Japan eSIM — reviews & details
Japan 20GB 30Days (IIJ) · 20 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Budi W.
Italy · Apr 2025
Connected the moment I landed in Japan. Data lasted the whole trip with room to spare. Five stars from me.
David
GotoeSIM Support
· 1 year ago Thanks for sharing, Budi! Love that you were online the moment you landed in Japan. Enjoy your journeys! – David 💜
Omar N.
Vietnam · Apr 2025
Did the job without any drama in Japan. Customer support answered my question quickly. Would definitely buy again.
Tom
GotoeSIM Support
· 1 year ago So glad to hear this, Omar! Delighted the speeds worked well for you. Enjoy your journeys! — Tom, eSIM TopUp Support
Anna T.
Brazil · Apr 2025
Saved me a fortune on my holiday in Japan. Data lasted the whole trip with room to spare. A must-have for international travel.
Ken
GotoeSIM Support
· 1 year ago Thanks for sharing, Anna! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! — Ken, eSIM TopUp Support
Omar M.
United States · Mar 2025
Used this on my trip and it worked perfectly. Setup instructions in the app were clear and simple.
Anna
GotoeSIM Support
· 1 year ago Thank you for the kind words, Omar! Delighted the speeds worked well for you. Enjoy your journeys! – Anna, eSIM TopUp Support
Elena M.
Egypt · Mar 2025
Bought it the night before my flight — smooth process. Setup instructions in the app were clear and simple.
Sara
GotoeSIM Support
· 1 year ago Thanks a lot, Elena! Thrilled it made staying connected effortless. — Sara
Kenji L.
United Kingdom · Mar 2025
Saved me a fortune on my holiday in Japan. The QR code arrived instantly by email. Exactly as described — no surprises.
Tom
GotoeSIM Support
· 1 year ago Thanks a lot, Kenji! So happy the Japan eSIM kept you connected. Come back anytime! — Tom
Carlos C.
Canada · Mar 2025
Great value compared to roaming charges. Activation was automatic when I arrived.
Ken
GotoeSIM Support
· 1 year ago Thank you for the kind words, Carlos! So happy the Japan eSIM kept you connected. — Ken
Haruto C.
Singapore · Mar 2025
Super easy to set up before I flew out. Coverage was strong even outside the city. Made staying connected effortless.
Anna
GotoeSIM Support
· 1 year ago Cheers, Haruto! Thrilled it made staying connected effortless. Enjoy your journeys! — Anna
Omar C.
UAE · Mar 2025
Installed in minutes by scanning the QR code. Topping up was straightforward when I needed more.
Anna
GotoeSIM Support
· 1 year ago Thanks a lot, Omar! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Anna
Priya D.
Malaysia · Mar 2025
No more hunting for a SIM card kiosk on arrival. Speeds were solid for maps, messaging and browsing. Will use eSIM TopUp for my next trip for sure.
Anna
GotoeSIM Support
· 1 year ago Thanks a lot, Priya! So happy the Japan eSIM kept you connected. Come back anytime! – Anna 💜
Kenji C.
Philippines · Mar 2025
Super easy to set up before I flew out. The QR code arrived instantly by email. Made staying connected effortless.
Omar
GotoeSIM Support
· 1 year ago Thank you so much, Kenji! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Omar, eSIM TopUp Support
Nadia L.
Vietnam · Mar 2025
Great value compared to roaming charges. Streaming and video calls worked without buffering.
Sara
GotoeSIM Support
· 1 year ago Really appreciate this, Nadia! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! – Sara 💜
Nguyen L.
Japan · Mar 2025
Exactly what I needed for travelling. The QR code arrived instantly by email.
David
GotoeSIM Support
· 1 year ago Thanks for sharing, Nguyen! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — David
Camila H.
Japan · Mar 2025
Honestly better than buying a local SIM at the airport. Streaming and video calls worked without buffering. Exactly as described — no surprises.
Mark
GotoeSIM Support
· 1 year ago Thanks a lot, Camila! Wonderful to hear it worked smoothly in Japan. Come back anytime! – Mark 💜
Aisha R.
Germany · Mar 2025
Installed in minutes by scanning the QR code. Ran hotspot to my laptop with no issues. Will use eSIM TopUp for my next trip for sure.
Omar
GotoeSIM Support
· 1 year ago Thank you for the kind words, Aisha! Wonderful to hear it worked smoothly in Japan. — 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?