Highly recommend for any traveller.
Priya
eSIM TopUp Support
· 1 year ago Thanks a lot, Carlos! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! – Priya, eSIM TopUp Support
Budi P.
Spain · Sep 2024
No more hunting for a SIM card kiosk on arrival. Data lasted the whole trip with room to spare. Zero regrets.
Sophie
eSIM TopUp Support
· 1 year ago So glad to hear this, Budi! So pleased it saved you from roaming bills. We're here whenever you travel again. – Sophie 💜
Elena T.
United States · Sep 2024
First time using an eSIM and it was painless in Japan. Customer support answered my question quickly. Will use eSIM TopUp for my next trip for sure.
Diego
eSIM TopUp Support
· 1 year ago Cheers, Elena! Delighted the speeds worked well for you. We're here whenever you travel again. – Diego, eSIM TopUp Support
Ravi M.
United Kingdom · Sep 2024
Worked fine but took a little while to connect at first. Customer support answered my question quickly.
Sophie
eSIM TopUp Support
· 1 year ago Apologies for the trouble, Ravi. This isn't the standard we aim for. Reach our team at esimtopup.io/support so we can help right away. – Sophie, eSIM TopUp Support
Sri V.
India · Sep 2024
Honestly better than buying a local SIM at the airport. Signal held up well on trains and in rural areas. Made staying connected effortless.
Emma
eSIM TopUp Support
· 1 year ago Cheers, Sri! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Emma 💜
Daniel M.
Japan · Sep 2024
Great value compared to roaming charges. Activation was automatic when I arrived. A must-have for international travel.
Sophie
eSIM TopUp Support
· 1 year ago Thank you so much, Daniel! Delighted the speeds worked well for you. We're here whenever you travel again. – Sophie 💜
Mateo F.
Mexico · Sep 2024
First time using an eSIM and it was painless. Customer support answered my question quickly.
Ingrid
eSIM TopUp Support
· 1 year ago Thanks for sharing, Mateo! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! – Ingrid, eSIM TopUp Support
Noah B.
Vietnam · Sep 2024
Great value compared to roaming charges. Coverage was strong even outside the city. Great experience overall.
Sophie
eSIM TopUp Support
· 1 year ago Cheers, Noah! Great to know the setup was quick and easy. Come back anytime! – Sophie 💜
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 3GB 30Days 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 G. · 2 months ago
Is 5G supported or just 4G?
Pablo C. · 2 months ago
How do I check how much data I have left?
Grace G. · 2 months ago
Can I use this for hotspot/tethering?
Marco C. · 3 months ago
Can I use it in nearby countries too?
Lucas D. · 3 months ago
Great guide, the setup steps were really helpful.
Ingrid F. · 5 months ago
Is roaming charged extra or is it all included?
Pablo N. · 6 months ago
Does the validity start on purchase or on first use?
Olivia N. · 6 months ago
Does this work on an iPhone 13?
Linh T. · 8 months ago
Can I top up the same eSIM instead of buying a new one?
Viktor P. · 9 months ago
Thanks, installed with no problems on my Samsung.
Carlos L. · 9 months ago
Will this keep my WhatsApp active with my home number?
Sri N. · 1 year ago
Which networks does this connect to?