Japan & South Korea eSIM — reviews & details
Japan & South Korea 10GB 30days · 10 GB · 30 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG Uplus 5G
Traveller reviews
Lea M.
Singapore · Apr 2025
Decent speeds, though slower than I expected in a few spots. Signal held up well on trains and in rural areas.
Mark
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Lea. 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. – Mark 💜
Lea M.
Mexico · Apr 2025
Good coverage in the city, a bit patchy in remote areas. Signal held up well on trains and in rural areas.
David
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Lea. We're constantly optimising speeds and coverage across Japan & South Korea. Reach us anytime at esimtopup.io/support if we can help. — David, eSIM TopUp Support
Sven F.
United Kingdom · Apr 2025
Honestly better than buying a local SIM at the airport. Activation was automatic when I arrived.
Emma
GotoeSIM Support
· 1 year ago Cheers, Sven! So happy the Japan & South Korea eSIM kept you connected. — Emma
Sarah T.
Japan · Apr 2025
Exactly what I needed for travelling. Streaming and video calls worked without buffering.
Sara
GotoeSIM Support
· 1 year ago Thank you for the kind words, Sarah! So happy the Japan & South Korea eSIM kept you connected. – Sara 💜
Max F.
Italy · Apr 2025
Good coverage in the city, a bit patchy in remote areas. Data lasted the whole trip with room to spare.
Tom
GotoeSIM Support
· 1 year ago Thank you for taking the time, Max. 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. — Tom, eSIM TopUp Support
Katya C.
Portugal · Apr 2025
Great value compared to roaming charges. Signal held up well on trains and in rural areas.
Laura
GotoeSIM Support
· 1 year ago Thank you for the kind words, Katya! Thrilled it made staying connected effortless. – Laura 💜
Priya C.
New Zealand · Apr 2025
Decent speeds, though slower than I expected in a few spots.
Priya
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Priya. 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
Anna F.
Canada · Apr 2025
Connected the moment I landed in Japan & South Korea. Coverage was strong even outside the city. Zero regrets.
Emma
GotoeSIM Support
· 1 year ago Thank you so much, Anna! So pleased it saved you from roaming bills. — Emma, eSIM TopUp Support
Mateo L.
India · Apr 2025
Installed in minutes by scanning the QR code. Coverage was strong even outside the city.
Laura
GotoeSIM Support
· 1 year ago Cheers, Mateo! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! — Laura, eSIM TopUp Support
Arjun M.
Sweden · Apr 2025
Saved me a fortune on my holiday. Streaming and video calls worked without buffering. Will use eSIM TopUp for my next trip for sure.
David
GotoeSIM Support
· 1 year ago Thank you for the kind words, Arjun! Great to know the setup was quick and easy. — David, eSIM TopUp Support
Sven S.
New Zealand · Apr 2025
Did the job without any drama. Data lasted the whole trip with room to spare. Exactly as described — no surprises.
Grace
GotoeSIM Support
· 1 year ago Thank you so much, Sven! Thrilled it made staying connected effortless. – Grace, eSIM TopUp Support
Fatima N.
Ireland · Apr 2025
Used this on my trip and it worked perfectly. Activation was automatic when I arrived.
Grace
GotoeSIM Support
· 1 year ago Thank you for the kind words, Fatima! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Grace, eSIM TopUp Support
James P.
Japan · Apr 2025
Used this on my trip and it worked perfectly. Coverage was strong even outside the city. Five stars from me.
Priya
GotoeSIM Support
· 1 year ago So glad to hear this, James! Great to know the setup was quick and easy. – Priya, eSIM TopUp Support
Priya N.
Indonesia · Apr 2025
No more hunting for a SIM card kiosk on arrival. Speeds were solid for maps, messaging and browsing.
Laura
GotoeSIM Support
· 1 year ago Thank you so much, Priya! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Laura 💜
James P.
Singapore · Apr 2025
Honestly better than buying a local SIM at the airport in Japan & South Korea. Speeds were solid for maps, messaging and browsing. Zero regrets.
David
GotoeSIM Support
· 1 year ago Really appreciate this, James! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! — David, eSIM TopUp Support
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 10GB 30days plan costs $19.20 for 10 GB over 30 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
Lea T. · 4 weeks ago
Can I top up the same eSIM instead of buying a new one?
Mohammed H. · 1 month ago
How long does the QR code take to arrive after payment?
Ji-woo R. · 3 months ago
Is roaming charged extra or is it all included?
Budi C. · 3 months ago
Can I use this for hotspot/tethering?
Arjun S. · 4 months ago
Does the validity start on purchase or on first use?
Sven R. · 5 months ago
Which networks does this connect to?
Sarah D. · 7 months ago
Can I use it in nearby countries too?
Mei B. · 7 months ago
Thanks, installed with no problems on my Samsung.
Wei T. · 7 months ago
Is 5G supported or just 4G?
Wei D. · 9 months ago
How do I check how much data I have left?
Isabella H. · 9 months ago
Great guide, the setup steps were really helpful.
Fatima K. · 1 year ago
Does this work on an iPhone 13?