Japan eSIM — reviews & details
Japan 2GB/Day (IIJ) · 2 GB/day · 1 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Lucas G.
Canada · Jul 2026
First time using an eSIM and it was painless. Speeds were solid for maps, messaging and browsing. Will use eSIM TopUp for my next trip for sure.
Priya
eSIM TopUp Support
· 1 month ago Thanks a lot, Lucas! Love that you were online the moment you landed in Japan. – Priya, eSIM TopUp Support
Diego V.
Philippines · Jul 2026
No more hunting for a SIM card kiosk on arrival in Japan. 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
· 1 month ago Really appreciate this, Diego! Thrilled it made staying connected effortless. Enjoy your journeys! – Laura 💜
Budi F.
France · Jul 2026
Saved me a fortune on my holiday. Customer support answered my question quickly. Made staying connected effortless.
David
eSIM TopUp Support
· 1 month ago Thank you for the kind words, Budi! Great to know the setup was quick and easy. Come back anytime! — David, eSIM TopUp Support
Ryan H.
Netherlands · Jul 2026
Bought it the night before my flight — smooth process. The QR code arrived instantly by email. Made staying connected effortless.
Priya
eSIM TopUp Support
· 1 month ago Thank you for the kind words, Ryan! So happy the Japan eSIM kept you connected. We're here whenever you travel again. — Priya, eSIM TopUp Support
Diego N.
South Korea · Jun 2026
Great value compared to roaming charges. Ran hotspot to my laptop with no issues. Would definitely buy again.
Ken
eSIM TopUp Support
· 1 month ago Cheers, Diego! So happy the Japan eSIM kept you connected. Come back anytime! – Ken 💜
Lucia B.
Italy · Jun 2026
No more hunting for a SIM card kiosk on arrival. Customer support answered my question quickly. Five stars from me.
Ken
eSIM TopUp Support
· 1 month ago Cheers, Lucia! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – Ken 💜
James M.
New Zealand · Jun 2026
Bought it the night before my flight — smooth process. Coverage was strong even outside the city. Five stars from me.
Yuki
eSIM TopUp Support
· 1 month ago Thank you so much, James! Great to know the setup was quick and easy. — Yuki
Ava H.
Ireland · Jun 2026
Installed in minutes by scanning the QR code. Coverage was strong even outside the city. A must-have for international travel.
Ingrid
eSIM TopUp Support
· 1 month ago Cheers, Ava! Thrilled it made staying connected effortless. Come back anytime! – Ingrid 💜
Beatriz V.
South Korea · Jun 2026
Exactly what I needed for travelling. Ran hotspot to my laptop with no issues. Exactly as described — no surprises.
Grace
eSIM TopUp Support
· 1 month ago Thank you so much, Beatriz! So happy the Japan eSIM kept you connected. Come back anytime! — Grace, eSIM TopUp Support
Anna S.
UAE · Jun 2026
Exactly what I needed for travelling in Japan. Streaming and video calls worked without buffering.
Laura
eSIM TopUp Support
· 1 month ago So glad to hear this, Anna! Love that you were online the moment you landed in Japan. – Laura 💜
Ravi V.
Japan · Jun 2026
Bought it the night before my flight — smooth process. The QR code arrived instantly by email.
Grace
eSIM TopUp Support
· 1 month ago Cheers, Ravi! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Grace, eSIM TopUp Support
Mohammed R.
Australia · Jun 2026
Saved me a fortune on my holiday. The QR code arrived instantly by email.
Anna
eSIM TopUp Support
· 1 month ago Thank you so much, Mohammed! Love that you were online the moment you landed in Japan. – Anna 💜
Sophia N.
Canada · Jun 2026
Exactly what I needed for travelling. Signal held up well on trains and in rural areas. A must-have for international travel.
James
eSIM TopUp Support
· 1 month ago Cheers, Sophia! Thrilled it made staying connected effortless. We're here whenever you travel again. — James, eSIM TopUp Support
Andre G.
Spain · Jun 2026
Installed in minutes by scanning the QR code. Topping up was straightforward when I needed more. Telling my friends about this.
Sara
eSIM TopUp Support
· 1 month ago Thank you for the kind words, Andre! So happy the Japan eSIM kept you connected. – Sara 💜
Giulia W.
Saudi Arabia · Jun 2026
Super easy to set up before I flew out. The QR code arrived instantly by email. Great experience overall.
Anna
eSIM TopUp Support
· 1 month ago Cheers, Giulia! Delighted the speeds worked well for you. We're here whenever you travel again. — Anna, 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?