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
Ava W.
Philippines · Oct 2025
Honestly better than buying a local SIM at the airport. Streaming and video calls worked without buffering. A must-have for international travel.
Mark
eSIM TopUp Support
· 10 months ago Really appreciate this, Ava! So pleased it saved you from roaming bills. We're here whenever you travel again. – Mark, eSIM TopUp Support
Noah V.
Turkey · Oct 2025
Great value compared to roaming charges. Data lasted the whole trip with room to spare. Zero regrets.
Mark
eSIM TopUp Support
· 10 months ago Thank you so much, Noah! So happy the Japan eSIM kept you connected. We're here whenever you travel again. — Mark, eSIM TopUp Support
Zoe C.
Poland · Oct 2025
First time using an eSIM and it was painless. Activation was automatic when I arrived. A must-have for international travel.
Emma
eSIM TopUp Support
· 10 months ago Thanks for sharing, Zoe! Wonderful to hear it worked smoothly in Japan. — Emma
Lucia W.
United Kingdom · Oct 2025
Did the job without any drama. I kept my normal number for calls while using this for data. Will use eSIM TopUp for my next trip for sure.
Laura
eSIM TopUp Support
· 10 months ago Thank you so much, Lucia! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Laura
Andre L.
Netherlands · Oct 2025
No more hunting for a SIM card kiosk on arrival. I kept my normal number for calls while using this for data.
Diego
eSIM TopUp Support
· 10 months ago Thank you for the kind words, Andre! So happy the Japan eSIM kept you connected. Come back anytime! — Diego, eSIM TopUp Support
Kenji G.
Netherlands · Oct 2025
Honestly better than buying a local SIM at the airport. Customer support answered my question quickly. Five stars from me.
Sophie
eSIM TopUp Support
· 10 months ago Thanks for sharing, Kenji! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! — Sophie, eSIM TopUp Support
Sven P.
Turkey · Sep 2025
Honestly better than buying a local SIM at the airport. Data lasted the whole trip with room to spare. Highly recommend for any traveller.
Sara
eSIM TopUp Support
· 10 months ago Cheers, Sven! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – Sara, eSIM TopUp Support
Hugo M.
Canada · Sep 2025
Super easy to set up before I flew out in Japan. Customer support answered my question quickly. Would definitely buy again.
James
eSIM TopUp Support
· 10 months ago Thank you for the kind words, Hugo! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! — James
Hana G.
Sweden · Sep 2025
Great value compared to roaming charges. The QR code arrived instantly by email.
Ingrid
eSIM TopUp Support
· 10 months ago Cheers, Hana! Thrilled it made staying connected effortless. Wishing you many more connected adventures! — Ingrid
Sarah R.
Egypt · Sep 2025
Bought it the night before my flight — smooth process. Signal held up well on trains and in rural areas. Zero regrets.
Emma
eSIM TopUp Support
· 10 months ago Thanks a lot, Sarah! So pleased it saved you from roaming bills. — Emma
Arjun H.
Egypt · Sep 2025
Good coverage in the city, a bit patchy in remote areas. Coverage was strong even outside the city.
Ken
eSIM TopUp Support
· 10 months ago Thanks for the honest feedback, Arjun. We're constantly optimising speeds and coverage across Japan. Reach us anytime at esimtopup.io/support if we can help. – Ken 💜
Mei B.
Canada · Sep 2025
Connected the moment I landed in Japan. Data lasted the whole trip with room to spare. A must-have for international travel.
Ken
eSIM TopUp Support
· 10 months ago Cheers, Mei! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Ken, eSIM TopUp Support
Anna B.
Singapore · Sep 2025
Bought it the night before my flight — smooth process. Setup instructions in the app were clear and simple. Exactly as described — no surprises.
Tom
eSIM TopUp Support
· 10 months ago Thank you so much, Anna! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! — Tom
Lea L.
New Zealand · Sep 2025
Decent speeds, though slower than I expected in a few spots. Topping up was straightforward when I needed more.
Tom
eSIM TopUp Support
· 10 months ago Appreciate you sharing this, Lea. 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. – Tom, eSIM TopUp Support
Lucia M.
Netherlands · Sep 2025
Connected the moment I landed. I kept my normal number for calls while using this for data. Telling my friends about this.
Priya
eSIM TopUp Support
· 10 months ago Really appreciate this, Lucia! Delighted the speeds worked well for you. We're here whenever you travel again. — Priya, eSIM TopUp Support
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?