Japan eSIM — reviews & details
Japan 5GB 30Days · 5 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 5G Rakuten Mobile 5G KDDI/au 5G SoftBank 5G
Traveller reviews
Omar C.
Thailand · Jun 2026
Super easy to set up before I flew out. Topping up was straightforward when I needed more.
Diego
eSIM TopUp Support
· 1 month ago Thank you so much, Omar! Love that you were online the moment you landed in Japan. — Diego
Wei R.
Germany · Jun 2026
Connected the moment I landed. Coverage was strong even outside the city.
Grace
eSIM TopUp Support
· 1 month ago Thanks for sharing, Wei! Thrilled it made staying connected effortless. Enjoy your journeys! — Grace, eSIM TopUp Support
Sri P.
South Korea · Jun 2026
Installed in minutes by scanning the QR code in Japan. The QR code arrived instantly by email. Great experience overall.
Sara
eSIM TopUp Support
· 1 month ago Thank you for the kind words, Sri! Love that you were online the moment you landed in Japan. — Sara, eSIM TopUp Support
Aisha S.
Netherlands · Jun 2026
Saved me a fortune on my holiday in Japan. Topping up was straightforward when I needed more. Would definitely buy again.
Anna
eSIM TopUp Support
· 1 month ago Really appreciate this, Aisha! Thrilled it made staying connected effortless. – Anna 💜
Linh H.
Switzerland · Jun 2026
Great value compared to roaming charges. Streaming and video calls worked without buffering.
Sophie
eSIM TopUp Support
· 1 month ago So glad to hear this, Linh! So happy the Japan eSIM kept you connected. Come back anytime! — Sophie
Carlos K.
Australia · Jun 2026
Connected the moment I landed. Speeds were solid for maps, messaging and browsing.
Ingrid
eSIM TopUp Support
· 1 month ago Thank you so much, Carlos! Thrilled it made staying connected effortless. We're here whenever you travel again. – Ingrid 💜
Kenji K.
Canada · Jun 2026
Good coverage in the city, a bit patchy in remote areas. Coverage was strong even outside the city.
Grace
eSIM TopUp Support
· 2 months ago Thanks for the honest feedback, Kenji. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. – Grace, eSIM TopUp Support
Noah K.
Poland · Jun 2026
Saved me a fortune on my holiday. The QR code arrived instantly by email.
Tom
eSIM TopUp Support
· 2 months ago Thank you for the kind words, Noah! Great to know the setup was quick and easy. Come back anytime! – Tom 💜
Mateo G.
Philippines · Jun 2026
Exactly what I needed for travelling. Speeds were solid for maps, messaging and browsing. Made staying connected effortless.
Anna
eSIM TopUp Support
· 2 months ago Really appreciate this, Mateo! Thrilled it made staying connected effortless. Enjoy your journeys! — Anna, eSIM TopUp Support
Noah W.
Poland · Jun 2026
Good coverage in the city, a bit patchy in remote areas.
Mark
eSIM TopUp Support
· 2 months ago So sorry to hear this, Noah. This isn't the standard we aim for. Reach our team at esimtopup.io/support so we can help right away. — Mark
Sven B.
Italy · Jun 2026
Connected the moment I landed. Customer support answered my question quickly.
Priya
eSIM TopUp Support
· 2 months ago So glad to hear this, Sven! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. — Priya
Giulia C.
South Korea · Jun 2026
Did the job without any drama in Japan. Data lasted the whole trip with room to spare. A must-have for international travel.
Sophie
eSIM TopUp Support
· 2 months ago Cheers, Giulia! So pleased it saved you from roaming bills. Come back anytime! – Sophie 💜
Linh D.
Australia · Jun 2026
Honestly better than buying a local SIM at the airport. The QR code arrived instantly by email. Five stars from me.
Diego
eSIM TopUp Support
· 2 months ago Thanks a lot, Linh! So happy the Japan eSIM kept you connected. – Diego 💜
Lucia T.
Singapore · Jun 2026
Connected the moment I landed in Japan. Setup instructions in the app were clear and simple. Exactly as described — no surprises.
Diego
eSIM TopUp Support
· 2 months ago Really appreciate this, Lucia! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! – Diego 💜
Min-jun D.
Netherlands · May 2026
Exactly what I needed for travelling. Signal held up well on trains and in rural areas. Highly recommend for any traveller.
Ingrid
eSIM TopUp Support
· 2 months ago Thanks for sharing, Min-jun! Great to know the setup was quick and easy. Enjoy your journeys! – Ingrid, eSIM TopUp Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 5GB 30Days plan costs $4.05 for 5 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
Andre K. · 1 month ago
Can I top up the same eSIM instead of buying a new one?
Sophia K. · 1 month ago
Does this work on an iPhone 13?
Emma T. · 2 months ago
Do I need to install it before I travel or after I arrive?
Marco B. · 2 months ago
Can I use this for hotspot/tethering?
Nguyen K. · 5 months ago
Thanks, installed with no problems on my Samsung.
Grace H. · 5 months ago
Does the validity start on purchase or on first use?
Ethan B. · 6 months ago
Great guide, the setup steps were really helpful.
Grace C. · 7 months ago
Can I use it in nearby countries too?
Camila P. · 8 months ago
Is roaming charged extra or is it all included?
Giulia M. · 9 months ago
Which networks does this connect to?
Fatima T. · 9 months ago
Will this keep my WhatsApp active with my home number?
Haruto H. · 1 year ago
How do I check how much data I have left?