Japan eSIM — reviews & details
Japan 20GB 30Days (IIJ) · 20 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Daniel C.
United States · Apr 2025
Did the job without any drama. Topping up was straightforward when I needed more. Made staying connected effortless.
Mark
GotoeSIM Support
· 1 year ago Thank you for the kind words, Daniel! Great to know the setup was quick and easy. – Mark, eSIM TopUp Support
Diego W.
South Korea · Apr 2025
Super easy to set up before I flew out. Activation was automatic when I arrived. Five stars from me.
Mark
GotoeSIM Support
· 1 year ago Really appreciate this, Diego! Delighted the speeds worked well for you. Enjoy your journeys! — Mark
Ava K.
Australia · Apr 2025
No more hunting for a SIM card kiosk on arrival. Signal held up well on trains and in rural areas. Exactly as described — no surprises.
David
GotoeSIM Support
· 1 year ago Thanks a lot, Ava! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – David 💜
Mohammed C.
Egypt · Apr 2025
Connected the moment I landed in Japan. Customer support answered my question quickly. Zero regrets.
Emma
GotoeSIM Support
· 1 year ago Cheers, Mohammed! Wonderful to hear it worked smoothly in Japan. – Emma, eSIM TopUp Support
Diego W.
United States · Apr 2025
Great value compared to roaming charges in Japan. Data lasted the whole trip with room to spare. A must-have for international travel.
Yuki
GotoeSIM Support
· 1 year ago Thanks a lot, Diego! Love that you were online the moment you landed in Japan. Come back anytime! – Yuki, eSIM TopUp Support
Grace H.
Philippines · Apr 2025
Used this on my trip and it worked perfectly. I kept my normal number for calls while using this for data. A must-have for international travel.
Ingrid
GotoeSIM Support
· 1 year ago So glad to hear this, Grace! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Ingrid 💜
Somchai T.
Turkey · Apr 2025
Super easy to set up before I flew out. Topping up was straightforward when I needed more. Zero regrets.
Priya
GotoeSIM Support
· 1 year ago Thanks a lot, Somchai! Delighted the speeds worked well for you. – Priya, eSIM TopUp Support
Diego F.
South Korea · Mar 2025
First time using an eSIM and it was painless. Topping up was straightforward when I needed more. Five stars from me.
James
GotoeSIM Support
· 1 year ago Thank you so much, Diego! Love that you were online the moment you landed in Japan. Come back anytime! — James, eSIM TopUp Support
Lea H.
New Zealand · Mar 2025
Great value compared to roaming charges in Japan. Speeds were solid for maps, messaging and browsing.
Sara
GotoeSIM Support
· 1 year ago Thank you for the kind words, Lea! So happy the Japan eSIM kept you connected. We're here whenever you travel again. – Sara 💜
Noah R.
United States · Mar 2025
Connected the moment I landed. Streaming and video calls worked without buffering. Highly recommend for any traveller.
Ingrid
GotoeSIM Support
· 1 year ago Really appreciate this, Noah! Thrilled it made staying connected effortless. – Ingrid 💜
Ravi C.
India · Mar 2025
Did the job without any drama. Ran hotspot to my laptop with no issues. Will use eSIM TopUp for my next trip for sure.
Laura
GotoeSIM Support
· 1 year ago Thanks for sharing, Ravi! Love that you were online the moment you landed in Japan. Come back anytime! – Laura, eSIM TopUp Support
Priya T.
Japan · Mar 2025
Installed in minutes by scanning the QR code in Japan. Topping up was straightforward when I needed more. Made staying connected effortless.
Diego
GotoeSIM Support
· 1 year ago Really appreciate this, Priya! Great to know the setup was quick and easy. Come back anytime! — Diego
Budi W.
Switzerland · Mar 2025
Did the job without any drama. I kept my normal number for calls while using this for data. A must-have for international travel.
Sophie
GotoeSIM Support
· 1 year ago Cheers, Budi! Thrilled it made staying connected effortless. We're here whenever you travel again. – Sophie 💜
Pablo P.
Sweden · Mar 2025
First time using an eSIM and it was painless. Activation was automatic when I arrived in Japan. Will use eSIM TopUp for my next trip for sure.
Diego
GotoeSIM Support
· 1 year ago Thanks for sharing, Pablo! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — Diego
Linh R.
South Korea · Mar 2025
Super easy to set up before I flew out. Setup instructions in the app were clear and simple. Great experience overall.
Omar
GotoeSIM Support
· 1 year ago Thank you so much, Linh! Wonderful to hear it worked smoothly in Japan. Come back anytime! — Omar, 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?