Japan eSIM — reviews & details
Japan 3GB 15Days (IIJ) · 3 GB · 15 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Louis P.
Thailand · Jan 2026
Connected the moment I landed. Setup instructions in the app were clear and simple. Highly recommend for any traveller.
Mark
GotoeSIM Support
· 7 months ago Thanks for sharing, Louis! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – Mark, eSIM TopUp Support
Priya L.
Netherlands · Jan 2026
Saved me a fortune on my holiday. The QR code arrived instantly by email.
Anna
GotoeSIM Support
· 7 months ago Thanks for sharing, Priya! So pleased it saved you from roaming bills. Come back anytime! – Anna 💜
Mei R.
Italy · Jan 2026
Installed in minutes by scanning the QR code. Customer support answered my question quickly. Telling my friends about this.
Ken
GotoeSIM Support
· 7 months ago Thank you so much, Mei! So happy the Japan eSIM kept you connected. We're here whenever you travel again. — Ken
Mohammed F.
Netherlands · Jan 2026
No more hunting for a SIM card kiosk on arrival. Customer support answered my question quickly. Exactly as described — no surprises.
Grace
GotoeSIM Support
· 7 months ago So glad to hear this, Mohammed! Thrilled it made staying connected effortless. Come back anytime! – Grace 💜
Nadia R.
Singapore · Jan 2026
Installed in minutes by scanning the QR code in Japan. I kept my normal number for calls while using this for data.
Sophie
GotoeSIM Support
· 7 months ago So glad to hear this, Nadia! So happy the Japan eSIM kept you connected. Come back anytime! – Sophie 💜
Ravi N.
Portugal · Jan 2026
No more hunting for a SIM card kiosk on arrival. Data lasted the whole trip with room to spare.
Tom
GotoeSIM Support
· 7 months ago So glad to hear this, Ravi! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! – Tom 💜
Sophia N.
Philippines · Jan 2026
Did the job without any drama. Activation was automatic when I arrived. Great experience overall.
Emma
GotoeSIM Support
· 7 months ago Really appreciate this, Sophia! Great to know the setup was quick and easy. – Emma 💜
Anna C.
Sweden · Dec 2025
Great value compared to roaming charges in Japan. Streaming and video calls worked without buffering. Will use eSIM TopUp for my next trip for sure.
Ingrid
GotoeSIM Support
· 7 months ago So glad to hear this, Anna! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Ingrid, eSIM TopUp Support
Fatima R.
Portugal · Dec 2025
Bought it the night before my flight — smooth process. Customer support answered my question quickly. Zero regrets.
Mark
GotoeSIM Support
· 7 months ago Cheers, Fatima! Thrilled it made staying connected effortless. — Mark
Kenji W.
Vietnam · Dec 2025
Exactly what I needed for travelling. The QR code arrived instantly by email. A must-have for international travel.
Anna
GotoeSIM Support
· 7 months ago So glad to hear this, Kenji! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Anna, eSIM TopUp Support
Ethan H.
UAE · Dec 2025
Great value compared to roaming charges. Streaming and video calls worked without buffering.
Ken
GotoeSIM Support
· 7 months ago Cheers, Ethan! Delighted the speeds worked well for you. Enjoy your journeys! – Ken 💜
Louis P.
Canada · Dec 2025
Installed in minutes by scanning the QR code. Activation was automatic when I arrived. Made staying connected effortless.
Ingrid
GotoeSIM Support
· 7 months ago So glad to hear this, Louis! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — Ingrid, eSIM TopUp Support
Ji-woo V.
Vietnam · Dec 2025
Great value compared to roaming charges. Coverage was strong even outside the city. Five stars from me.
Sara
GotoeSIM Support
· 7 months ago Thank you for the kind words, Ji-woo! So happy the Japan eSIM kept you connected. – Sara, eSIM TopUp Support
Ethan B.
Thailand · Dec 2025
Used this on my trip and it worked perfectly. Coverage was strong even outside the city.
Grace
GotoeSIM Support
· 7 months ago Thank you for the kind words, Ethan! Great to know the setup was quick and easy. — Grace
Thomas F.
Brazil · Dec 2025
Great value compared to roaming charges. The QR code arrived instantly by email.
Sophie
GotoeSIM Support
· 7 months ago Thanks for sharing, Thomas! Love that you were online the moment you landed in Japan. Enjoy your journeys! — Sophie
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 3GB 15Days (IIJ) plan costs $2.55 for 3 GB over 15 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
Budi L. · 1 week ago
Does this work on an iPhone 13?
Sri M. · 3 weeks ago
Will this keep my WhatsApp active with my home number?
Andre D. · 3 months ago
Can I use it in nearby countries too?
Min-jun G. · 4 months ago
Can I top up the same eSIM instead of buying a new one?
Ava S. · 4 months ago
Is roaming charged extra or is it all included?
Emma T. · 4 months ago
Does the validity start on purchase or on first use?
Ravi W. · 5 months ago
Can I use this for hotspot/tethering?
Sofia H. · 6 months ago
Great guide, the setup steps were really helpful.
Lucas G. · 9 months ago
Is 5G supported or just 4G?
Mei N. · 9 months ago
Which networks does this connect to?
Omar P. · 9 months ago
Do I need to install it before I travel or after I arrive?
Olivia D. · 1 year ago
How long does the QR code take to arrive after payment?