Japan eSIM — reviews & details
Japan 2GB/Day (IIJ) · 2 GB/day · 1 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Lucia B.
Indonesia · Feb 2026
Exactly what I needed for travelling in Japan. Speeds were solid for maps, messaging and browsing. Made staying connected effortless.
Sophie
eSIM TopUp Support
· 5 months ago Thank you for the kind words, Lucia! So happy the Japan eSIM kept you connected. – Sophie 💜
Ananya D.
India · Feb 2026
Honestly better than buying a local SIM at the airport. Customer support answered my question quickly. Exactly as described — no surprises.
Laura
eSIM TopUp Support
· 5 months ago So glad to hear this, Ananya! Wonderful to hear it worked smoothly in Japan. – Laura, eSIM TopUp Support
Hugo N.
Italy · Feb 2026
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering. Zero regrets.
Omar
eSIM TopUp Support
· 5 months ago Thanks for sharing, Hugo! Delighted the speeds worked well for you. Wishing you many more connected adventures! – Omar, eSIM TopUp Support
Zoe V.
Germany · Feb 2026
Great value compared to roaming charges in Japan. Ran hotspot to my laptop with no issues. Will use eSIM TopUp for my next trip for sure.
David
eSIM TopUp Support
· 5 months ago Thank you for the kind words, Zoe! Love that you were online the moment you landed in Japan. Enjoy your journeys! – David, eSIM TopUp Support
Mohammed C.
Poland · Feb 2026
First time using an eSIM and it was painless. Activation was automatic when I arrived. Five stars from me.
Diego
eSIM TopUp Support
· 5 months ago Thank you so much, Mohammed! Delighted the speeds worked well for you. — Diego, eSIM TopUp Support
Anna M.
Ireland · Feb 2026
Saved me a fortune on my holiday. I kept my normal number for calls while using this for data. A must-have for international travel.
Anna
eSIM TopUp Support
· 5 months ago Thank you for the kind words, Anna! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — Anna
Sven P.
Indonesia · Feb 2026
Great value compared to roaming charges. Streaming and video calls worked without buffering. Exactly as described — no surprises.
Grace
eSIM TopUp Support
· 5 months ago So glad to hear this, Sven! Great to know the setup was quick and easy. – Grace 💜
Olivia N.
Netherlands · Feb 2026
Super easy to set up before I flew out. Topping up was straightforward when I needed more. Highly recommend for any traveller.
David
eSIM TopUp Support
· 5 months ago Thank you for the kind words, Olivia! Wonderful to hear it worked smoothly in Japan. — David
Min-jun R.
South Korea · Feb 2026
Installed in minutes by scanning the QR code. Speeds were solid for maps, messaging and browsing.
Priya
eSIM TopUp Support
· 5 months ago Thank you for the kind words, Min-jun! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! — Priya
Elena B.
Japan · Feb 2026
Exactly what I needed for travelling. Topping up was straightforward when I needed more. Made staying connected effortless.
Emma
eSIM TopUp Support
· 5 months ago Thank you so much, Elena! So happy the Japan eSIM kept you connected. Come back anytime! – Emma, eSIM TopUp Support
Arjun R.
Egypt · Feb 2026
Exactly what I needed for travelling. Activation was automatic when I arrived.
Ken
eSIM TopUp Support
· 5 months ago Thanks a lot, Arjun! Love that you were online the moment you landed in Japan. Enjoy your journeys! — Ken, eSIM TopUp Support
Lucia D.
Sweden · Feb 2026
First time using an eSIM and it was painless. Speeds were solid for maps, messaging and browsing. A must-have for international travel.
James
eSIM TopUp Support
· 5 months ago So glad to hear this, Lucia! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – James, eSIM TopUp Support
Mohammed P.
Egypt · Feb 2026
Great value compared to roaming charges. Ran hotspot to my laptop with no issues. Will use eSIM TopUp for my next trip for sure.
Mark
eSIM TopUp Support
· 5 months ago Thank you so much, Mohammed! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Mark 💜
Haruto K.
Germany · Feb 2026
Saved me a fortune on my holiday. Activation was automatic when I arrived. Would definitely buy again.
Diego
eSIM TopUp Support
· 5 months ago Thank you so much, Haruto! Wonderful to hear it worked smoothly in Japan. Come back anytime! – Diego 💜
Ji-woo F.
Portugal · Feb 2026
Did the job without any drama. Coverage was strong even outside the city. Made staying connected effortless.
Mark
eSIM TopUp Support
· 6 months ago Really appreciate this, Ji-woo! Great to know the setup was quick and easy. Enjoy your journeys! — Mark, eSIM TopUp Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 2GB/Day (IIJ) plan costs $3.00 for 2 GB/day over 1 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
Wei H. · 6 days ago
How do I check how much data I have left?
Ananya B. · 2 weeks ago
Do I need to install it before I travel or after I arrive?
Pablo L. · 1 month ago
Thanks, installed with no problems on my Samsung.
Min-jun P. · 1 month ago
How long does the QR code take to arrive after payment?
Camila K. · 5 months ago
Which networks does this connect to?
Arjun P. · 7 months ago
Does this work on an iPhone 13?
Arjun D. · 7 months ago
Can I use it in nearby countries too?
Priya N. · 8 months ago
Can I top up the same eSIM instead of buying a new one?
Marco V. · 9 months ago
Does the validity start on purchase or on first use?
Ingrid V. · 9 months ago
Great guide, the setup steps were really helpful.
Diego L. · 10 months ago
Can I use this for hotspot/tethering?
Andre M. · 10 months ago
Will this keep my WhatsApp active with my home number?