Japan eSIM — reviews & details
Japan 20GB 30Days (IIJ) · 20 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Ananya P.
United States · Nov 2024
No more hunting for a SIM card kiosk on arrival. Coverage was strong even outside the city. Would definitely buy again.
Sophie
GotoeSIM Support
· 1 year ago Thanks a lot, Ananya! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – Sophie 💜
Marco V.
Indonesia · Nov 2024
Did the job without any drama in Japan. Topping up was straightforward when I needed more.
Yuki
GotoeSIM Support
· 1 year ago Thank you for the kind words, Marco! So pleased it saved you from roaming bills. — Yuki, eSIM TopUp Support
Ravi G.
Spain · Nov 2024
Saved me a fortune on my holiday in Japan. Setup instructions in the app were clear and simple. Telling my friends about this.
Ingrid
GotoeSIM Support
· 1 year ago So glad to hear this, Ravi! Thrilled it made staying connected effortless. — Ingrid, eSIM TopUp Support
Nadia K.
Australia · Nov 2024
Honestly better than buying a local SIM at the airport in Japan. Topping up was straightforward when I needed more.
Tom
GotoeSIM Support
· 1 year ago Thanks for sharing, Nadia! Wonderful to hear it worked smoothly in Japan. Come back anytime! – Tom 💜
Haruto C.
Poland · Nov 2024
Connected the moment I landed in Japan. I kept my normal number for calls while using this for data. Would definitely buy again.
Omar
GotoeSIM Support
· 1 year ago So glad to hear this, Haruto! So pleased it saved you from roaming bills. Enjoy your journeys! — Omar, eSIM TopUp Support
Thomas M.
Italy · Nov 2024
Did the job without any drama. I kept my normal number for calls while using this for data. Exactly as described — no surprises.
Mark
GotoeSIM Support
· 1 year ago Thanks for sharing, Thomas! So pleased it saved you from roaming bills. We're here whenever you travel again. – Mark 💜
Hugo P.
South Korea · Nov 2024
Did the job without any drama. Streaming and video calls worked without buffering. Great experience overall.
Ken
GotoeSIM Support
· 1 year ago Thank you so much, Hugo! Thrilled it made staying connected effortless. – Ken 💜
Nguyen W.
United Kingdom · Oct 2024
Did the job without any drama in Japan. Speeds were solid for maps, messaging and browsing.
Sophie
GotoeSIM Support
· 1 year ago Cheers, Nguyen! Love that you were online the moment you landed in Japan. Come back anytime! – Sophie 💜
Zoe N.
South Korea · Oct 2024
First time using an eSIM and it was painless in Japan. The QR code arrived instantly by email.
Ken
GotoeSIM Support
· 1 year ago Thank you so much, Zoe! Love that you were online the moment you landed in Japan. We're here whenever you travel again. — Ken, eSIM TopUp Support
Ananya P.
Poland · Oct 2024
Installed in minutes by scanning the QR code in Japan. Customer support answered my question quickly. A must-have for international travel.
Sophie
GotoeSIM Support
· 1 year ago So glad to hear this, Ananya! Wonderful to hear it worked smoothly in Japan. – Sophie, eSIM TopUp Support
Carlos V.
Ireland · Oct 2024
Great value compared to roaming charges. Setup instructions in the app were clear and simple. Five stars from me.
Laura
GotoeSIM Support
· 1 year ago Thank you for the kind words, Carlos! So pleased it saved you from roaming bills. Enjoy your journeys! – Laura, eSIM TopUp Support
Beatriz K.
United Kingdom · Oct 2024
Connected the moment I landed. Coverage was strong even outside the city. Exactly as described — no surprises.
Sara
GotoeSIM Support
· 1 year ago Thanks a lot, Beatriz! Wonderful to hear it worked smoothly in Japan. — Sara
Noah K.
Netherlands · Oct 2024
Used this on my trip and it worked perfectly. Streaming and video calls worked without buffering. A must-have for international travel.
James
GotoeSIM Support
· 1 year ago Thanks a lot, Noah! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — James, eSIM TopUp Support
Ava L.
South Korea · Oct 2024
Bought it the night before my flight — smooth process. Ran hotspot to my laptop with no issues. Made staying connected effortless.
James
GotoeSIM Support
· 1 year ago So glad to hear this, Ava! Delighted the speeds worked well for you. Enjoy your journeys! – James, eSIM TopUp Support
Ravi G.
United Kingdom · Oct 2024
Super easy to set up before I flew out. The QR code arrived instantly by email. A must-have for international travel.
Ingrid
GotoeSIM Support
· 1 year ago Thank you for the kind words, Ravi! Thrilled it made staying connected effortless. — Ingrid, 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?