Japan eSIM — reviews & details
Japan 3GB 15Days (IIJ) · 3 GB · 15 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Ryan H.
Canada · Nov 2025
Super easy to set up before I flew out. Setup instructions in the app were clear and simple. Will use eSIM TopUp for my next trip for sure.
Laura
GotoeSIM Support
· 9 months ago Really appreciate this, Ryan! So happy the Japan eSIM kept you connected. Enjoy your journeys! — Laura, eSIM TopUp Support
Elena K.
Germany · Oct 2025
Saved me a fortune on my holiday in Japan. Setup instructions in the app were clear and simple. Great experience overall.
Priya
GotoeSIM Support
· 9 months ago Thank you so much, Elena! Delighted the speeds worked well for you. — Priya, eSIM TopUp Support
Marco K.
Brazil · Oct 2025
Bought it the night before my flight — smooth process. Topping up was straightforward when I needed more.
Mark
GotoeSIM Support
· 9 months ago Cheers, Marco! Great to know the setup was quick and easy. We're here whenever you travel again. – Mark 💜
Liam C.
Netherlands · Oct 2025
Did the job without any drama. Speeds were solid for maps, messaging and browsing. Zero regrets.
James
GotoeSIM Support
· 9 months ago Cheers, Liam! Great to know the setup was quick and easy. — James, eSIM TopUp Support
Emma K.
Spain · Oct 2025
Did the job without any drama. Customer support answered my question quickly. Five stars from me.
Yuki
GotoeSIM Support
· 9 months ago Thank you so much, Emma! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – Yuki 💜
Min-jun K.
United States · Oct 2025
Saved me a fortune on my holiday in Japan. Signal held up well on trains and in rural areas.
Mark
GotoeSIM Support
· 9 months ago So glad to hear this, Min-jun! So pleased it saved you from roaming bills. Come back anytime! — Mark, eSIM TopUp Support
Mohammed S.
Japan · Oct 2025
Super easy to set up before I flew out. Data lasted the whole trip with room to spare.
Grace
GotoeSIM Support
· 9 months ago Thank you for the kind words, Mohammed! Love that you were online the moment you landed in Japan. Come back anytime! — Grace
Viktor P.
United States · Oct 2025
Did the job without any drama. Setup instructions in the app were clear and simple.
Grace
GotoeSIM Support
· 9 months ago Thank you so much, Viktor! So pleased it saved you from roaming bills. — Grace, eSIM TopUp Support
Isabella V.
Sweden · Oct 2025
Super easy to set up before I flew out in Japan. Streaming and video calls worked without buffering. Will use eSIM TopUp for my next trip for sure.
Diego
GotoeSIM Support
· 9 months ago Thank you for the kind words, Isabella! Delighted the speeds worked well for you. — Diego, eSIM TopUp Support
Carlos B.
Vietnam · Oct 2025
Installed in minutes by scanning the QR code. Activation was automatic when I arrived.
Ingrid
GotoeSIM Support
· 9 months ago Really appreciate this, Carlos! Great to know the setup was quick and easy. – Ingrid 💜
Mei C.
Australia · Oct 2025
Great value compared to roaming charges. Coverage was strong even outside the city. Great experience overall.
Omar
GotoeSIM Support
· 9 months ago Thank you for the kind words, Mei! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – Omar, eSIM TopUp Support
Andre K.
Saudi Arabia · Oct 2025
Great value compared to roaming charges. Customer support answered my question quickly.
Sophie
GotoeSIM Support
· 10 months ago Thanks for sharing, Andre! Wonderful to hear it worked smoothly in Japan. – Sophie, eSIM TopUp Support
Liam P.
Italy · Oct 2025
Installed in minutes by scanning the QR code. Speeds were solid for maps, messaging and browsing. Would definitely buy again.
Mark
GotoeSIM Support
· 10 months ago Thanks a lot, Liam! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Mark, eSIM TopUp Support
Giulia W.
South Korea · Oct 2025
Exactly what I needed for travelling. Data lasted the whole trip with room to spare. A must-have for international travel.
Sara
GotoeSIM Support
· 10 months ago Really appreciate this, Giulia! Thrilled it made staying connected effortless. – Sara, eSIM TopUp Support
Sven L.
Philippines · Oct 2025
Honestly better than buying a local SIM at the airport. I kept my normal number for calls while using this for data. Highly recommend for any traveller.
Laura
GotoeSIM Support
· 10 months ago Thanks a lot, Sven! Great to know the setup was quick and easy. — Laura
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?