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
Priya T.
Japan · Jan 2026
Bought it the night before my flight — smooth process. Activation was automatic when I arrived. Made staying connected effortless.
David
eSIM TopUp Support
· 7 months ago Thanks a lot, Priya! So pleased it saved you from roaming bills. Come back anytime! – David 💜
Haruto D.
Australia · Jan 2026
Bought it the night before my flight — smooth process. Ran hotspot to my laptop with no issues. Zero regrets.
Omar
eSIM TopUp Support
· 7 months ago Cheers, Haruto! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! — Omar
Nadia P.
Mexico · Jan 2026
Installed in minutes by scanning the QR code. Coverage was strong even outside the city. Telling my friends about this.
Tom
eSIM TopUp Support
· 7 months ago Thanks for sharing, Nadia! Thrilled it made staying connected effortless. We're here whenever you travel again. — Tom
Nadia L.
United Kingdom · Jan 2026
Honestly better than buying a local SIM at the airport. Streaming and video calls worked without buffering. Great experience overall.
Ken
eSIM TopUp Support
· 7 months ago So glad to hear this, Nadia! Delighted the speeds worked well for you. – Ken 💜
Noah V.
Philippines · Dec 2025
Installed in minutes by scanning the QR code. Coverage was strong even outside the city. Will use eSIM TopUp for my next trip for sure.
Yuki
eSIM TopUp Support
· 7 months ago Thank you so much, Noah! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! – Yuki, eSIM TopUp Support
Katya R.
United Kingdom · Dec 2025
Used this on my trip and it worked perfectly. The QR code arrived instantly by email. Made staying connected effortless.
Omar
eSIM TopUp Support
· 7 months ago So glad to hear this, Katya! Great to know the setup was quick and easy. We're here whenever you travel again. – Omar 💜
Nadia H.
Indonesia · Dec 2025
No more hunting for a SIM card kiosk on arrival. I kept my normal number for calls while using this for data.
Emma
eSIM TopUp Support
· 7 months ago Thanks a lot, Nadia! Delighted the speeds worked well for you. — Emma
Sarah V.
Vietnam · Dec 2025
Did the job without any drama. The QR code arrived instantly by email. Would definitely buy again.
Sara
eSIM TopUp Support
· 7 months ago Really appreciate this, Sarah! Delighted the speeds worked well for you. Enjoy your journeys! – Sara 💜
Ingrid V.
South Korea · Dec 2025
Decent speeds, though slower than I expected in a few spots. Speeds were solid for maps, messaging and browsing.
Omar
eSIM TopUp Support
· 7 months ago Thanks for the honest feedback, Ingrid. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. — Omar, eSIM TopUp Support
Priya B.
UAE · Dec 2025
Installed in minutes by scanning the QR code. Coverage was strong even outside the city. Telling my friends about this.
Yuki
eSIM TopUp Support
· 7 months ago Cheers, Priya! So pleased it saved you from roaming bills. We're here whenever you travel again. — Yuki, eSIM TopUp Support
Yuki K.
Germany · Dec 2025
Super easy to set up before I flew out. I kept my normal number for calls while using this for data.
Sara
eSIM TopUp Support
· 7 months ago Thank you so much, Yuki! So happy the Japan eSIM kept you connected. – Sara 💜
Beatriz N.
France · Dec 2025
Bought it the night before my flight — smooth process. Ran hotspot to my laptop with no issues. A must-have for international travel.
Priya
eSIM TopUp Support
· 7 months ago Really appreciate this, Beatriz! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — Priya, eSIM TopUp Support
Sofia D.
Spain · Dec 2025
Honestly better than buying a local SIM at the airport. The QR code arrived instantly by email.
Laura
eSIM TopUp Support
· 7 months ago Thanks a lot, Sofia! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Laura, eSIM TopUp Support
Noah L.
Turkey · Dec 2025
Worked fine but took a little while to connect at first.
Omar
eSIM TopUp Support
· 7 months ago Thanks for the honest feedback, Noah. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. – Omar, eSIM TopUp Support
Priya W.
South Korea · Dec 2025
Did the job without any drama in Japan. Data lasted the whole trip with room to spare. Telling my friends about this.
Ken
eSIM TopUp Support
· 7 months ago Thank you for the kind words, Priya! Great to know the setup was quick and easy. We're here whenever you travel again. — Ken
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?