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
Noah B.
Netherlands · Sep 2025
Great value compared to roaming charges. Topping up was straightforward when I needed more.
Priya
eSIM TopUp Support
· 10 months ago Thank you for the kind words, Noah! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! – Priya, eSIM TopUp Support
Ava W.
Mexico · Sep 2025
Connected the moment I landed. I kept my normal number for calls while using this for data. Great experience overall.
Priya
eSIM TopUp Support
· 10 months ago Thank you so much, Ava! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Priya, eSIM TopUp Support
Lucia G.
Mexico · Sep 2025
Good coverage in the city, a bit patchy in remote areas.
Anna
eSIM TopUp Support
· 10 months ago So sorry to hear this, Lucia. That's not the experience we want for Japan. Please contact us at esimtopup.io/support and we'll sort it out. — Anna
Anna V.
Sweden · Sep 2025
Bought it the night before my flight — smooth process in Japan. Signal held up well on trains and in rural areas.
Ken
eSIM TopUp Support
· 10 months ago Thanks for sharing, Anna! Delighted the speeds worked well for you. – Ken, eSIM TopUp Support
Elena V.
Sweden · Sep 2025
Used this on my trip and it worked perfectly in Japan. Ran hotspot to my laptop with no issues.
Sara
eSIM TopUp Support
· 10 months ago Cheers, Elena! Delighted the speeds worked well for you. We're here whenever you travel again. — Sara
Ethan G.
New Zealand · Sep 2025
Used this on my trip and it worked perfectly. Signal held up well on trains and in rural areas.
Sara
eSIM TopUp Support
· 10 months ago Thanks a lot, Ethan! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — Sara, eSIM TopUp Support
Max G.
France · Sep 2025
Did the job without any drama. Signal held up well on trains and in rural areas. Would definitely buy again.
Grace
eSIM TopUp Support
· 11 months ago So glad to hear this, Max! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. – Grace, eSIM TopUp Support
Nadia T.
Turkey · Sep 2025
Connected the moment I landed. Coverage was strong even outside the city.
James
eSIM TopUp Support
· 11 months ago Cheers, Nadia! Thrilled it made staying connected effortless. Enjoy your journeys! – James 💜
Somchai L.
Singapore · Sep 2025
Bought it the night before my flight — smooth process. Topping up was straightforward when I needed more.
James
eSIM TopUp Support
· 11 months ago Thank you for the kind words, Somchai! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! – James, eSIM TopUp Support
Arjun V.
Spain · Sep 2025
Great value compared to roaming charges. Activation was automatic when I arrived. Telling my friends about this.
Sophie
eSIM TopUp Support
· 11 months ago Thanks for sharing, Arjun! Wonderful to hear it worked smoothly in Japan. — Sophie, eSIM TopUp Support
Carlos F.
Brazil · Sep 2025
Saved me a fortune on my holiday. Signal held up well on trains and in rural areas. Great experience overall.
James
eSIM TopUp Support
· 11 months ago Thank you for the kind words, Carlos! So pleased it saved you from roaming bills. Enjoy your journeys! – James 💜
Mei T.
Malaysia · Sep 2025
Did the job without any drama. I kept my normal number for calls while using this for data.
Yuki
eSIM TopUp Support
· 11 months ago Thanks for sharing, Mei! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Yuki, eSIM TopUp Support
Elena C.
Egypt · Sep 2025
Honestly better than buying a local SIM at the airport in Japan. Speeds were solid for maps, messaging and browsing. Exactly as described — no surprises.
Emma
eSIM TopUp Support
· 11 months ago Thank you so much, Elena! Delighted the speeds worked well for you. Come back anytime! — Emma, eSIM TopUp Support
Ingrid W.
Netherlands · Sep 2025
Worked fine but took a little while to connect at first.
Anna
eSIM TopUp Support
· 11 months ago Appreciate you sharing this, Ingrid. 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. — Anna
Liam P.
Brazil · Sep 2025
First time using an eSIM and it was painless. I kept my normal number for calls while using this for data. Five stars from me.
James
eSIM TopUp Support
· 11 months ago So glad to hear this, Liam! Great to know the setup was quick and easy. Come back anytime! — James
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?