Japan eSIM — reviews & details
Japan 3GB 15Days (IIJ) · 3 GB · 15 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Somchai B.
France · Oct 2025
Honestly better than buying a local SIM at the airport. Data lasted the whole trip with room to spare. Highly recommend for any traveller.
Grace
GotoeSIM Support
· 10 months ago Thanks a lot, Somchai! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Grace
Aisha L.
France · Oct 2025
Great value compared to roaming charges. Coverage was strong even outside the city. Zero regrets.
Sara
GotoeSIM Support
· 10 months ago Thanks a lot, Aisha! Thrilled it made staying connected effortless. Enjoy your journeys! – Sara 💜
Aisha C.
Portugal · Oct 2025
Connected the moment I landed. I kept my normal number for calls while using this for data. Highly recommend for any traveller.
Anna
GotoeSIM Support
· 10 months ago Thanks a lot, Aisha! So pleased it saved you from roaming bills. Enjoy your journeys! – Anna 💜
Diego C.
Australia · Oct 2025
Bought it the night before my flight — smooth process. I kept my normal number for calls while using this for data. Telling my friends about this.
Yuki
GotoeSIM Support
· 10 months ago So glad to hear this, Diego! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Yuki, eSIM TopUp Support
Louis V.
Poland · Sep 2025
No more hunting for a SIM card kiosk on arrival. Setup instructions in the app were clear and simple. Will use eSIM TopUp for my next trip for sure.
Grace
GotoeSIM Support
· 10 months ago Really appreciate this, Louis! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Grace
Arjun H.
Canada · Sep 2025
Great value compared to roaming charges. Topping up was straightforward when I needed more. Great experience overall.
Sophie
GotoeSIM Support
· 10 months ago So glad to hear this, Arjun! So pleased it saved you from roaming bills. Enjoy your journeys! – Sophie 💜
Max R.
Portugal · Sep 2025
Used this on my trip and it worked perfectly. Speeds were solid for maps, messaging and browsing. Would definitely buy again.
Omar
GotoeSIM Support
· 10 months ago Thank you for the kind words, Max! So pleased it saved you from roaming bills. Come back anytime! — Omar
Elena N.
Spain · Sep 2025
Great value compared to roaming charges. Setup instructions in the app were clear and simple. A must-have for international travel.
Sara
GotoeSIM Support
· 10 months ago Thanks a lot, Elena! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Sara
Isabella T.
Canada · Sep 2025
Exactly what I needed for travelling. Streaming and video calls worked without buffering. Zero regrets.
Mark
GotoeSIM Support
· 10 months ago Cheers, Isabella! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Mark, eSIM TopUp Support
Hugo H.
United States · Sep 2025
Used this on my trip and it worked perfectly. Ran hotspot to my laptop with no issues. Made staying connected effortless.
Tom
GotoeSIM Support
· 10 months ago Thank you so much, Hugo! Wonderful to hear it worked smoothly in Japan. — Tom, eSIM TopUp Support
Sophia B.
Brazil · Sep 2025
Exactly what I needed for travelling. Coverage was strong even outside the city. Will use eSIM TopUp for my next trip for sure.
Yuki
GotoeSIM Support
· 10 months ago Really appreciate this, Sophia! Delighted the speeds worked well for you. We're here whenever you travel again. – Yuki, eSIM TopUp Support
Emma D.
Vietnam · Sep 2025
Honestly better than buying a local SIM at the airport. Activation was automatic when I arrived in Japan. Would definitely buy again.
Omar
GotoeSIM Support
· 10 months ago So glad to hear this, Emma! Thrilled it made staying connected effortless. – Omar, eSIM TopUp Support
Wei V.
Saudi Arabia · Sep 2025
No more hunting for a SIM card kiosk on arrival in Japan. The QR code arrived instantly by email. Five stars from me.
James
GotoeSIM Support
· 10 months ago Thank you so much, Wei! Thrilled it made staying connected effortless. Come back anytime! — James
Arjun G.
Italy · Sep 2025
Installed in minutes by scanning the QR code in Japan. Data lasted the whole trip with room to spare. Five stars from me.
Diego
GotoeSIM Support
· 10 months ago Thanks for sharing, Arjun! So happy the Japan eSIM kept you connected. – Diego, eSIM TopUp Support
Ingrid N.
Poland · Sep 2025
Did the job without any drama. Signal held up well on trains and in rural areas.
Diego
GotoeSIM Support
· 10 months ago Thank you so much, Ingrid! Delighted the speeds worked well for you. – Diego 💜
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?