Japan eSIM — reviews & details
Japan 20GB 30Days (IIJ) · 20 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Fatima C.
France · Mar 2025
Great value compared to roaming charges in Japan. Ran hotspot to my laptop with no issues.
Yuki
GotoeSIM Support
· 1 year ago Thank you so much, Fatima! So pleased it saved you from roaming bills. We're here whenever you travel again. – Yuki 💜
Pablo M.
Egypt · Mar 2025
Did the job without any drama. Topping up was straightforward when I needed more. A must-have for international travel.
Yuki
GotoeSIM Support
· 1 year ago So glad to hear this, Pablo! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Yuki 💜
Liam R.
United Kingdom · Mar 2025
Did the job without any drama. Activation was automatic when I arrived in Japan.
Tom
GotoeSIM Support
· 1 year ago Cheers, Liam! Delighted the speeds worked well for you. We're here whenever you travel again. – Tom 💜
Viktor L.
Turkey · Mar 2025
Great value compared to roaming charges. Data lasted the whole trip with room to spare.
Tom
GotoeSIM Support
· 1 year ago Thank you so much, Viktor! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Tom
Isabella C.
Singapore · Mar 2025
Connected the moment I landed. Data lasted the whole trip with room to spare. Zero regrets.
Ingrid
GotoeSIM Support
· 1 year ago Thanks for sharing, Isabella! So pleased it saved you from roaming bills. Enjoy your journeys! — Ingrid
Haruto V.
Australia · Mar 2025
Bought it the night before my flight — smooth process in Japan. Signal held up well on trains and in rural areas. Highly recommend for any traveller.
Anna
GotoeSIM Support
· 1 year ago Cheers, Haruto! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — Anna, eSIM TopUp Support
Ethan V.
Germany · Mar 2025
Exactly what I needed for travelling. Setup instructions in the app were clear and simple. Five stars from me.
Sophie
GotoeSIM Support
· 1 year ago Really appreciate this, Ethan! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! — Sophie
Ethan C.
Indonesia · Mar 2025
First time using an eSIM and it was painless in Japan. Setup instructions in the app were clear and simple. Great experience overall.
Tom
GotoeSIM Support
· 1 year ago Really appreciate this, Ethan! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Tom
Pablo W.
Turkey · Feb 2025
First time using an eSIM and it was painless. Setup instructions in the app were clear and simple. A must-have for international travel.
Ingrid
GotoeSIM Support
· 1 year ago Thanks for sharing, Pablo! So happy the Japan eSIM kept you connected. Enjoy your journeys! – Ingrid, eSIM TopUp Support
Arjun R.
Malaysia · Feb 2025
Exactly what I needed for travelling in Japan. Speeds were solid for maps, messaging and browsing. Would definitely buy again.
Ken
GotoeSIM Support
· 1 year ago So glad to hear this, Arjun! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – Ken 💜
Isabella C.
Mexico · Feb 2025
Exactly what I needed for travelling. Activation was automatic when I arrived.
Priya
GotoeSIM Support
· 1 year ago Thanks a lot, Isabella! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! — Priya, eSIM TopUp Support
Aisha H.
Switzerland · Feb 2025
Did the job without any drama. Streaming and video calls worked without buffering.
Emma
GotoeSIM Support
· 1 year ago So glad to hear this, Aisha! Love that you were online the moment you landed in Japan. – Emma 💜
Fatima S.
UAE · Feb 2025
Great value compared to roaming charges. Topping up was straightforward when I needed more. Highly recommend for any traveller.
Sophie
GotoeSIM Support
· 1 year ago Really appreciate this, Fatima! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! – Sophie 💜
Carlos L.
Italy · Feb 2025
No more hunting for a SIM card kiosk on arrival in Japan. Data lasted the whole trip with room to spare. Zero regrets.
Ingrid
GotoeSIM Support
· 1 year ago Thank you so much, Carlos! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! – Ingrid 💜
Chloe K.
Thailand · Feb 2025
Super easy to set up before I flew out. Speeds were solid for maps, messaging and browsing. Great experience overall.
James
GotoeSIM Support
· 1 year ago Thank you for the kind words, Chloe! Wonderful to hear it worked smoothly in Japan. – James 💜
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?