Japan eSIM — reviews & details
Japan 20GB 30Days (IIJ) · 20 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Daniel C.
Egypt · May 2026
No more hunting for a SIM card kiosk on arrival. Activation was automatic when I arrived. Exactly as described — no surprises.
Anna
GotoeSIM Support
· 2 months ago Thank you for the kind words, Daniel! Delighted the speeds worked well for you. Wishing you many more connected adventures! – Anna 💜
Camila D.
Switzerland · May 2026
Connected the moment I landed. Setup instructions in the app were clear and simple.
Tom
GotoeSIM Support
· 2 months ago Cheers, Camila! Great to know the setup was quick and easy. — Tom, eSIM TopUp Support
Arjun K.
India · May 2026
Installed in minutes by scanning the QR code. The QR code arrived instantly by email. Made staying connected effortless.
Mark
GotoeSIM Support
· 2 months ago Thanks a lot, Arjun! So happy the Japan eSIM kept you connected. — Mark
Zoe K.
New Zealand · May 2026
Connected the moment I landed. Topping up was straightforward when I needed more. Made staying connected effortless.
Omar
GotoeSIM Support
· 2 months ago Really appreciate this, Zoe! Delighted the speeds worked well for you. — Omar
Budi P.
United Kingdom · May 2026
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare. Five stars from me.
Ken
GotoeSIM Support
· 2 months ago Thank you for the kind words, Budi! So pleased it saved you from roaming bills. — Ken, eSIM TopUp Support
Priya C.
Egypt · May 2026
Exactly what I needed for travelling. The QR code arrived instantly by email.
Mark
GotoeSIM Support
· 2 months ago Thank you so much, Priya! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. — Mark, eSIM TopUp Support
Sven M.
France · May 2026
Used this on my trip and it worked perfectly. Setup instructions in the app were clear and simple. A must-have for international travel.
James
GotoeSIM Support
· 2 months ago Thank you for the kind words, Sven! So pleased it saved you from roaming bills. We're here whenever you travel again. – James, eSIM TopUp Support
Mateo H.
Australia · May 2026
Used this on my trip and it worked perfectly in Japan. Setup instructions in the app were clear and simple. Exactly as described — no surprises.
Mark
GotoeSIM Support
· 3 months ago Thank you so much, Mateo! Love that you were online the moment you landed in Japan. Come back anytime! – Mark, eSIM TopUp Support
Mei M.
Canada · May 2026
Used this on my trip and it worked perfectly. I kept my normal number for calls while using this for data. Five stars from me.
Laura
GotoeSIM Support
· 3 months ago So glad to hear this, Mei! Delighted the speeds worked well for you. – Laura, eSIM TopUp Support
Lucia V.
Portugal · May 2026
Used this on my trip and it worked perfectly. I kept my normal number for calls while using this for data. Would definitely buy again.
Yuki
GotoeSIM Support
· 3 months ago Thanks a lot, Lucia! Thrilled it made staying connected effortless. Enjoy your journeys! – Yuki 💜
Pablo S.
Egypt · May 2026
Installed in minutes by scanning the QR code. Coverage was strong even outside the city.
David
GotoeSIM Support
· 3 months ago Really appreciate this, Pablo! Great to know the setup was quick and easy. Come back anytime! — David
Nguyen P.
United States · May 2026
Great value compared to roaming charges in Japan. I kept my normal number for calls while using this for data.
Ingrid
GotoeSIM Support
· 3 months ago Thanks a lot, Nguyen! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! — Ingrid, eSIM TopUp Support
Yuki P.
United Kingdom · May 2026
Great value compared to roaming charges. I kept my normal number for calls while using this for data.
Anna
GotoeSIM Support
· 3 months ago Cheers, Yuki! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Anna, eSIM TopUp Support
Beatriz T.
Australia · May 2026
Used this on my trip and it worked perfectly in Japan. Streaming and video calls worked without buffering. Zero regrets.
Tom
GotoeSIM Support
· 3 months ago Thank you for the kind words, Beatriz! Thrilled it made staying connected effortless. Enjoy your journeys! – Tom, eSIM TopUp Support
Wei V.
Saudi Arabia · Apr 2026
First time using an eSIM and it was painless. Signal held up well on trains and in rural areas. Five stars from me.
Yuki
GotoeSIM Support
· 3 months ago Thank you so much, Wei! So happy the Japan eSIM kept you connected. Come back anytime! — Yuki, 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?