Japan eSIM — reviews & details
Japan 3GB 15Days (IIJ) · 3 GB · 15 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Arjun G.
Spain · Feb 2025
First time using an eSIM and it was painless. Customer support answered my question quickly.
James
GotoeSIM Support
· 1 year ago Thank you so much, Arjun! Thrilled it made staying connected effortless. Come back anytime! — James
Zoe B.
Canada · Feb 2025
Installed in minutes by scanning the QR code. Speeds were solid for maps, messaging and browsing. Highly recommend for any traveller.
Ken
GotoeSIM Support
· 1 year ago Thank you for the kind words, Zoe! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Ken, eSIM TopUp Support
Nadia W.
United Kingdom · Feb 2025
Did the job without any drama in Japan. Streaming and video calls worked without buffering. Great experience overall.
Yuki
GotoeSIM Support
· 1 year ago Thanks a lot, Nadia! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! — Yuki, eSIM TopUp Support
Lea C.
Canada · Feb 2025
Did the job without any drama in Japan. Speeds were solid for maps, messaging and browsing.
Priya
GotoeSIM Support
· 1 year ago Really appreciate this, Lea! So pleased it saved you from roaming bills. We're here whenever you travel again. — Priya, eSIM TopUp Support
Daniel G.
Brazil · Feb 2025
Super easy to set up before I flew out. Streaming and video calls worked without buffering. Five stars from me.
Priya
GotoeSIM Support
· 1 year ago Thank you for the kind words, Daniel! Love that you were online the moment you landed in Japan. – Priya, eSIM TopUp Support
Hana T.
Mexico · Feb 2025
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare. Will use eSIM TopUp for my next trip for sure.
David
GotoeSIM Support
· 1 year ago Thanks a lot, Hana! Great to know the setup was quick and easy. Come back anytime! – David 💜
James W.
Japan · Feb 2025
Installed in minutes by scanning the QR code. The QR code arrived instantly by email. Telling my friends about this.
Anna
GotoeSIM Support
· 1 year ago Thank you for the kind words, James! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Anna, eSIM TopUp Support
Arjun H.
Japan · Feb 2025
Super easy to set up before I flew out. Topping up was straightforward when I needed more. Telling my friends about this.
Sara
GotoeSIM Support
· 1 year ago Cheers, Arjun! So pleased it saved you from roaming bills. Come back anytime! — Sara
Nguyen G.
Netherlands · Feb 2025
Honestly better than buying a local SIM at the airport. Activation was automatic when I arrived. Highly recommend for any traveller.
James
GotoeSIM Support
· 1 year ago Thanks for sharing, Nguyen! Love that you were online the moment you landed in Japan. Come back anytime! — James
Giulia V.
France · Feb 2025
Connected the moment I landed. I kept my normal number for calls while using this for data.
Sophie
GotoeSIM Support
· 1 year ago Thank you so much, Giulia! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – Sophie 💜
Wei B.
Switzerland · Feb 2025
First time using an eSIM and it was painless. Customer support answered my question quickly. A must-have for international travel.
Ingrid
GotoeSIM Support
· 1 year ago Thanks for sharing, Wei! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! – Ingrid 💜
Sarah H.
Switzerland · Jan 2025
Honestly better than buying a local SIM at the airport in Japan. Streaming and video calls worked without buffering.
Tom
GotoeSIM Support
· 1 year ago Thanks a lot, Sarah! So pleased it saved you from roaming bills. Come back anytime! – Tom 💜
Thomas F.
South Korea · Jan 2025
Installed in minutes by scanning the QR code. Customer support answered my question quickly. Telling my friends about this.
Diego
GotoeSIM Support
· 1 year ago Thank you so much, Thomas! So pleased it saved you from roaming bills. Come back anytime! – Diego, eSIM TopUp Support
Aisha B.
Vietnam · Jan 2025
Installed in minutes by scanning the QR code. The QR code arrived instantly by email. Exactly as described — no surprises.
Grace
GotoeSIM Support
· 1 year ago Cheers, Aisha! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! – Grace 💜
Mateo M.
Switzerland · Jan 2025
No more hunting for a SIM card kiosk on arrival. Signal held up well on trains and in rural areas. A must-have for international travel.
Tom
GotoeSIM Support
· 1 year ago Cheers, Mateo! Delighted the speeds worked well for you. — Tom
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?