Japan eSIM — reviews & details
Japan 100MB 7Days · 100 MB · 7 days
620 reviews
Coverage & networks
- Japan NTT docomo 5G Rakuten Mobile 5G KDDI/au 5G SoftBank 5G
Traveller reviews
Aisha D.
Thailand · May 2026
Exactly what I needed for travelling. Topping up was straightforward when I needed more. Made staying connected effortless.
James
eSIM TopUp Support
· 2 months ago Thank you so much, Aisha! Thrilled it made staying connected effortless. — James, eSIM TopUp Support
Aisha R.
United Kingdom · May 2026
Used this on my trip and it worked perfectly. Speeds were solid for maps, messaging and browsing. Made staying connected effortless.
Diego
eSIM TopUp Support
· 2 months ago Cheers, Aisha! So happy the Japan eSIM kept you connected. Enjoy your journeys! — Diego, eSIM TopUp Support
Ravi V.
UAE · May 2026
Decent speeds, though slower than I expected in a few spots. I kept my normal number for calls while using this for data.
Mark
eSIM TopUp Support
· 2 months ago Appreciate you sharing this, Ravi. Good to hear it did the job, and we're working to make it even better. Reach us anytime at esimtopup.io/support if we can help. — Mark
Giulia T.
Netherlands · May 2026
Solid overall, just wish there was a bit more data for the price. Data lasted the whole trip with room to spare.
Sara
eSIM TopUp Support
· 2 months ago Thank you for taking the time, Giulia. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. — Sara, eSIM TopUp Support
Viktor V.
South Korea · May 2026
Saved me a fortune on my holiday. Speeds were solid for maps, messaging and browsing.
Emma
eSIM TopUp Support
· 2 months ago Really appreciate this, Viktor! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! — Emma, eSIM TopUp Support
Priya R.
Thailand · May 2026
Great value compared to roaming charges. Topping up was straightforward when I needed more.
Grace
eSIM TopUp Support
· 3 months ago Thanks a lot, Priya! Delighted the speeds worked well for you. Come back anytime! — Grace
Marco M.
Mexico · May 2026
Exactly what I needed for travelling in Japan. I kept my normal number for calls while using this for data. Great experience overall.
James
eSIM TopUp Support
· 3 months ago Thank you for the kind words, Marco! Great to know the setup was quick and easy. Enjoy your journeys! — James
Arjun C.
Singapore · May 2026
Great value compared to roaming charges. Coverage was strong even outside the city. Exactly as described — no surprises.
Yuki
eSIM TopUp Support
· 3 months ago Thanks a lot, Arjun! Great to know the setup was quick and easy. We're here whenever you travel again. – Yuki, eSIM TopUp Support
Lucia L.
France · May 2026
Did the job without any drama. I kept my normal number for calls while using this for data. Will use eSIM TopUp for my next trip for sure.
Priya
eSIM TopUp Support
· 3 months ago Thank you for the kind words, Lucia! Thrilled it made staying connected effortless. We're here whenever you travel again. – Priya 💜
Katya N.
Australia · May 2026
Saved me a fortune on my holiday. Speeds were solid for maps, messaging and browsing. Made staying connected effortless.
Mark
eSIM TopUp Support
· 3 months ago Thanks a lot, Katya! Thrilled it made staying connected effortless. — Mark
Arjun R.
Poland · May 2026
Great value compared to roaming charges. Setup instructions in the app were clear and simple. Five stars from me.
Ingrid
eSIM TopUp Support
· 3 months ago Thanks for sharing, Arjun! Love that you were online the moment you landed in Japan. Come back anytime! – Ingrid, eSIM TopUp Support
Beatriz M.
Portugal · May 2026
Decent speeds, though slower than I expected in a few spots. Ran hotspot to my laptop with no issues.
Yuki
eSIM TopUp Support
· 3 months ago Appreciate you sharing this, Beatriz. Glad it mostly worked for you in Japan — we're always improving our coverage. Reach us anytime at esimtopup.io/support if we can help. – Yuki, eSIM TopUp Support
Ji-woo G.
France · May 2026
Bought it the night before my flight — smooth process. Signal held up well on trains and in rural areas. Will use eSIM TopUp for my next trip for sure.
Priya
eSIM TopUp Support
· 3 months ago Thanks for sharing, Ji-woo! So pleased it saved you from roaming bills. We're here whenever you travel again. — Priya
Ethan D.
Canada · May 2026
Honestly better than buying a local SIM at the airport. The QR code arrived instantly by email. Great experience overall.
James
eSIM TopUp Support
· 3 months ago Cheers, Ethan! Delighted the speeds worked well for you. — James
Yuki T.
India · May 2026
Connected the moment I landed. Coverage was strong even outside the city. Highly recommend for any traveller.
Tom
eSIM TopUp Support
· 3 months ago Really appreciate this, Yuki! Thrilled it made staying connected effortless. — Tom
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 100MB 7Days plan costs $0.45 for 100 MB over 7 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
Beatriz G. · 4 weeks ago
Which networks does this connect to?
Daniel S. · 1 month ago
Does this work on an iPhone 13?
Isabella D. · 3 months ago
How long does the QR code take to arrive after payment?
Ravi V. · 4 months ago
Is 5G supported or just 4G?
Thomas D. · 5 months ago
Can I top up the same eSIM instead of buying a new one?
Katya S. · 6 months ago
Thanks, installed with no problems on my Samsung.
Zoe D. · 7 months ago
Does the validity start on purchase or on first use?
Thomas B. · 8 months ago
Will this keep my WhatsApp active with my home number?
Ingrid M. · 8 months ago
Can I use it in nearby countries too?
Chloe K. · 9 months ago
Can I use this for hotspot/tethering?
Fatima P. · 9 months ago
Do I need to install it before I travel or after I arrive?
Ravi N. · 1 year ago
Is roaming charged extra or is it all included?