Japan eSIM — reviews & details
Japan 20GB 30Days · 20 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 5G Rakuten Mobile 5G KDDI/au 5G SoftBank 5G
Traveller reviews
Ananya D.
South Korea · May 2025
Honestly better than buying a local SIM at the airport. Data lasted the whole trip with room to spare. Will use eSIM TopUp for my next trip for sure.
Priya
GotoeSIM Support
· 1 year ago Thanks for sharing, Ananya! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Priya, eSIM TopUp Support
Emma L.
Vietnam · May 2025
Saved me a fortune on my holiday. Customer support answered my question quickly. A must-have for international travel.
Diego
GotoeSIM Support
· 1 year ago Really appreciate this, Emma! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Diego 💜
Hugo R.
New Zealand · May 2025
First time using an eSIM and it was painless. Activation was automatic when I arrived. Highly recommend for any traveller.
Yuki
GotoeSIM Support
· 1 year ago Thank you for the kind words, Hugo! Love that you were online the moment you landed in Japan. — Yuki, eSIM TopUp Support
Arjun V.
India · May 2025
Great value compared to roaming charges. Coverage was strong even outside the city. Will use eSIM TopUp for my next trip for sure.
Anna
GotoeSIM Support
· 1 year ago Thanks for sharing, Arjun! Delighted the speeds worked well for you. Come back anytime! – Anna 💜
Haruto P.
Canada · May 2025
Bought it the night before my flight — smooth process. Ran hotspot to my laptop with no issues. Five stars from me.
Emma
GotoeSIM Support
· 1 year ago So glad to hear this, Haruto! So happy the Japan eSIM kept you connected. We're here whenever you travel again. — Emma
Daniel F.
Philippines · May 2025
Connected the moment I landed. Signal held up well on trains and in rural areas.
Omar
GotoeSIM Support
· 1 year ago Cheers, Daniel! So happy the Japan eSIM kept you connected. Come back anytime! – Omar, eSIM TopUp Support
Wei G.
Thailand · May 2025
Used this on my trip and it worked perfectly in Japan. I kept my normal number for calls while using this for data.
Laura
GotoeSIM Support
· 1 year ago Really appreciate this, Wei! Great to know the setup was quick and easy. We're here whenever you travel again. — Laura
Somchai G.
Indonesia · May 2025
Bought it the night before my flight — smooth process. Activation was automatic when I arrived.
Ingrid
GotoeSIM Support
· 1 year ago Cheers, Somchai! Wonderful to hear it worked smoothly in Japan. Come back anytime! — Ingrid
Sofia M.
United States · May 2025
Did the job without any drama. Topping up was straightforward when I needed more. Will use eSIM TopUp for my next trip for sure.
Laura
GotoeSIM Support
· 1 year ago Thank you for the kind words, Sofia! Wonderful to hear it worked smoothly in Japan. — Laura
Andre M.
Sweden · May 2025
Did the job without any drama. Coverage was strong even outside the city. Exactly as described — no surprises.
Tom
GotoeSIM Support
· 1 year ago Thanks a lot, Andre! Delighted the speeds worked well for you. Enjoy your journeys! — Tom
Emma R.
India · May 2025
Connected the moment I landed in Japan. Ran hotspot to my laptop with no issues. Exactly as described — no surprises.
Diego
GotoeSIM Support
· 1 year ago So glad to hear this, Emma! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. — Diego
Omar M.
United States · May 2025
Super easy to set up before I flew out. Signal held up well on trains and in rural areas.
Diego
GotoeSIM Support
· 1 year ago Really appreciate this, Omar! Wonderful to hear it worked smoothly in Japan. — Diego
Ava B.
Germany · May 2025
Bought it the night before my flight — smooth process in Japan. Customer support answered my question quickly.
Ken
GotoeSIM Support
· 1 year ago Thanks a lot, Ava! Thrilled it made staying connected effortless. We're here whenever you travel again. — Ken, eSIM TopUp Support
Ethan T.
Portugal · May 2025
Installed in minutes by scanning the QR code. Speeds were solid for maps, messaging and browsing.
Yuki
GotoeSIM Support
· 1 year ago So glad to hear this, Ethan! Wonderful to hear it worked smoothly in Japan. Come back anytime! – Yuki, eSIM TopUp Support
Noah K.
Singapore · May 2025
Good coverage in the city, a bit patchy in remote areas.
Sara
GotoeSIM Support
· 1 year ago Thank you for taking the time, Noah. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at esimtopup.io/support. — Sara, eSIM TopUp Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 20GB 30Days 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
Arjun V. · 5 days ago
Is 5G supported or just 4G?
Beatriz R. · 3 weeks ago
Great guide, the setup steps were really helpful.
Noah F. · 2 months ago
Will this keep my WhatsApp active with my home number?
Lucia B. · 3 months ago
Which networks does this connect to?
Katya K. · 3 months ago
Is roaming charged extra or is it all included?
Ethan L. · 5 months ago
Do I need to install it before I travel or after I arrive?
Ava G. · 5 months ago
Does this work on an iPhone 13?
Hugo B. · 6 months ago
Thanks, installed with no problems on my Samsung.
Wei L. · 9 months ago
Can I use this for hotspot/tethering?
Emma V. · 11 months ago
Does the validity start on purchase or on first use?
Liam P. · 1 year ago
Can I use it in nearby countries too?
Louis H. · 1 year ago
Can I top up the same eSIM instead of buying a new one?