Japan eSIM — reviews & details
Japan 3GB 15Days (IIJ) · 3 GB · 15 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Arjun F.
South Korea · Jun 2026
Super easy to set up before I flew out. Activation was automatic when I arrived. Telling my friends about this.
Priya
GotoeSIM Support
· 1 month ago Thanks for sharing, Arjun! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – Priya 💜
Camila P.
Australia · Jun 2026
Super easy to set up before I flew out. Topping up was straightforward when I needed more. Telling my friends about this.
Omar
GotoeSIM Support
· 1 month ago Thanks a lot, Camila! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Omar, eSIM TopUp Support
Fatima F.
Brazil · Jun 2026
Did the job without any drama. Topping up was straightforward when I needed more. Exactly as described — no surprises.
Laura
GotoeSIM Support
· 1 month ago Thank you for the kind words, Fatima! So happy the Japan eSIM kept you connected. We're here whenever you travel again. — Laura
Lucas R.
Malaysia · Jun 2026
Super easy to set up before I flew out. Activation was automatic when I arrived.
Mark
GotoeSIM Support
· 1 month ago Thanks a lot, Lucas! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! – Mark, eSIM TopUp Support
Isabella H.
Netherlands · Jun 2026
Great value compared to roaming charges in Japan. Topping up was straightforward when I needed more. Zero regrets.
James
GotoeSIM Support
· 1 month ago Thanks a lot, Isabella! Wonderful to hear it worked smoothly in Japan. Come back anytime! – James, eSIM TopUp Support
Marco H.
Spain · Jun 2026
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare.
James
GotoeSIM Support
· 1 month ago So glad to hear this, Marco! Wonderful to hear it worked smoothly in Japan. — James
Grace D.
United Kingdom · Jun 2026
First time using an eSIM and it was painless in Japan. The QR code arrived instantly by email. Great experience overall.
Sophie
GotoeSIM Support
· 2 months ago Thank you so much, Grace! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Sophie 💜
Mei W.
Spain · Jun 2026
First time using an eSIM and it was painless. Ran hotspot to my laptop with no issues. Made staying connected effortless.
Sara
GotoeSIM Support
· 2 months ago Really appreciate this, Mei! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Sara
Mateo M.
Thailand · Jun 2026
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more.
Emma
GotoeSIM Support
· 2 months ago Thank you so much, Mateo! Great to know the setup was quick and easy. — Emma
Ethan H.
Turkey · Jun 2026
Saved me a fortune on my holiday. Setup instructions in the app were clear and simple.
Tom
GotoeSIM Support
· 2 months ago Really appreciate this, Ethan! So pleased it saved you from roaming bills. Enjoy your journeys! — Tom, eSIM TopUp Support
Ava H.
Germany · Jun 2026
Did the job without any drama. Speeds were solid for maps, messaging and browsing.
Anna
GotoeSIM Support
· 2 months ago So glad to hear this, Ava! Thrilled it made staying connected effortless. We're here whenever you travel again. — Anna, eSIM TopUp Support
Grace K.
United States · Jun 2026
Connected the moment I landed in Japan. Ran hotspot to my laptop with no issues.
Ingrid
GotoeSIM Support
· 2 months ago Thank you for the kind words, Grace! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! – Ingrid 💜
Ravi N.
Australia · May 2026
Saved me a fortune on my holiday in Japan. Ran hotspot to my laptop with no issues.
David
GotoeSIM Support
· 2 months ago Thanks for sharing, Ravi! Great to know the setup was quick and easy. – David 💜
Ravi C.
India · May 2026
Honestly better than buying a local SIM at the airport in Japan. Speeds were solid for maps, messaging and browsing.
Laura
GotoeSIM Support
· 2 months ago Thanks a lot, Ravi! Thrilled it made staying connected effortless. – Laura 💜
Olivia K.
Ireland · May 2026
Saved me a fortune on my holiday. Speeds were solid for maps, messaging and browsing. Made staying connected effortless.
Emma
GotoeSIM Support
· 2 months ago Thanks for sharing, Olivia! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! – Emma 💜
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?