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
Wei R.
Portugal · Jul 2025
Solid overall, just wish there was a bit more data for the price. I kept my normal number for calls while using this for data.
Omar
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Wei. 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. – Omar, eSIM TopUp Support
Max C.
Vietnam · Jul 2025
Connected the moment I landed. Customer support answered my question quickly. Zero regrets.
Omar
GotoeSIM Support
· 1 year ago Thank you for the kind words, Max! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! – Omar 💜
James F.
New Zealand · Jul 2025
Did the job without any drama. Signal held up well on trains and in rural areas. Zero regrets.
Priya
GotoeSIM Support
· 1 year ago Cheers, James! Thrilled it made staying connected effortless. Come back anytime! — Priya, eSIM TopUp Support
Ingrid W.
Indonesia · Jul 2025
Solid overall, just wish there was a bit more data for the price. I kept my normal number for calls while using this for data.
Emma
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Ingrid. We're constantly optimising speeds and coverage across Japan & South Korea. Reach us anytime at esimtopup.io/support if we can help. – Emma 💜
Somchai L.
UAE · Jul 2025
Did the job without any drama. Activation was automatic when I arrived. Will use eSIM TopUp for my next trip for sure.
Ken
GotoeSIM Support
· 1 year ago Thank you so much, Somchai! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. — Ken
Mei H.
Mexico · Jul 2025
Super easy to set up before I flew out. Activation was automatic when I arrived. Exactly as described — no surprises.
Emma
GotoeSIM Support
· 1 year ago Cheers, Mei! So pleased it saved you from roaming bills. – Emma 💜
Ravi F.
Saudi Arabia · Jul 2025
Solid overall, just wish there was a bit more data for the price.
Tom
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Ravi. 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. – Tom, eSIM TopUp Support
Isabella W.
Singapore · Jul 2025
Exactly what I needed for travelling. Topping up was straightforward when I needed more. Made staying connected effortless.
Omar
GotoeSIM Support
· 1 year ago Thank you so much, Isabella! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Omar 💜
Hana F.
Vietnam · Jul 2025
Honestly better than buying a local SIM at the airport in Japan & South Korea. The QR code arrived instantly by email. Five stars from me.
Sara
GotoeSIM Support
· 1 year ago Really appreciate this, Hana! Delighted the speeds worked well for you. – Sara 💜
Lucas H.
India · Jul 2025
Super easy to set up before I flew out. Speeds were solid for maps, messaging and browsing. Telling my friends about this.
Mark
GotoeSIM Support
· 1 year ago Cheers, Lucas! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! — Mark, eSIM TopUp Support
James H.
New Zealand · Jul 2025
No more hunting for a SIM card kiosk on arrival. Coverage was strong even outside the city.
David
GotoeSIM Support
· 1 year ago Really appreciate this, James! Wonderful to hear it worked smoothly in Japan & South Korea. — David
Mei P.
Vietnam · Jul 2025
Great value compared to roaming charges. Coverage was strong even outside the city. Great experience overall.
Priya
GotoeSIM Support
· 1 year ago So glad to hear this, Mei! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! — Priya, eSIM TopUp Support
Fatima P.
Poland · Jul 2025
Connected the moment I landed in Japan & South Korea. Data lasted the whole trip with room to spare. A must-have for international travel.
Omar
GotoeSIM Support
· 1 year ago Thanks a lot, Fatima! Love that you were online the moment you landed in Japan & South Korea. Safe travels, and see you on your next trip! — Omar, eSIM TopUp Support
Olivia T.
Saudi Arabia · Jul 2025
Super easy to set up before I flew out. Ran hotspot to my laptop with no issues.
Anna
GotoeSIM Support
· 1 year ago Thank you for the kind words, Olivia! Wonderful to hear it worked smoothly in Japan & South Korea. – Anna, eSIM TopUp Support
Giulia K.
Malaysia · Jul 2025
Exactly what I needed for travelling. Customer support answered my question quickly. Great experience overall.
Omar
GotoeSIM Support
· 1 year ago So glad to hear this, Giulia! So pleased it saved you from roaming bills. — Omar
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.