Japan eSIM — reviews & details
Japan 100MB 7Days · 100 MB · 7 days
620 reviews
Coverage & networks
- Japan NTT docomo 5G Rakuten Mobile 5G KDDI/au 5G SoftBank 5G
Traveller reviews
Carlos R.
United Kingdom · Apr 2026
Saved me a fortune on my holiday. Customer support answered my question quickly. A must-have for international travel.
Emma
eSIM TopUp Support
· 3 months ago Thank you so much, Carlos! Love that you were online the moment you landed in Japan. – Emma, eSIM TopUp Support
Haruto T.
Japan · Apr 2026
Decent speeds, though slower than I expected in a few spots.
Diego
eSIM TopUp Support
· 3 months ago Appreciate you sharing this, Haruto. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. – Diego 💜
Mohammed R.
Sweden · Apr 2026
Great value compared to roaming charges in Japan. Streaming and video calls worked without buffering. A must-have for international travel.
Anna
eSIM TopUp Support
· 3 months ago Thanks a lot, Mohammed! Thrilled it made staying connected effortless. — Anna
Sophia N.
France · Apr 2026
Exactly what I needed for travelling. The QR code arrived instantly by email.
Diego
eSIM TopUp Support
· 3 months ago Thanks for sharing, Sophia! So pleased it saved you from roaming bills. We're here whenever you travel again. – Diego, eSIM TopUp Support
Ryan K.
Poland · Apr 2026
No more hunting for a SIM card kiosk on arrival. Streaming and video calls worked without buffering. Telling my friends about this.
Omar
eSIM TopUp Support
· 3 months ago Thanks for sharing, Ryan! So happy the Japan eSIM kept you connected. Enjoy your journeys! — Omar
Lucas B.
Italy · Apr 2026
Great value compared to roaming charges. Customer support answered my question quickly.
Omar
eSIM TopUp Support
· 3 months ago Thank you so much, Lucas! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. — Omar, eSIM TopUp Support
Thomas R.
Sweden · Apr 2026
No more hunting for a SIM card kiosk on arrival in Japan. Signal held up well on trains and in rural areas. A must-have for international travel.
Omar
eSIM TopUp Support
· 3 months ago So glad to hear this, Thomas! So pleased it saved you from roaming bills. Come back anytime! — Omar, eSIM TopUp Support
Ryan T.
Egypt · Apr 2026
Installed in minutes by scanning the QR code. Speeds were solid for maps, messaging and browsing. Made staying connected effortless.
Ingrid
eSIM TopUp Support
· 3 months ago Thanks for sharing, Ryan! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Ingrid 💜
Elena N.
Philippines · Apr 2026
Honestly better than buying a local SIM at the airport in Japan. I kept my normal number for calls while using this for data.
Sophie
eSIM TopUp Support
· 3 months ago Thank you for the kind words, Elena! Wonderful to hear it worked smoothly in Japan. — Sophie, eSIM TopUp Support
Ji-woo R.
France · Apr 2026
Used this on my trip and it worked perfectly. The QR code arrived instantly by email.
Mark
eSIM TopUp Support
· 3 months ago Thanks a lot, Ji-woo! Wonderful to hear it worked smoothly in Japan. – Mark, eSIM TopUp Support
Grace M.
India · Apr 2026
Connected the moment I landed. I kept my normal number for calls while using this for data. Would definitely buy again.
Laura
eSIM TopUp Support
· 3 months ago Thanks a lot, Grace! Wonderful to hear it worked smoothly in Japan. Come back anytime! – Laura, eSIM TopUp Support
Carlos G.
Malaysia · Apr 2026
Bought it the night before my flight — smooth process. Activation was automatic when I arrived. Exactly as described — no surprises.
Anna
eSIM TopUp Support
· 3 months ago Thank you for the kind words, Carlos! Great to know the setup was quick and easy. Enjoy your journeys! — Anna, eSIM TopUp Support
Pablo C.
India · Apr 2026
Honestly better than buying a local SIM at the airport. Streaming and video calls worked without buffering. Zero regrets.
James
eSIM TopUp Support
· 3 months ago Thank you so much, Pablo! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! — James
Marco G.
South Korea · Apr 2026
Honestly better than buying a local SIM at the airport in Japan. The QR code arrived instantly by email. Great experience overall.
Sara
eSIM TopUp Support
· 4 months ago Thanks for sharing, Marco! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Sara, eSIM TopUp Support
Ji-woo M.
Ireland · Apr 2026
Super easy to set up before I flew out. Speeds were solid for maps, messaging and browsing. Highly recommend for any traveller.
Laura
eSIM TopUp Support
· 4 months ago So glad to hear this, Ji-woo! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Laura, eSIM TopUp Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 100MB 7Days plan costs $0.45 for 100 MB over 7 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
Beatriz G. · 4 weeks ago
Which networks does this connect to?
Daniel S. · 1 month ago
Does this work on an iPhone 13?
Isabella D. · 3 months ago
How long does the QR code take to arrive after payment?
Ravi V. · 4 months ago
Is 5G supported or just 4G?
Thomas D. · 5 months ago
Can I top up the same eSIM instead of buying a new one?
Katya S. · 6 months ago
Thanks, installed with no problems on my Samsung.
Zoe D. · 7 months ago
Does the validity start on purchase or on first use?
Thomas B. · 8 months ago
Will this keep my WhatsApp active with my home number?
Ingrid M. · 8 months ago
Can I use it in nearby countries too?
Chloe K. · 9 months ago
Can I use this for hotspot/tethering?
Fatima P. · 9 months ago
Do I need to install it before I travel or after I arrive?
Ravi N. · 1 year ago
Is roaming charged extra or is it all included?