Japan eSIM — reviews & details
Japan 20GB 30Days (IIJ) · 20 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Arjun V.
Germany · Jan 2025
Bought it the night before my flight — smooth process. The QR code arrived instantly by email. Telling my friends about this.
Anna
GotoeSIM Support
· 1 year ago So glad to hear this, Arjun! So happy the Japan eSIM kept you connected. – Anna, eSIM TopUp Support
Liam N.
Singapore · Jan 2025
Connected the moment I landed. Customer support answered my question quickly. Will use eSIM TopUp for my next trip for sure.
Emma
GotoeSIM Support
· 1 year ago Cheers, Liam! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — Emma, eSIM TopUp Support
Emma V.
Indonesia · Jan 2025
Exactly what I needed for travelling. Data lasted the whole trip with room to spare. Highly recommend for any traveller.
Sophie
GotoeSIM Support
· 1 year ago Thanks for sharing, Emma! Love that you were online the moment you landed in Japan. — Sophie, eSIM TopUp Support
Grace K.
Egypt · Dec 2024
Exactly what I needed for travelling. Data lasted the whole trip with room to spare. A must-have for international travel.
Priya
GotoeSIM Support
· 1 year ago Cheers, Grace! Great to know the setup was quick and easy. — Priya
Ryan T.
Brazil · Dec 2024
Installed in minutes by scanning the QR code. Signal held up well on trains and in rural areas.
Mark
GotoeSIM Support
· 1 year ago Really appreciate this, Ryan! So happy the Japan eSIM kept you connected. Enjoy your journeys! – Mark, eSIM TopUp Support
Marco P.
Ireland · Dec 2024
Installed in minutes by scanning the QR code. The QR code arrived instantly by email. Telling my friends about this.
Laura
GotoeSIM Support
· 1 year ago Thanks a lot, Marco! So pleased it saved you from roaming bills. — Laura
Zoe N.
India · Dec 2024
Super easy to set up before I flew out in Japan. Setup instructions in the app were clear and simple.
Laura
GotoeSIM Support
· 1 year ago Thank you so much, Zoe! Great to know the setup was quick and easy. — Laura
Nguyen D.
Germany · Dec 2024
Bought it the night before my flight — smooth process. Coverage was strong even outside the city. Will use eSIM TopUp for my next trip for sure.
Ingrid
GotoeSIM Support
· 1 year ago Thanks a lot, Nguyen! Thrilled it made staying connected effortless. – Ingrid, eSIM TopUp Support
Lucas N.
Saudi Arabia · Dec 2024
First time using an eSIM and it was painless. Topping up was straightforward when I needed more. Exactly as described — no surprises.
Emma
GotoeSIM Support
· 1 year ago So glad to hear this, Lucas! Thrilled it made staying connected effortless. – Emma 💜
Andre F.
United States · Dec 2024
Installed in minutes by scanning the QR code. Ran hotspot to my laptop with no issues. Highly recommend for any traveller.
Ken
GotoeSIM Support
· 1 year ago Thank you so much, Andre! So happy the Japan eSIM kept you connected. — Ken, eSIM TopUp Support
Ananya L.
Ireland · Dec 2024
Connected the moment I landed in Japan. Signal held up well on trains and in rural areas. Would definitely buy again.
James
GotoeSIM Support
· 1 year ago Thank you for the kind words, Ananya! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! – James, eSIM TopUp Support
Hugo F.
South Korea · Dec 2024
Exactly what I needed for travelling. Signal held up well on trains and in rural areas. Telling my friends about this.
Mark
GotoeSIM Support
· 1 year ago Really appreciate this, Hugo! Thrilled it made staying connected effortless. We're here whenever you travel again. – Mark, eSIM TopUp Support
Hana M.
Philippines · Dec 2024
Super easy to set up before I flew out. I kept my normal number for calls while using this for data. Highly recommend for any traveller.
Tom
GotoeSIM Support
· 1 year ago Thank you for the kind words, Hana! Love that you were online the moment you landed in Japan. – Tom 💜
Somchai K.
Turkey · Dec 2024
Super easy to set up before I flew out. Customer support answered my question quickly. Telling my friends about this.
Sophie
GotoeSIM Support
· 1 year ago So glad to hear this, Somchai! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. – Sophie, eSIM TopUp Support
Andre V.
Turkey · Dec 2024
Did the job without any drama in Japan. Customer support answered my question quickly.
Ingrid
GotoeSIM Support
· 1 year ago Thank you for the kind words, Andre! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Ingrid
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?