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
Diego C.
New Zealand · Aug 2026
Super easy to set up before I flew out. Data lasted the whole trip with room to spare.
David
eSIM TopUp Support
· 5 days ago So glad to hear this, Diego! Thrilled it made staying connected effortless. Come back anytime! — David
Olivia F.
Ireland · Aug 2026
Worked fine but took a little while to connect at first. Ran hotspot to my laptop with no issues.
Priya
eSIM TopUp Support
· 5 days ago Thanks for the honest feedback, Olivia. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. – Priya 💜
Camila D.
Japan · Aug 2026
Great value compared to roaming charges. Data lasted the whole trip with room to spare. Exactly as described — no surprises.
Omar
eSIM TopUp Support
· 6 days ago Thanks for sharing, Camila! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Omar, eSIM TopUp Support
Daniel P.
South Korea · Aug 2026
Saved me a fortune on my holiday. Speeds were solid for maps, messaging and browsing.
Anna
eSIM TopUp Support
· 1 week ago Thanks a lot, Daniel! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — Anna
Daniel T.
Poland · Aug 2026
Worked fine but took a little while to connect at first.
Tom
eSIM TopUp Support
· 1 week ago Appreciate you sharing this, Daniel. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at esimtopup.io/support. – Tom 💜
Isabella F.
Malaysia · Aug 2026
Installed in minutes by scanning the QR code. Customer support answered my question quickly. Zero regrets.
Grace
eSIM TopUp Support
· 1 week ago Thanks for sharing, Isabella! Delighted the speeds worked well for you. – Grace 💜
Sophia S.
South Korea · Aug 2026
Saved me a fortune on my holiday. Speeds were solid for maps, messaging and browsing.
Omar
eSIM TopUp Support
· 1 week ago Thank you for the kind words, Sophia! Delighted the speeds worked well for you. Come back anytime! – Omar 💜
Somchai N.
Poland · Aug 2026
No more hunting for a SIM card kiosk on arrival. Data lasted the whole trip with room to spare. Telling my friends about this.
Laura
eSIM TopUp Support
· 1 week ago Thanks a lot, Somchai! Love that you were online the moment you landed in Japan. – Laura 💜
Sophia P.
India · Aug 2026
Saved me a fortune on my holiday. Customer support answered my question quickly.
Grace
eSIM TopUp Support
· 1 week ago Really appreciate this, Sophia! Love that you were online the moment you landed in Japan. We're here whenever you travel again. — Grace
Yuki C.
Italy · Jul 2026
Super easy to set up before I flew out. Activation was automatic when I arrived.
Grace
eSIM TopUp Support
· 1 week ago Thank you for the kind words, Yuki! So pleased it saved you from roaming bills. — Grace
Viktor T.
South Korea · Jul 2026
Bought it the night before my flight — smooth process. Customer support answered my question quickly. Great experience overall.
Diego
eSIM TopUp Support
· 1 week ago Thank you for the kind words, Viktor! Delighted the speeds worked well for you. Enjoy your journeys! — Diego
Marco D.
Poland · Jul 2026
Saved me a fortune on my holiday. Signal held up well on trains and in rural areas. Highly recommend for any traveller.
James
eSIM TopUp Support
· 2 weeks ago Thanks for sharing, Marco! Great to know the setup was quick and easy. — James
Katya L.
Turkey · Jul 2026
No more hunting for a SIM card kiosk on arrival. The QR code arrived instantly by email. Zero regrets.
Anna
eSIM TopUp Support
· 2 weeks ago Cheers, Katya! Great to know the setup was quick and easy. Come back anytime! — Anna
Diego L.
Philippines · Jul 2026
Honestly better than buying a local SIM at the airport in Japan. Setup instructions in the app were clear and simple. Telling my friends about this.
Mark
eSIM TopUp Support
· 2 weeks ago So glad to hear this, Diego! So pleased it saved you from roaming bills. Enjoy your journeys! — Mark, eSIM TopUp Support
Mei N.
Indonesia · Jul 2026
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing. Great experience overall.
Yuki
eSIM TopUp Support
· 2 weeks ago Thank you for the kind words, Mei! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Yuki 💜
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?