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
Fatima M.
Egypt · Mar 2026
No more hunting for a SIM card kiosk on arrival. Activation was automatic when I arrived in Japan. Great experience overall.
Sara
eSIM TopUp Support
· 5 months ago Thanks for sharing, Fatima! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Sara, eSIM TopUp Support
Mateo D.
Japan · Mar 2026
Decent speeds, though slower than I expected in a few spots. Ran hotspot to my laptop with no issues.
Laura
eSIM TopUp Support
· 5 months ago Apologies for the trouble, Mateo. That's not the experience we want for Japan. Please contact us at esimtopup.io/support and we'll sort it out. – Laura 💜
Daniel H.
Turkey · Mar 2026
Saved me a fortune on my holiday in Japan. The QR code arrived instantly by email. Made staying connected effortless.
David
eSIM TopUp Support
· 5 months ago Cheers, Daniel! Delighted the speeds worked well for you. Come back anytime! — David, eSIM TopUp Support
Linh L.
UAE · Mar 2026
Did the job without any drama. Data lasted the whole trip with room to spare. Will use eSIM TopUp for my next trip for sure.
Omar
eSIM TopUp Support
· 5 months ago Thanks a lot, Linh! So pleased it saved you from roaming bills. — Omar, eSIM TopUp Support
Ananya N.
Poland · Mar 2026
Exactly what I needed for travelling in Japan. I kept my normal number for calls while using this for data.
Grace
eSIM TopUp Support
· 5 months ago Really appreciate this, Ananya! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Grace
Ethan M.
Egypt · Mar 2026
First time using an eSIM and it was painless. Data lasted the whole trip with room to spare.
Tom
eSIM TopUp Support
· 5 months ago So glad to hear this, Ethan! Delighted the speeds worked well for you. We're here whenever you travel again. – Tom, eSIM TopUp Support
Linh W.
Italy · Feb 2026
Bought it the night before my flight — smooth process in Japan. Topping up was straightforward when I needed more.
Sophie
eSIM TopUp Support
· 5 months ago Thank you so much, Linh! So pleased it saved you from roaming bills. We're here whenever you travel again. – Sophie, eSIM TopUp Support
Daniel H.
Indonesia · Feb 2026
Installed in minutes by scanning the QR code in Japan. Setup instructions in the app were clear and simple. Highly recommend for any traveller.
Tom
eSIM TopUp Support
· 5 months ago Thank you for the kind words, Daniel! So pleased it saved you from roaming bills. Enjoy your journeys! — Tom, eSIM TopUp Support
Aisha T.
Thailand · Feb 2026
Connected the moment I landed. The QR code arrived instantly by email. Telling my friends about this.
Anna
eSIM TopUp Support
· 5 months ago Thanks a lot, Aisha! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! – Anna, eSIM TopUp Support
Diego P.
Japan · Feb 2026
Did the job without any drama. I kept my normal number for calls while using this for data. Great experience overall.
Grace
eSIM TopUp Support
· 5 months ago Thank you so much, Diego! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! — Grace, eSIM TopUp Support
Aisha M.
Ireland · Feb 2026
Exactly what I needed for travelling. Data lasted the whole trip with room to spare. Exactly as described — no surprises.
Yuki
eSIM TopUp Support
· 5 months ago Thank you for the kind words, Aisha! Delighted the speeds worked well for you. We're here whenever you travel again. — Yuki, eSIM TopUp Support
Sophia B.
Vietnam · Feb 2026
Exactly what I needed for travelling. I kept my normal number for calls while using this for data. Exactly as described — no surprises.
Sophie
eSIM TopUp Support
· 5 months ago Thank you so much, Sophia! So happy the Japan eSIM kept you connected. – Sophie 💜
Noah M.
Saudi Arabia · Feb 2026
Install took me two tries but was fine after that.
Emma
eSIM TopUp Support
· 5 months ago So sorry to hear this, Noah. We'd love the chance to make this right. Reach our team at esimtopup.io/support so we can help right away. — Emma, eSIM TopUp Support
Ethan N.
Poland · Feb 2026
Install took me two tries but was fine after that. Customer support answered my question quickly.
Omar
eSIM TopUp Support
· 5 months ago Thanks for the honest feedback, Ethan. 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. – Omar 💜
Katya W.
Saudi Arabia · Feb 2026
Great value compared to roaming charges. Speeds were solid for maps, messaging and browsing. Great experience overall.
Grace
eSIM TopUp Support
· 5 months ago Cheers, Katya! So happy the Japan eSIM kept you connected. We're here whenever you travel again. – Grace, 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?