Japan eSIM — reviews & details
Japan 20GB 30Days (IIJ) · 20 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Ava G.
Portugal · Jul 2025
Bought it the night before my flight — smooth process. Coverage was strong even outside the city. Great experience overall.
Anna
GotoeSIM Support
· 1 year ago Thanks for sharing, Ava! Thrilled it made staying connected effortless. — Anna, eSIM TopUp Support
Ravi C.
Brazil · Jul 2025
Saved me a fortune on my holiday. Activation was automatic when I arrived. Great experience overall.
Mark
GotoeSIM Support
· 1 year ago Cheers, Ravi! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! — Mark, eSIM TopUp Support
Marco K.
Portugal · Jul 2025
Exactly what I needed for travelling. Ran hotspot to my laptop with no issues. Exactly as described — no surprises.
Ingrid
GotoeSIM Support
· 1 year ago Thank you so much, Marco! Great to know the setup was quick and easy. Enjoy your journeys! – Ingrid, eSIM TopUp Support
Pablo R.
Spain · Jul 2025
Did the job without any drama. Topping up was straightforward when I needed more. Made staying connected effortless.
Ingrid
GotoeSIM Support
· 1 year ago Thank you for the kind words, Pablo! Love that you were online the moment you landed in Japan. We're here whenever you travel again. – Ingrid 💜
Giulia N.
Ireland · Jun 2025
Honestly better than buying a local SIM at the airport. Ran hotspot to my laptop with no issues.
Mark
GotoeSIM Support
· 1 year ago Thank you so much, Giulia! Wonderful to hear it worked smoothly in Japan. Come back anytime! — Mark
Beatriz D.
Indonesia · Jun 2025
Exactly what I needed for travelling. The QR code arrived instantly by email.
Ken
GotoeSIM Support
· 1 year ago Really appreciate this, Beatriz! So pleased it saved you from roaming bills. We're here whenever you travel again. – Ken, eSIM TopUp Support
Arjun D.
Indonesia · Jun 2025
No more hunting for a SIM card kiosk on arrival. The QR code arrived instantly by email. Will use eSIM TopUp for my next trip for sure.
Sara
GotoeSIM Support
· 1 year ago So glad to hear this, Arjun! Wonderful to hear it worked smoothly in Japan. — Sara
Ingrid S.
India · Jun 2025
Used this on my trip and it worked perfectly. I kept my normal number for calls while using this for data. Great experience overall.
Ken
GotoeSIM Support
· 1 year ago Cheers, Ingrid! Wonderful to hear it worked smoothly in Japan. Come back anytime! — Ken, eSIM TopUp Support
Anna S.
Sweden · Jun 2025
No more hunting for a SIM card kiosk on arrival in Japan. Customer support answered my question quickly. Exactly as described — no surprises.
Mark
GotoeSIM Support
· 1 year ago So glad to hear this, Anna! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Mark 💜
Yuki C.
South Korea · Jun 2025
Exactly what I needed for travelling in Japan. Ran hotspot to my laptop with no issues.
Mark
GotoeSIM Support
· 1 year ago So glad to hear this, Yuki! Great to know the setup was quick and easy. We're here whenever you travel again. — Mark
Beatriz S.
France · Jun 2025
Exactly what I needed for travelling in Japan. I kept my normal number for calls while using this for data. Exactly as described — no surprises.
Anna
GotoeSIM Support
· 1 year ago Cheers, Beatriz! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Anna, eSIM TopUp Support
James W.
Spain · Jun 2025
Great value compared to roaming charges. Setup instructions in the app were clear and simple. Would definitely buy again.
Ingrid
GotoeSIM Support
· 1 year ago Thank you so much, James! Great to know the setup was quick and easy. Come back anytime! — Ingrid, eSIM TopUp Support
Hugo B.
United States · Jun 2025
Did the job without any drama. Streaming and video calls worked without buffering.
Emma
GotoeSIM Support
· 1 year ago Thank you for the kind words, Hugo! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Emma 💜
Grace B.
Poland · Jun 2025
Honestly better than buying a local SIM at the airport. Data lasted the whole trip with room to spare. Zero regrets.
Grace
GotoeSIM Support
· 1 year ago So glad to hear this, Grace! Delighted the speeds worked well for you. Enjoy your journeys! — Grace, eSIM TopUp Support
Louis N.
New Zealand · Jun 2025
Saved me a fortune on my holiday. Setup instructions in the app were clear and simple. A must-have for international travel.
David
GotoeSIM Support
· 1 year ago Thanks for sharing, Louis! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. – David, 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?