Japan eSIM — reviews & details
Japan 20GB 30Days (IIJ) · 20 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Noah F.
Portugal · Nov 2025
No more hunting for a SIM card kiosk on arrival. Ran hotspot to my laptop with no issues. Will use eSIM TopUp for my next trip for sure.
Laura
GotoeSIM Support
· 9 months ago Cheers, Noah! Thrilled it made staying connected effortless. – Laura 💜
Sofia R.
UAE · Oct 2025
No more hunting for a SIM card kiosk on arrival. Signal held up well on trains and in rural areas. Five stars from me.
Anna
GotoeSIM Support
· 9 months ago Thank you for the kind words, Sofia! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Anna 💜
Viktor T.
Mexico · Oct 2025
Honestly better than buying a local SIM at the airport. The QR code arrived instantly by email. Exactly as described — no surprises.
Yuki
GotoeSIM Support
· 9 months ago So glad to hear this, Viktor! Great to know the setup was quick and easy. — Yuki
Elena B.
Australia · Oct 2025
No more hunting for a SIM card kiosk on arrival. Activation was automatic when I arrived in Japan. Five stars from me.
Sara
GotoeSIM Support
· 9 months ago Thank you so much, Elena! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! – Sara, eSIM TopUp Support
Emma D.
Philippines · Oct 2025
No more hunting for a SIM card kiosk on arrival. The QR code arrived instantly by email. Will use eSIM TopUp for my next trip for sure.
Diego
GotoeSIM Support
· 9 months ago Thanks for sharing, Emma! Delighted the speeds worked well for you. We're here whenever you travel again. — Diego
Camila L.
France · Oct 2025
Installed in minutes by scanning the QR code. Activation was automatic when I arrived. Exactly as described — no surprises.
Laura
GotoeSIM Support
· 9 months ago Thanks a lot, Camila! Wonderful to hear it worked smoothly in Japan. – Laura, eSIM TopUp Support
Pablo L.
Malaysia · Oct 2025
Saved me a fortune on my holiday in Japan. Customer support answered my question quickly. Five stars from me.
James
GotoeSIM Support
· 9 months ago Really appreciate this, Pablo! Delighted the speeds worked well for you. Enjoy your journeys! — James, eSIM TopUp Support
Somchai N.
Indonesia · Oct 2025
Bought it the night before my flight — smooth process in Japan. I kept my normal number for calls while using this for data.
Diego
GotoeSIM Support
· 9 months ago Really appreciate this, Somchai! So happy the Japan eSIM kept you connected. Come back anytime! — Diego, eSIM TopUp Support
Lucas H.
Spain · Oct 2025
Connected the moment I landed. The QR code arrived instantly by email. A must-have for international travel.
Grace
GotoeSIM Support
· 9 months ago Thanks a lot, Lucas! Great to know the setup was quick and easy. Come back anytime! – Grace 💜
Lucia N.
Egypt · Oct 2025
No more hunting for a SIM card kiosk on arrival. Streaming and video calls worked without buffering. A must-have for international travel.
Mark
GotoeSIM Support
· 9 months ago Thanks a lot, Lucia! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Mark, eSIM TopUp Support
Andre D.
France · Oct 2025
No more hunting for a SIM card kiosk on arrival in Japan. Customer support answered my question quickly. Will use eSIM TopUp for my next trip for sure.
James
GotoeSIM Support
· 9 months ago Thank you for the kind words, Andre! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! – James 💜
Grace B.
Poland · Oct 2025
Honestly better than buying a local SIM at the airport. Ran hotspot to my laptop with no issues. Telling my friends about this.
Sara
GotoeSIM Support
· 9 months ago Thank you so much, Grace! Thrilled it made staying connected effortless. Come back anytime! – Sara, eSIM TopUp Support
Elena F.
Germany · Oct 2025
Did the job without any drama. Speeds were solid for maps, messaging and browsing. Highly recommend for any traveller.
Laura
GotoeSIM Support
· 10 months ago So glad to hear this, Elena! Wonderful to hear it worked smoothly in Japan. – Laura, eSIM TopUp Support
Zoe L.
Italy · Oct 2025
Great value compared to roaming charges. The QR code arrived instantly by email. Five stars from me.
Emma
GotoeSIM Support
· 10 months ago Really appreciate this, Zoe! So pleased it saved you from roaming bills. – Emma 💜
Beatriz R.
Brazil · Sep 2025
Honestly better than buying a local SIM at the airport. Activation was automatic when I arrived in Japan.
Diego
GotoeSIM Support
· 10 months ago Thanks a lot, Beatriz! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Diego, eSIM TopUp Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 20GB 30Days (IIJ) plan costs $12.30 for 20 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
Katya K. · 2 months ago
Is 5G supported or just 4G?
Katya V. · 7 months ago
Thanks, installed with no problems on my Samsung.
Beatriz C. · 8 months ago
Is roaming charged extra or is it all included?
Lea B. · 8 months ago
Will this keep my WhatsApp active with my home number?
Kenji R. · 9 months ago
Do I need to install it before I travel or after I arrive?
Zoe V. · 9 months ago
How do I check how much data I have left?
Grace C. · 10 months ago
Great guide, the setup steps were really helpful.
Camila M. · 11 months ago
Can I use it in nearby countries too?
Mateo B. · 11 months ago
Which networks does this connect to?
Beatriz R. · 11 months ago
Does the validity start on purchase or on first use?
Sarah V. · 11 months ago
How long does the QR code take to arrive after payment?
Thomas N. · 1 year ago
Can I top up the same eSIM instead of buying a new one?