Japan eSIM — reviews & details
Japan 20GB 30Days (IIJ) · 20 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Arjun N.
Australia · Apr 2025
Bought it the night before my flight — smooth process in Japan. Data lasted the whole trip with room to spare. Will use eSIM TopUp for my next trip for sure.
David
GotoeSIM Support
· 1 year ago Thank you so much, Arjun! Delighted the speeds worked well for you. Enjoy your journeys! – David 💜
Ingrid V.
Singapore · Apr 2025
Exactly what I needed for travelling. Coverage was strong even outside the city.
Yuki
GotoeSIM Support
· 1 year ago Really appreciate this, Ingrid! So pleased it saved you from roaming bills. Come back anytime! — Yuki
Omar N.
New Zealand · Apr 2025
First time using an eSIM and it was painless. The QR code arrived instantly by email. Telling my friends about this.
Sophie
GotoeSIM Support
· 1 year ago Really appreciate this, Omar! Wonderful to hear it worked smoothly in Japan. — Sophie
Andre F.
Vietnam · Apr 2025
No more hunting for a SIM card kiosk on arrival in Japan. Topping up was straightforward when I needed more.
Omar
GotoeSIM Support
· 1 year ago So glad to hear this, Andre! Delighted the speeds worked well for you. Come back anytime! – Omar 💜
Yuki S.
Mexico · Apr 2025
Installed in minutes by scanning the QR code in Japan. Coverage was strong even outside the city.
Emma
GotoeSIM Support
· 1 year ago Thank you so much, Yuki! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Emma 💜
Ananya S.
Egypt · Apr 2025
No more hunting for a SIM card kiosk on arrival. Ran hotspot to my laptop with no issues.
Ken
GotoeSIM Support
· 1 year ago Thank you so much, Ananya! Delighted the speeds worked well for you. We're here whenever you travel again. – Ken 💜
Ingrid G.
Indonesia · Apr 2025
Super easy to set up before I flew out. Data lasted the whole trip with room to spare. Will use eSIM TopUp for my next trip for sure.
Diego
GotoeSIM Support
· 1 year ago Really appreciate this, Ingrid! Delighted the speeds worked well for you. Enjoy your journeys! – Diego, eSIM TopUp Support
Grace G.
Indonesia · Apr 2025
Honestly better than buying a local SIM at the airport in Japan. Speeds were solid for maps, messaging and browsing. Exactly as described — no surprises.
Laura
GotoeSIM Support
· 1 year ago So glad to hear this, Grace! Thrilled it made staying connected effortless. Enjoy your journeys! — Laura
Yuki M.
UAE · Apr 2025
Exactly what I needed for travelling. Data lasted the whole trip with room to spare. Made staying connected effortless.
David
GotoeSIM Support
· 1 year ago Thank you so much, Yuki! Thrilled it made staying connected effortless. Come back anytime! — David
Hana T.
Japan · Apr 2025
No more hunting for a SIM card kiosk on arrival. Data lasted the whole trip with room to spare.
Ken
GotoeSIM Support
· 1 year ago Cheers, Hana! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — Ken, eSIM TopUp Support
Carlos S.
Germany · Apr 2025
Exactly what I needed for travelling. Streaming and video calls worked without buffering. Great experience overall.
Priya
GotoeSIM Support
· 1 year ago Thanks a lot, Carlos! Thrilled it made staying connected effortless. Enjoy your journeys! — Priya, eSIM TopUp Support
Hana P.
Malaysia · Apr 2025
No more hunting for a SIM card kiosk on arrival. The QR code arrived instantly by email.
Emma
GotoeSIM Support
· 1 year ago So glad to hear this, Hana! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Emma 💜
Aisha G.
United States · Apr 2025
Connected the moment I landed. Setup instructions in the app were clear and simple.
Mark
GotoeSIM Support
· 1 year ago Cheers, Aisha! Delighted the speeds worked well for you. — Mark
Wei R.
Ireland · Apr 2025
First time using an eSIM and it was painless in Japan. The QR code arrived instantly by email.
Emma
GotoeSIM Support
· 1 year ago Thanks a lot, Wei! Delighted the speeds worked well for you. Come back anytime! — Emma, eSIM TopUp Support
Ryan P.
Japan · Apr 2025
Saved me a fortune on my holiday in Japan. Setup instructions in the app were clear and simple. Will use eSIM TopUp for my next trip for sure.
Sara
GotoeSIM Support
· 1 year ago Thank you for the kind words, Ryan! Love that you were online the moment you landed in Japan. We're here whenever you travel again. – Sara 💜
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?