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
Chloe D.
India · Aug 2026
Installed in minutes by scanning the QR code in Japan. Signal held up well on trains and in rural areas. Made staying connected effortless.
James
eSIM TopUp Support
· 2 days ago Thanks for sharing, Chloe! So pleased it saved you from roaming bills. Enjoy your journeys! – James, eSIM TopUp Support
Wei K.
United Kingdom · Aug 2026
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more. Made staying connected effortless.
Grace
eSIM TopUp Support
· 4 days ago Thanks for sharing, Wei! So pleased it saved you from roaming bills. Enjoy your journeys! — Grace, eSIM TopUp Support
Somchai N.
Australia · Aug 2026
Install took me two tries but was fine after that.
James
eSIM TopUp Support
· 5 days ago Appreciate you sharing this, Somchai. 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. — James, eSIM TopUp Support
Hugo M.
South Korea · Aug 2026
Exactly what I needed for travelling. I kept my normal number for calls while using this for data.
Yuki
eSIM TopUp Support
· 5 days ago Really appreciate this, Hugo! Delighted the speeds worked well for you. We're here whenever you travel again. — Yuki, eSIM TopUp Support
Andre N.
UAE · Aug 2026
No more hunting for a SIM card kiosk on arrival. Signal held up well on trains and in rural areas.
Emma
eSIM TopUp Support
· 6 days ago Thank you so much, Andre! So happy the Japan eSIM kept you connected. — Emma, eSIM TopUp Support
Aisha W.
United Kingdom · Aug 2026
Solid overall, just wish there was a bit more data for the price. Ran hotspot to my laptop with no issues.
Yuki
eSIM TopUp Support
· 1 week ago Thanks for the honest feedback, Aisha. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at esimtopup.io/support. – Yuki, eSIM TopUp Support
Arjun T.
Japan · Aug 2026
Super easy to set up before I flew out. Streaming and video calls worked without buffering.
Sara
eSIM TopUp Support
· 1 week ago Thanks for sharing, Arjun! So pleased it saved you from roaming bills. Come back anytime! — Sara, eSIM TopUp Support
Priya T.
Indonesia · Aug 2026
Great value compared to roaming charges. Signal held up well on trains and in rural areas. Five stars from me.
Yuki
eSIM TopUp Support
· 1 week ago Thanks a lot, Priya! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Yuki
Sofia M.
Japan · Aug 2026
Super easy to set up before I flew out. Speeds were solid for maps, messaging and browsing. Will use eSIM TopUp for my next trip for sure.
Emma
eSIM TopUp Support
· 1 week ago Really appreciate this, Sofia! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! — Emma
Giulia R.
Egypt · Jul 2026
Saved me a fortune on my holiday. Customer support answered my question quickly. Five stars from me.
Ken
eSIM TopUp Support
· 1 week ago Thank you so much, Giulia! Delighted the speeds worked well for you. Wishing you many more connected adventures! – Ken, eSIM TopUp Support
Noah W.
France · Jul 2026
First time using an eSIM and it was painless. Activation was automatic when I arrived. Made staying connected effortless.
James
eSIM TopUp Support
· 2 weeks ago So glad to hear this, Noah! So pleased it saved you from roaming bills. Come back anytime! — James, eSIM TopUp Support
Nadia T.
United Kingdom · Jul 2026
Super easy to set up before I flew out. Topping up was straightforward when I needed more.
Grace
eSIM TopUp Support
· 2 weeks ago Thank you for the kind words, Nadia! Delighted the speeds worked well for you. We're here whenever you travel again. — Grace
Mateo C.
Singapore · Jul 2026
Connected the moment I landed. Activation was automatic when I arrived.
Sara
eSIM TopUp Support
· 2 weeks ago Thank you for the kind words, Mateo! Thrilled it made staying connected effortless. Enjoy your journeys! — Sara, eSIM TopUp Support
Lea F.
Brazil · Jul 2026
Saved me a fortune on my holiday. The QR code arrived instantly by email. Exactly as described — no surprises.
Laura
eSIM TopUp Support
· 2 weeks ago Thanks a lot, Lea! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! – Laura 💜
Camila W.
Italy · Jul 2026
Honestly better than buying a local SIM at the airport in Japan. Streaming and video calls worked without buffering. Highly recommend for any traveller.
Laura
eSIM TopUp Support
· 2 weeks ago Thank you for the kind words, Camila! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Laura, 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. · 3 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. · 10 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?