Japan eSIM — reviews & details
Japan 3GB 15Days (IIJ) · 3 GB · 15 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Diego W.
United States · Dec 2025
Installed in minutes by scanning the QR code. Setup instructions in the app were clear and simple. Five stars from me.
Laura
GotoeSIM Support
· 7 months ago Thanks a lot, Diego! So pleased it saved you from roaming bills. – Laura, eSIM TopUp Support
Grace G.
Singapore · Dec 2025
Bought it the night before my flight — smooth process. Topping up was straightforward when I needed more. Exactly as described — no surprises.
Emma
GotoeSIM Support
· 7 months ago Cheers, Grace! Wonderful to hear it worked smoothly in Japan. — Emma, eSIM TopUp Support
Daniel S.
Ireland · Dec 2025
Super easy to set up before I flew out in Japan. Ran hotspot to my laptop with no issues. Exactly as described — no surprises.
David
GotoeSIM Support
· 8 months ago Cheers, Daniel! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! – David 💜
Mohammed T.
Singapore · Dec 2025
Super easy to set up before I flew out in Japan. I kept my normal number for calls while using this for data.
Omar
GotoeSIM Support
· 8 months ago Really appreciate this, Mohammed! Delighted the speeds worked well for you. – Omar 💜
Aisha L.
Brazil · Dec 2025
Saved me a fortune on my holiday. Customer support answered my question quickly.
Ingrid
GotoeSIM Support
· 8 months ago Cheers, Aisha! So happy the Japan eSIM kept you connected. – Ingrid, eSIM TopUp Support
Camila G.
Ireland · Dec 2025
No more hunting for a SIM card kiosk on arrival. I kept my normal number for calls while using this for data. Would definitely buy again.
Emma
GotoeSIM Support
· 8 months ago Thanks for sharing, Camila! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Emma
Camila B.
Germany · Dec 2025
Used this on my trip and it worked perfectly. Setup instructions in the app were clear and simple. A must-have for international travel.
Laura
GotoeSIM Support
· 8 months ago Really appreciate this, Camila! Thrilled it made staying connected effortless. — Laura, eSIM TopUp Support
Kenji F.
Germany · Dec 2025
No more hunting for a SIM card kiosk on arrival. Data lasted the whole trip with room to spare. Will use eSIM TopUp for my next trip for sure.
David
GotoeSIM Support
· 8 months ago Thank you for the kind words, Kenji! Thrilled it made staying connected effortless. Enjoy your journeys! – David 💜
Linh P.
Saudi Arabia · Dec 2025
Great value compared to roaming charges. Setup instructions in the app were clear and simple.
Ken
GotoeSIM Support
· 8 months ago So glad to hear this, Linh! Love that you were online the moment you landed in Japan. We're here whenever you travel again. – Ken, eSIM TopUp Support
Wei R.
Poland · Dec 2025
Great value compared to roaming charges. Customer support answered my question quickly. Exactly as described — no surprises.
Ken
GotoeSIM Support
· 8 months ago Thanks a lot, Wei! So happy the Japan eSIM kept you connected. — Ken
Somchai C.
Saudi Arabia · Dec 2025
Great value compared to roaming charges. Ran hotspot to my laptop with no issues. Five stars from me.
James
GotoeSIM Support
· 8 months ago Thank you for the kind words, Somchai! So pleased it saved you from roaming bills. – James 💜
Sven V.
Saudi Arabia · Dec 2025
Exactly what I needed for travelling in Japan. Data lasted the whole trip with room to spare.
Laura
GotoeSIM Support
· 8 months ago Cheers, Sven! So pleased it saved you from roaming bills. – Laura 💜
Mohammed T.
United States · Nov 2025
No more hunting for a SIM card kiosk on arrival in Japan. Data lasted the whole trip with room to spare. A must-have for international travel.
Sara
GotoeSIM Support
· 8 months ago Thank you so much, Mohammed! Love that you were online the moment you landed in Japan. – Sara 💜
Arjun G.
Thailand · Nov 2025
No more hunting for a SIM card kiosk on arrival. Speeds were solid for maps, messaging and browsing. Would definitely buy again.
Sara
GotoeSIM Support
· 8 months ago Really appreciate this, Arjun! So pleased it saved you from roaming bills. — Sara
Kenji H.
Egypt · Nov 2025
Saved me a fortune on my holiday. Setup instructions in the app were clear and simple. Would definitely buy again.
James
GotoeSIM Support
· 8 months ago Cheers, Kenji! So pleased it saved you from roaming bills. We're here whenever you travel again. — James
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?