Japan eSIM — reviews & details
Japan 3GB 15Days (IIJ) · 3 GB · 15 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Yuki N.
Indonesia · Apr 2026
Bought it the night before my flight — smooth process in Japan. Customer support answered my question quickly. Would definitely buy again.
Anna
GotoeSIM Support
· 3 months ago Thank you for the kind words, Yuki! Delighted the speeds worked well for you. – Anna 💜
Andre P.
Switzerland · Apr 2026
Great value compared to roaming charges in Japan. The QR code arrived instantly by email.
Emma
GotoeSIM Support
· 3 months ago Really appreciate this, Andre! Love that you were online the moment you landed in Japan. Enjoy your journeys! — Emma, eSIM TopUp Support
Camila H.
Saudi Arabia · Apr 2026
Did the job without any drama. Setup instructions in the app were clear and simple. A must-have for international travel.
Emma
GotoeSIM Support
· 3 months ago Thanks for sharing, Camila! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! – Emma, eSIM TopUp Support
Thomas F.
South Korea · Apr 2026
Bought it the night before my flight — smooth process. Activation was automatic when I arrived. Exactly as described — no surprises.
Tom
GotoeSIM Support
· 3 months ago Thanks for sharing, Thomas! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – Tom 💜
Giulia D.
Egypt · Apr 2026
Connected the moment I landed. Topping up was straightforward when I needed more. Exactly as described — no surprises.
Ken
GotoeSIM Support
· 3 months ago Cheers, Giulia! So pleased it saved you from roaming bills. — Ken, eSIM TopUp Support
Emma T.
Australia · Apr 2026
Did the job without any drama. Signal held up well on trains and in rural areas. Exactly as described — no surprises.
Priya
GotoeSIM Support
· 3 months ago Thanks for sharing, Emma! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — Priya
Ravi B.
Australia · Apr 2026
Did the job without any drama. Streaming and video calls worked without buffering. A must-have for international travel.
Tom
GotoeSIM Support
· 4 months ago Cheers, Ravi! Wonderful to hear it worked smoothly in Japan. Come back anytime! – Tom 💜
Budi T.
Philippines · Apr 2026
No more hunting for a SIM card kiosk on arrival. I kept my normal number for calls while using this for data.
Omar
GotoeSIM Support
· 4 months ago Thank you for the kind words, Budi! Delighted the speeds worked well for you. Enjoy your journeys! — Omar
Lucas T.
UAE · Apr 2026
Installed in minutes by scanning the QR code. Coverage was strong even outside the city. Telling my friends about this.
Laura
GotoeSIM Support
· 4 months ago Cheers, Lucas! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Laura 💜
Sri F.
Malaysia · Apr 2026
Exactly what I needed for travelling. Setup instructions in the app were clear and simple.
Sophie
GotoeSIM Support
· 4 months ago Cheers, Sri! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Sophie, eSIM TopUp Support
Louis D.
Ireland · Apr 2026
First time using an eSIM and it was painless. Activation was automatic when I arrived. Would definitely buy again.
Ingrid
GotoeSIM Support
· 4 months ago Really appreciate this, Louis! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! – Ingrid, eSIM TopUp Support
Lucia G.
United States · Apr 2026
Did the job without any drama. Activation was automatic when I arrived in Japan.
Laura
GotoeSIM Support
· 4 months ago Thank you for the kind words, Lucia! Thrilled it made staying connected effortless. Enjoy your journeys! – Laura, eSIM TopUp Support
Ava H.
Netherlands · Apr 2026
First time using an eSIM and it was painless. Customer support answered my question quickly. Highly recommend for any traveller.
Diego
GotoeSIM Support
· 4 months ago Cheers, Ava! So happy the Japan eSIM kept you connected. – Diego 💜
Nadia C.
Canada · Apr 2026
No more hunting for a SIM card kiosk on arrival in Japan. Setup instructions in the app were clear and simple. Five stars from me.
Emma
GotoeSIM Support
· 4 months ago Thank you so much, Nadia! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! — Emma
Ingrid D.
Egypt · Apr 2026
First time using an eSIM and it was painless. I kept my normal number for calls while using this for data. Will use eSIM TopUp for my next trip for sure.
Ken
GotoeSIM Support
· 4 months ago Cheers, Ingrid! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – Ken, eSIM TopUp Support
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?