Japan & South Korea eSIM — reviews & details
Japan & South Korea 1GB/Day · 1 GB/day · 1 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG Uplus 5G
Traveller reviews
Sofia G.
Canada · May 2025
Honestly better than buying a local SIM at the airport. Streaming and video calls worked without buffering. A must-have for international travel.
Sara
GotoeSIM Support
· 1 year ago Thank you for the kind words, Sofia! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. — Sara, eSIM TopUp Support
Sri N.
Philippines · Apr 2025
Good coverage in the city, a bit patchy in remote areas.
Tom
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Sri. We're constantly optimising speeds and coverage across Japan & South Korea. Reach us anytime at esimtopup.io/support if we can help. – Tom, eSIM TopUp Support
Mateo W.
Ireland · Apr 2025
Connected the moment I landed. Topping up was straightforward when I needed more. Highly recommend for any traveller.
Priya
GotoeSIM Support
· 1 year ago So glad to hear this, Mateo! So pleased it saved you from roaming bills. — Priya, eSIM TopUp Support
Kenji B.
Japan · Apr 2025
Saved me a fortune on my holiday. Topping up was straightforward when I needed more.
Omar
GotoeSIM Support
· 1 year ago Thanks for sharing, Kenji! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. — Omar, eSIM TopUp Support
Olivia T.
Brazil · Apr 2025
Super easy to set up before I flew out. Speeds were solid for maps, messaging and browsing. A must-have for international travel.
Ken
GotoeSIM Support
· 1 year ago Thanks a lot, Olivia! Thrilled it made staying connected effortless. Come back anytime! – Ken, eSIM TopUp Support
Marco R.
Australia · Apr 2025
Installed in minutes by scanning the QR code. Data lasted the whole trip with room to spare. Zero regrets.
Ken
GotoeSIM Support
· 1 year ago So glad to hear this, Marco! So happy the Japan & South Korea eSIM kept you connected. – Ken, eSIM TopUp Support
Wei P.
Canada · Apr 2025
Install took me two tries but was fine after that.
Grace
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Wei. We're constantly optimising speeds and coverage across Japan & South Korea. Reach us anytime at esimtopup.io/support if we can help. — Grace, eSIM TopUp Support
Priya W.
Ireland · Apr 2025
First time using an eSIM and it was painless in Japan & South Korea. Ran hotspot to my laptop with no issues. Great experience overall.
Sophie
GotoeSIM Support
· 1 year ago Really appreciate this, Priya! Thrilled it made staying connected effortless. Enjoy your journeys! – Sophie, eSIM TopUp Support
Max R.
Spain · Apr 2025
Install took me two tries but was fine after that.
Ingrid
GotoeSIM Support
· 1 year ago Thank you for taking the time, Max. Good to hear it did the job, and we're working to make it even better. Reach us anytime at esimtopup.io/support if we can help. — Ingrid
Mohammed F.
Brazil · Apr 2025
Installed in minutes by scanning the QR code. The QR code arrived instantly by email. Zero regrets.
Priya
GotoeSIM Support
· 1 year ago So glad to hear this, Mohammed! Thrilled it made staying connected effortless. — Priya
Arjun G.
Malaysia · Apr 2025
Bought it the night before my flight — smooth process in Japan & South Korea. Signal held up well on trains and in rural areas. Exactly as described — no surprises.
Laura
GotoeSIM Support
· 1 year ago Thanks a lot, Arjun! So happy the Japan & South Korea eSIM kept you connected. – Laura 💜
Carlos P.
Singapore · Apr 2025
First time using an eSIM and it was painless. Streaming and video calls worked without buffering. Exactly as described — no surprises.
Priya
GotoeSIM Support
· 1 year ago Thanks a lot, Carlos! Delighted the speeds worked well for you. — Priya, eSIM TopUp Support
Sven W.
France · Apr 2025
Used this on my trip and it worked perfectly. Topping up was straightforward when I needed more. Five stars from me.
David
GotoeSIM Support
· 1 year ago So glad to hear this, Sven! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – David, eSIM TopUp Support
Sarah D.
Italy · Apr 2025
Super easy to set up before I flew out. Streaming and video calls worked without buffering.
Grace
GotoeSIM Support
· 1 year ago Thank you for the kind words, Sarah! Great to know the setup was quick and easy. — Grace, eSIM TopUp Support
Zoe L.
Turkey · Apr 2025
Saved me a fortune on my holiday. Speeds were solid for maps, messaging and browsing. Will use eSIM TopUp for my next trip for sure.
Mark
GotoeSIM Support
· 1 year ago So glad to hear this, Zoe! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! – Mark, eSIM TopUp Support
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 1GB/Day plan costs $2.03 for 1 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
Marco K. · 1 week ago
How long does the QR code take to arrive after payment?
Beatriz S. · 1 month ago
Does this work on an iPhone 13?
Budi D. · 3 months ago
Will this keep my WhatsApp active with my home number?
Lucas P. · 4 months ago
Is 5G supported or just 4G?
Grace B. · 6 months ago
Thanks, installed with no problems on my Samsung.
Liam L. · 6 months ago
Does the validity start on purchase or on first use?
Beatriz V. · 8 months ago
Which networks does this connect to?
Haruto G. · 9 months ago
Is roaming charged extra or is it all included?
Ryan N. · 9 months ago
Can I use it in nearby countries too?
Ava B. · 10 months ago
Do I need to install it before I travel or after I arrive?
Camila P. · 11 months ago
Can I top up the same eSIM instead of buying a new one?
Sofia B. · 11 months ago
Can I use this for hotspot/tethering?