Japan eSIM — reviews & details
Japan 3GB 30Days · 3 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 5G Rakuten Mobile 5G KDDI/au 5G SoftBank 5G
Traveller reviews
Min-jun W.
Portugal · Jul 2026
Worked fine but took a little while to connect at first.
David
eSIM TopUp Support
· 2 weeks ago So sorry to hear this, Min-jun. We'd love the chance to make this right. Please contact us at esimtopup.io/support and we'll sort it out. — David, eSIM TopUp Support
Nadia S.
Portugal · Jul 2026
Bought it the night before my flight — smooth process in Japan. The QR code arrived instantly by email. Would definitely buy again.
Tom
eSIM TopUp Support
· 2 weeks ago Thank you for the kind words, Nadia! Delighted the speeds worked well for you. — Tom
Liam M.
United States · Jul 2026
Connected the moment I landed. The QR code arrived instantly by email. Great experience overall.
Anna
eSIM TopUp Support
· 3 weeks ago Thank you so much, Liam! So pleased it saved you from roaming bills. Come back anytime! — Anna, eSIM TopUp Support
Sarah M.
Portugal · Jul 2026
Exactly what I needed for travelling. Ran hotspot to my laptop with no issues. Will use eSIM TopUp for my next trip for sure.
Sophie
eSIM TopUp Support
· 3 weeks ago Thank you for the kind words, Sarah! Wonderful to hear it worked smoothly in Japan. — Sophie, eSIM TopUp Support
Arjun L.
Philippines · Jul 2026
Decent speeds, though slower than I expected in a few spots.
Tom
eSIM TopUp Support
· 3 weeks ago Appreciate you sharing this, Arjun. 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. – Tom 💜
Haruto B.
New Zealand · Jul 2026
No more hunting for a SIM card kiosk on arrival. The QR code arrived instantly by email. Five stars from me.
Omar
eSIM TopUp Support
· 3 weeks ago So glad to hear this, Haruto! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Omar 💜
James R.
Egypt · Jul 2026
Used this on my trip and it worked perfectly. The QR code arrived instantly by email. Will use eSIM TopUp for my next trip for sure.
Ken
eSIM TopUp Support
· 4 weeks ago Really appreciate this, James! So happy the Japan eSIM kept you connected. Enjoy your journeys! – Ken, eSIM TopUp Support
Carlos C.
Poland · Jul 2026
Used this on my trip and it worked perfectly. Signal held up well on trains and in rural areas. Made staying connected effortless.
Laura
eSIM TopUp Support
· 1 month ago Really appreciate this, Carlos! Delighted the speeds worked well for you. – Laura 💜
Fatima G.
Portugal · Jul 2026
Great value compared to roaming charges in Japan. Customer support answered my question quickly.
Mark
eSIM TopUp Support
· 1 month ago Thank you so much, Fatima! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! – Mark 💜
Andre W.
Brazil · Jul 2026
Super easy to set up before I flew out. Setup instructions in the app were clear and simple. Would definitely buy again.
David
eSIM TopUp Support
· 1 month ago So glad to hear this, Andre! Love that you were online the moment you landed in Japan. We're here whenever you travel again. – David 💜
Min-jun B.
Philippines · Jul 2026
First time using an eSIM and it was painless. Activation was automatic when I arrived. A must-have for international travel.
Mark
eSIM TopUp Support
· 1 month ago Thanks for sharing, Min-jun! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! — Mark
Emma H.
Canada · Jul 2026
No more hunting for a SIM card kiosk on arrival. Setup instructions in the app were clear and simple. Telling my friends about this.
Tom
eSIM TopUp Support
· 1 month ago Thanks a lot, Emma! Delighted the speeds worked well for you. – Tom 💜
Giulia L.
India · Jul 2026
Decent speeds, though slower than I expected in a few spots. Setup instructions in the app were clear and simple.
Emma
eSIM TopUp Support
· 1 month ago Thank you for taking the time, Giulia. 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. – Emma 💜
Sven M.
Malaysia · Jul 2026
Super easy to set up before I flew out. Coverage was strong even outside the city. Telling my friends about this.
James
eSIM TopUp Support
· 1 month ago Thank you so much, Sven! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – James 💜
Ji-woo M.
Singapore · Jul 2026
Exactly what I needed for travelling. The QR code arrived instantly by email. Exactly as described — no surprises.
Diego
eSIM TopUp Support
· 1 month ago Thank you so much, Ji-woo! Great to know the setup was quick and easy. We're here whenever you travel again. — Diego
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 3GB 30Days plan costs $2.70 for 3 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
Pablo G. · 2 months ago
Is 5G supported or just 4G?
Pablo C. · 2 months ago
How do I check how much data I have left?
Grace G. · 2 months ago
Can I use this for hotspot/tethering?
Marco C. · 3 months ago
Can I use it in nearby countries too?
Lucas D. · 3 months ago
Great guide, the setup steps were really helpful.
Ingrid F. · 5 months ago
Is roaming charged extra or is it all included?
Pablo N. · 6 months ago
Does the validity start on purchase or on first use?
Olivia N. · 6 months ago
Does this work on an iPhone 13?
Linh T. · 8 months ago
Can I top up the same eSIM instead of buying a new one?
Viktor P. · 9 months ago
Thanks, installed with no problems on my Samsung.
Carlos L. · 9 months ago
Will this keep my WhatsApp active with my home number?
Sri N. · 1 year ago
Which networks does this connect to?