Japan eSIM — reviews & details
Japan 3GB 15Days (IIJ) · 3 GB · 15 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Mohammed W.
UAE · Aug 2025
First time using an eSIM and it was painless. Coverage was strong even outside the city. A must-have for international travel.
Laura
GotoeSIM Support
· 11 months ago Thank you so much, Mohammed! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Laura
Pablo G.
United States · Aug 2025
No more hunting for a SIM card kiosk on arrival. Customer support answered my question quickly. Five stars from me.
Laura
GotoeSIM Support
· 11 months ago Really appreciate this, Pablo! Wonderful to hear it worked smoothly in Japan. — Laura
Hana R.
Canada · Aug 2025
Exactly what I needed for travelling. Ran hotspot to my laptop with no issues. Great experience overall.
James
GotoeSIM Support
· 11 months ago Really appreciate this, Hana! Delighted the speeds worked well for you. – James, eSIM TopUp Support
Ryan C.
Thailand · Aug 2025
Saved me a fortune on my holiday. Speeds were solid for maps, messaging and browsing.
Tom
GotoeSIM Support
· 11 months ago Cheers, Ryan! Great to know the setup was quick and easy. — Tom, eSIM TopUp Support
Ananya F.
Switzerland · Aug 2025
Great value compared to roaming charges. Speeds were solid for maps, messaging and browsing.
Ken
GotoeSIM Support
· 11 months ago Really appreciate this, Ananya! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Ken
Nadia H.
United States · Aug 2025
Exactly what I needed for travelling. I kept my normal number for calls while using this for data. Will use eSIM TopUp for my next trip for sure.
Laura
GotoeSIM Support
· 11 months ago So glad to hear this, Nadia! Thrilled it made staying connected effortless. – Laura, eSIM TopUp Support
Viktor V.
India · Aug 2025
Installed in minutes by scanning the QR code in Japan. Topping up was straightforward when I needed more. Exactly as described — no surprises.
David
GotoeSIM Support
· 1 year ago Thanks for sharing, Viktor! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — David, eSIM TopUp Support
Anna W.
Australia · Aug 2025
Used this on my trip and it worked perfectly. Activation was automatic when I arrived. Made staying connected effortless.
Omar
GotoeSIM Support
· 1 year ago Really appreciate this, Anna! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Omar, eSIM TopUp Support
Hana D.
Egypt · Jul 2025
Saved me a fortune on my holiday. Speeds were solid for maps, messaging and browsing.
Ingrid
GotoeSIM Support
· 1 year ago Thank you so much, Hana! Great to know the setup was quick and easy. We're here whenever you travel again. – Ingrid 💜
Budi F.
Japan · Jul 2025
First time using an eSIM and it was painless. The QR code arrived instantly by email.
Mark
GotoeSIM Support
· 1 year ago So glad to hear this, Budi! Great to know the setup was quick and easy. Enjoy your journeys! — Mark, eSIM TopUp Support
Min-jun W.
New Zealand · Jul 2025
Did the job without any drama. Topping up was straightforward when I needed more. Telling my friends about this.
Diego
GotoeSIM Support
· 1 year ago So glad to hear this, Min-jun! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Diego
Ethan M.
Turkey · Jul 2025
Used this on my trip and it worked perfectly. Topping up was straightforward when I needed more. Telling my friends about this.
Omar
GotoeSIM Support
· 1 year ago Thank you so much, Ethan! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Omar 💜
Viktor M.
United States · Jul 2025
Saved me a fortune on my holiday in Japan. Ran hotspot to my laptop with no issues. A must-have for international travel.
Anna
GotoeSIM Support
· 1 year ago Thanks for sharing, Viktor! Delighted the speeds worked well for you. – Anna, eSIM TopUp Support
Ravi R.
Mexico · Jul 2025
Great value compared to roaming charges in Japan. Customer support answered my question quickly. Will use eSIM TopUp for my next trip for sure.
Sara
GotoeSIM Support
· 1 year ago Thanks for sharing, Ravi! So pleased it saved you from roaming bills. We're here whenever you travel again. – Sara, eSIM TopUp Support
Pablo F.
Malaysia · Jul 2025
Saved me a fortune on my holiday. Signal held up well on trains and in rural areas. Highly recommend for any traveller.
Sophie
GotoeSIM Support
· 1 year ago Cheers, Pablo! So happy the Japan eSIM kept you connected. – Sophie, eSIM TopUp Support
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?