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
Ananya H.
UAE · Jun 2026
Super easy to set up before I flew out. Coverage was strong even outside the city. Highly recommend for any traveller.
Ingrid
GotoeSIM Support
· 2 months ago Thank you so much, Ananya! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! – Ingrid, eSIM TopUp Support
Mei C.
Saudi Arabia · Jun 2026
Great value compared to roaming charges. Topping up was straightforward when I needed more. Great experience overall.
Sophie
GotoeSIM Support
· 2 months ago Cheers, Mei! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! — Sophie
Marco W.
Sweden · Jun 2026
Saved me a fortune on my holiday in Japan & South Korea. Setup instructions in the app were clear and simple.
Tom
GotoeSIM Support
· 2 months ago Cheers, Marco! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! – Tom, eSIM TopUp Support
Ananya T.
France · Jun 2026
First time using an eSIM and it was painless in Japan & South Korea. Speeds were solid for maps, messaging and browsing. Exactly as described — no surprises.
Laura
GotoeSIM Support
· 2 months ago Thanks for sharing, Ananya! Thrilled it made staying connected effortless. — Laura
Arjun T.
Sweden · Jun 2026
Did the job without any drama. Setup instructions in the app were clear and simple.
Yuki
GotoeSIM Support
· 2 months ago Really appreciate this, Arjun! Great to know the setup was quick and easy. – Yuki 💜
Arjun P.
Japan · Jun 2026
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more. Zero regrets.
Sara
GotoeSIM Support
· 2 months ago Thank you so much, Arjun! So pleased it saved you from roaming bills. — Sara
Nguyen S.
Vietnam · Jun 2026
First time using an eSIM and it was painless in Japan & South Korea. I kept my normal number for calls while using this for data. Zero regrets.
Omar
GotoeSIM Support
· 2 months ago Thanks a lot, Nguyen! Love that you were online the moment you landed in Japan & South Korea. Safe travels, and see you on your next trip! — Omar
Marco M.
Spain · Jun 2026
Solid overall, just wish there was a bit more data for the price.
Emma
GotoeSIM Support
· 2 months ago Apologies for the trouble, Marco. That's not the experience we want for Japan & South Korea. Reach our team at esimtopup.io/support so we can help right away. — Emma
Fatima F.
Egypt · Jun 2026
Bought it the night before my flight — smooth process in Japan & South Korea. Speeds were solid for maps, messaging and browsing. Five stars from me.
Grace
GotoeSIM Support
· 2 months ago Thank you for the kind words, Fatima! Great to know the setup was quick and easy. Come back anytime! – Grace, eSIM TopUp Support
Katya R.
Germany · Jun 2026
Installed in minutes by scanning the QR code. Coverage was strong even outside the city. Zero regrets.
David
GotoeSIM Support
· 2 months ago Thanks for sharing, Katya! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! — David
Emma N.
Spain · Jun 2026
Super easy to set up before I flew out. Customer support answered my question quickly.
Ingrid
GotoeSIM Support
· 2 months ago Really appreciate this, Emma! Great to know the setup was quick and easy. We're here whenever you travel again. – Ingrid, eSIM TopUp Support
Omar P.
Ireland · Jun 2026
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing. Five stars from me.
Sara
GotoeSIM Support
· 2 months ago Cheers, Omar! Delighted the speeds worked well for you. Come back anytime! – Sara, eSIM TopUp Support
Fatima R.
Turkey · May 2026
No more hunting for a SIM card kiosk on arrival. The QR code arrived instantly by email. Will use eSIM TopUp for my next trip for sure.
Laura
GotoeSIM Support
· 2 months ago Thanks for sharing, Fatima! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! — Laura
Andre W.
New Zealand · May 2026
Super easy to set up before I flew out. Data lasted the whole trip with room to spare. Great experience overall.
Priya
GotoeSIM Support
· 2 months ago So glad to hear this, Andre! So pleased it saved you from roaming bills. Enjoy your journeys! — Priya
Aisha W.
Italy · May 2026
First time using an eSIM and it was painless. Setup instructions in the app were clear and simple.
Sophie
GotoeSIM Support
· 2 months ago Really appreciate this, Aisha! Wonderful to hear it worked smoothly in Japan & South Korea. – Sophie, 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?