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
Marco H.
Mexico · Aug 2026
Used this on my trip and it worked perfectly. Coverage was strong even outside the city. Made staying connected effortless.
James
GotoeSIM Support
· 4 days ago Thank you so much, Marco! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! – James, eSIM TopUp Support
Isabella T.
Spain · Aug 2026
Used this on my trip and it worked perfectly. Setup instructions in the app were clear and simple.
Sophie
GotoeSIM Support
· 4 days ago Thank you so much, Isabella! So pleased it saved you from roaming bills. Come back anytime! – Sophie, eSIM TopUp Support
Priya C.
South Korea · Aug 2026
First time using an eSIM and it was painless in Japan & South Korea. Data lasted the whole trip with room to spare.
Anna
GotoeSIM Support
· 4 days ago Thanks for sharing, Priya! So pleased it saved you from roaming bills. — Anna
Nguyen L.
United Kingdom · Aug 2026
Connected the moment I landed. Data lasted the whole trip with room to spare.
Mark
GotoeSIM Support
· 4 days ago So glad to hear this, Nguyen! So pleased it saved you from roaming bills. – Mark 💜
Olivia R.
Philippines · Aug 2026
Connected the moment I landed. I kept my normal number for calls while using this for data.
Ingrid
GotoeSIM Support
· 5 days ago Cheers, Olivia! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! – Ingrid 💜
Budi H.
Canada · Aug 2026
Good coverage in the city, a bit patchy in remote areas.
David
GotoeSIM Support
· 6 days ago We're really sorry, Budi. That's not the experience we want for Japan & South Korea. Reach our team at esimtopup.io/support so we can help right away. – David, eSIM TopUp Support
Ethan W.
Poland · Aug 2026
First time using an eSIM and it was painless. I kept my normal number for calls while using this for data. Exactly as described — no surprises.
David
GotoeSIM Support
· 1 week ago Really appreciate this, Ethan! Thrilled it made staying connected effortless. Come back anytime! – David 💜
Viktor M.
Netherlands · Aug 2026
No more hunting for a SIM card kiosk on arrival in Japan & South Korea. Signal held up well on trains and in rural areas. Would definitely buy again.
David
GotoeSIM Support
· 1 week ago Thanks a lot, Viktor! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! — David, eSIM TopUp Support
Budi S.
France · Aug 2026
First time using an eSIM and it was painless. Speeds were solid for maps, messaging and browsing.
David
GotoeSIM Support
· 1 week ago So glad to hear this, Budi! So pleased it saved you from roaming bills. We're here whenever you travel again. – David, eSIM TopUp Support
Kenji N.
France · Aug 2026
Connected the moment I landed. Customer support answered my question quickly. Made staying connected effortless.
Ken
GotoeSIM Support
· 1 week ago Thanks a lot, Kenji! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Ken
Arjun F.
Thailand · Jul 2026
Great value compared to roaming charges. Signal held up well on trains and in rural areas.
David
GotoeSIM Support
· 2 weeks ago Thanks for sharing, Arjun! So pleased it saved you from roaming bills. – David 💜
Pablo C.
Poland · Jul 2026
Super easy to set up before I flew out. Topping up was straightforward when I needed more. Highly recommend for any traveller.
Yuki
GotoeSIM Support
· 2 weeks ago Cheers, Pablo! Thrilled it made staying connected effortless. – Yuki 💜
Hugo H.
Singapore · Jul 2026
No more hunting for a SIM card kiosk on arrival in Japan & South Korea. Setup instructions in the app were clear and simple. Highly recommend for any traveller.
Sophie
GotoeSIM Support
· 2 weeks ago So glad to hear this, Hugo! Thrilled it made staying connected effortless. Wishing you many more connected adventures! — Sophie, eSIM TopUp Support
Ananya R.
Netherlands · Jul 2026
Connected the moment I landed in Japan & South Korea. Setup instructions in the app were clear and simple. Would definitely buy again.
Diego
GotoeSIM Support
· 2 weeks ago Cheers, Ananya! Delighted the speeds worked well for you. Come back anytime! – Diego, eSIM TopUp Support
Anna R.
Portugal · Jul 2026
Great value compared to roaming charges in Japan & South Korea. I kept my normal number for calls while using this for data. Exactly as described — no surprises.
Sara
GotoeSIM Support
· 2 weeks ago Thanks for sharing, Anna! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Sara
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. · 3 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. · 4 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. · 6 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. · 9 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.