Japan eSIM — reviews & details
Japan 20GB 30Days (IIJ) · 20 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Min-jun L.
Mexico · Apr 2026
Exactly what I needed for travelling. Topping up was straightforward when I needed more. Telling my friends about this.
Sophie
GotoeSIM Support
· 4 months ago Really appreciate this, Min-jun! So pleased it saved you from roaming bills. – Sophie 💜
Fatima F.
United States · Mar 2026
Honestly better than buying a local SIM at the airport. Ran hotspot to my laptop with no issues. Would definitely buy again.
Mark
GotoeSIM Support
· 4 months ago Thanks for sharing, Fatima! So pleased it saved you from roaming bills. – Mark, eSIM TopUp Support
Mateo B.
New Zealand · Mar 2026
Installed in minutes by scanning the QR code. Activation was automatic when I arrived. Exactly as described — no surprises.
Emma
GotoeSIM Support
· 4 months ago Really appreciate this, Mateo! Love that you were online the moment you landed in Japan. We're here whenever you travel again. — Emma, eSIM TopUp Support
Thomas S.
Japan · Mar 2026
Did the job without any drama. Streaming and video calls worked without buffering. Will use eSIM TopUp for my next trip for sure.
Yuki
GotoeSIM Support
· 4 months ago Thanks a lot, Thomas! So happy the Japan eSIM kept you connected. — Yuki, eSIM TopUp Support
Wei V.
Indonesia · Mar 2026
No more hunting for a SIM card kiosk on arrival. Streaming and video calls worked without buffering.
Emma
GotoeSIM Support
· 4 months ago Thank you so much, Wei! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Emma, eSIM TopUp Support
Mohammed S.
Germany · Mar 2026
Installed in minutes by scanning the QR code. Activation was automatic when I arrived.
Ingrid
GotoeSIM Support
· 4 months ago Thanks a lot, Mohammed! Wonderful to hear it worked smoothly in Japan. Come back anytime! — Ingrid, eSIM TopUp Support
Ingrid S.
Saudi Arabia · Mar 2026
Saved me a fortune on my holiday. Data lasted the whole trip with room to spare.
Priya
GotoeSIM Support
· 4 months ago Thank you so much, Ingrid! Love that you were online the moment you landed in Japan. Come back anytime! — Priya
Ryan G.
Sweden · Mar 2026
Exactly what I needed for travelling. Setup instructions in the app were clear and simple. Great experience overall.
Omar
GotoeSIM Support
· 4 months ago Thanks for sharing, Ryan! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Omar, eSIM TopUp Support
Anna V.
United Kingdom · Mar 2026
Bought it the night before my flight — smooth process. Customer support answered my question quickly. Great experience overall.
Laura
GotoeSIM Support
· 5 months ago Thanks for sharing, Anna! Thrilled it made staying connected effortless. – Laura, eSIM TopUp Support
Omar L.
Spain · Mar 2026
Bought it the night before my flight — smooth process. Streaming and video calls worked without buffering. Made staying connected effortless.
Sophie
GotoeSIM Support
· 5 months ago Thank you so much, Omar! Love that you were online the moment you landed in Japan. Come back anytime! – Sophie, eSIM TopUp Support
Haruto L.
Egypt · Mar 2026
Installed in minutes by scanning the QR code. Customer support answered my question quickly.
Tom
GotoeSIM Support
· 5 months ago Cheers, Haruto! Wonderful to hear it worked smoothly in Japan. – Tom 💜
Giulia L.
Brazil · Mar 2026
Exactly what I needed for travelling in Japan. Topping up was straightforward when I needed more. Would definitely buy again.
Tom
GotoeSIM Support
· 5 months ago Thanks for sharing, Giulia! Love that you were online the moment you landed in Japan. We're here whenever you travel again. – Tom, eSIM TopUp Support
Min-jun S.
Philippines · Mar 2026
Saved me a fortune on my holiday in Japan. Ran hotspot to my laptop with no issues.
David
GotoeSIM Support
· 5 months ago So glad to hear this, Min-jun! Wonderful to hear it worked smoothly in Japan. — David, eSIM TopUp Support
Marco R.
Saudi Arabia · Mar 2026
Great value compared to roaming charges. Speeds were solid for maps, messaging and browsing. Five stars from me.
Sara
GotoeSIM Support
· 5 months ago Thanks for sharing, Marco! Delighted the speeds worked well for you. Enjoy your journeys! — Sara
Pablo T.
Germany · Feb 2026
Connected the moment I landed. The QR code arrived instantly by email. Highly recommend for any traveller.
Mark
GotoeSIM Support
· 5 months ago Thank you for the kind words, Pablo! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Mark, eSIM TopUp Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 20GB 30Days (IIJ) plan costs $12.30 for 20 GB over 30 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
Katya K. · 2 months ago
Is 5G supported or just 4G?
Katya V. · 7 months ago
Thanks, installed with no problems on my Samsung.
Beatriz C. · 8 months ago
Is roaming charged extra or is it all included?
Lea B. · 8 months ago
Will this keep my WhatsApp active with my home number?
Kenji R. · 9 months ago
Do I need to install it before I travel or after I arrive?
Zoe V. · 9 months ago
How do I check how much data I have left?
Grace C. · 10 months ago
Great guide, the setup steps were really helpful.
Camila M. · 11 months ago
Can I use it in nearby countries too?
Mateo B. · 11 months ago
Which networks does this connect to?
Beatriz R. · 11 months ago
Does the validity start on purchase or on first use?
Sarah V. · 11 months ago
How long does the QR code take to arrive after payment?
Thomas N. · 1 year ago
Can I top up the same eSIM instead of buying a new one?