Japan & South Korea eSIM — reviews & details
Japan & South Korea 10GB/Day · 10 GB/day · 1 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG Uplus 5G
Traveller reviews
Mei T.
Portugal · Sep 2025
No more hunting for a SIM card kiosk on arrival. The QR code arrived instantly by email. Zero regrets.
Laura
GotoeSIM Support
· 11 months ago Thanks for sharing, Mei! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. – Laura 💜
Pablo C.
United States · Sep 2025
No more hunting for a SIM card kiosk on arrival in Japan & South Korea. I kept my normal number for calls while using this for data. Highly recommend for any traveller.
Priya
GotoeSIM Support
· 11 months ago So glad to hear this, Pablo! Wonderful to hear it worked smoothly in Japan & South Korea. Come back anytime! — Priya
Giulia T.
Italy · Aug 2025
Exactly what I needed for travelling. Data lasted the whole trip with room to spare. Telling my friends about this.
David
GotoeSIM Support
· 11 months ago Thanks a lot, Giulia! Delighted the speeds worked well for you. – David, eSIM TopUp Support
Sophia W.
Brazil · Aug 2025
Great value compared to roaming charges. Ran hotspot to my laptop with no issues. Great experience overall.
Laura
GotoeSIM Support
· 11 months ago Cheers, Sophia! Wonderful to hear it worked smoothly in Japan & South Korea. — Laura, eSIM TopUp Support
Mohammed R.
Vietnam · Aug 2025
Installed in minutes by scanning the QR code. Activation was automatic when I arrived in Japan & South Korea. A must-have for international travel.
Ingrid
GotoeSIM Support
· 11 months ago Thank you so much, Mohammed! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. — Ingrid, eSIM TopUp Support
Nadia F.
Philippines · Aug 2025
Installed in minutes by scanning the QR code. Data lasted the whole trip with room to spare. Made staying connected effortless.
Sophie
GotoeSIM Support
· 11 months ago Thanks for sharing, Nadia! Wonderful to hear it worked smoothly in Japan & South Korea. Come back anytime! — Sophie
Ethan G.
South Korea · Aug 2025
Exactly what I needed for travelling. Streaming and video calls worked without buffering. Zero regrets.
James
GotoeSIM Support
· 11 months ago Thank you so much, Ethan! Love that you were online the moment you landed in Japan & South Korea. Safe travels, and see you on your next trip! — James
Kenji N.
Australia · Aug 2025
Exactly what I needed for travelling. Topping up was straightforward when I needed more. Made staying connected effortless.
Tom
GotoeSIM Support
· 11 months ago So glad to hear this, Kenji! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. – Tom, eSIM TopUp Support
Wei S.
Poland · Aug 2025
Great value compared to roaming charges. Topping up was straightforward when I needed more. Zero regrets.
Mark
GotoeSIM Support
· 11 months ago Cheers, Wei! Thrilled it made staying connected effortless. — Mark
Haruto M.
Australia · Aug 2025
Super easy to set up before I flew out. Ran hotspot to my laptop with no issues.
Sara
GotoeSIM Support
· 11 months ago Cheers, Haruto! Wonderful to hear it worked smoothly in Japan & South Korea. — Sara, eSIM TopUp Support
Zoe L.
India · Aug 2025
Great value compared to roaming charges in Japan & South Korea. Topping up was straightforward when I needed more. Telling my friends about this.
Anna
GotoeSIM Support
· 11 months ago Thanks for sharing, Zoe! Love that you were online the moment you landed in Japan & South Korea. — Anna, eSIM TopUp Support
Priya W.
Canada · Aug 2025
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing.
James
GotoeSIM Support
· 11 months ago Thank you so much, Priya! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! — James, eSIM TopUp Support
Isabella R.
Vietnam · Aug 2025
Decent speeds, though slower than I expected in a few spots. The QR code arrived instantly by email.
Anna
GotoeSIM Support
· 11 months ago Appreciate you sharing this, Isabella. 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. — Anna
Olivia L.
Switzerland · Aug 2025
Install took me two tries but was fine after that.
Priya
GotoeSIM Support
· 11 months ago Appreciate you sharing this, Olivia. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. – Priya, eSIM TopUp Support
Liam N.
Thailand · Aug 2025
Exactly what I needed for travelling. Signal held up well on trains and in rural areas. A must-have for international travel.
Tom
GotoeSIM Support
· 11 months ago Thanks a lot, Liam! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Tom, eSIM TopUp Support
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 10GB/Day plan costs $14.18 for 10 GB/day over 1 days, paid once with no hidden fees.
How do I activate my Japan & South Korea 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 & South Korea.
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 & South Korea.
Comments & questions
Sven N. · 4 weeks ago
Which networks does this connect to?
Ryan W. · 2 months ago
Does the validity start on purchase or on first use?
Fatima G. · 3 months ago
Can I use this for hotspot/tethering?
James C. · 5 months ago
Do I need to install it before I travel or after I arrive?
Ji-woo H. · 6 months ago
Is 5G supported or just 4G?
Sven S. · 7 months ago
How long does the QR code take to arrive after payment?
Zoe G. · 7 months ago
Is roaming charged extra or is it all included?
Lea F. · 7 months ago
How do I check how much data I have left?
Omar P. · 10 months ago
Can I use it in nearby countries too?
Thomas M. · 10 months ago
Does this work on an iPhone 13?
Pablo B. · 1 year ago
Great guide, the setup steps were really helpful.
Mohammed N. · 1 year ago
Thanks, installed with no problems on my Samsung.