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
Omar H.
Egypt · Jul 2026
Connected the moment I landed. Data lasted the whole trip with room to spare. Zero regrets.
David
GotoeSIM Support
· 1 month ago Thank you for the kind words, Omar! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! – David, eSIM TopUp Support
Louis F.
Malaysia · Jul 2026
Connected the moment I landed in Japan & South Korea. I kept my normal number for calls while using this for data. Will use eSIM TopUp for my next trip for sure.
Sara
GotoeSIM Support
· 1 month ago Thanks for sharing, Louis! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. — Sara, eSIM TopUp Support
Max N.
Thailand · Jul 2026
First time using an eSIM and it was painless. Activation was automatic when I arrived. Great experience overall.
Anna
GotoeSIM Support
· 1 month ago Thank you for the kind words, Max! Delighted the speeds worked well for you. Enjoy your journeys! – Anna, eSIM TopUp Support
Somchai R.
Vietnam · Jul 2026
Solid overall, just wish there was a bit more data for the price. Customer support answered my question quickly.
Yuki
GotoeSIM Support
· 1 month ago Appreciate you sharing this, Somchai. We're constantly optimising speeds and coverage across Japan & South Korea. Any questions, our team is at esimtopup.io/support. — Yuki
Liam L.
Ireland · Jul 2026
Saved me a fortune on my holiday. Activation was automatic when I arrived in Japan & South Korea.
Ingrid
GotoeSIM Support
· 1 month ago Thanks for sharing, Liam! Great to know the setup was quick and easy. — Ingrid, eSIM TopUp Support
Wei N.
South Korea · Jun 2026
Honestly better than buying a local SIM at the airport. Customer support answered my question quickly. Telling my friends about this.
Sara
GotoeSIM Support
· 1 month ago Thank you for the kind words, Wei! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Sara 💜
Fatima F.
South Korea · Jun 2026
Installed in minutes by scanning the QR code in Japan & South Korea. I kept my normal number for calls while using this for data. Made staying connected effortless.
Grace
GotoeSIM Support
· 1 month ago Thank you so much, Fatima! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Grace, eSIM TopUp Support
Nadia S.
Italy · Jun 2026
Used this on my trip and it worked perfectly in Japan & South Korea. Customer support answered my question quickly. Made staying connected effortless.
Mark
GotoeSIM Support
· 1 month ago So glad to hear this, Nadia! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Mark, eSIM TopUp Support
Andre C.
Japan · Jun 2026
Used this on my trip and it worked perfectly. Setup instructions in the app were clear and simple. Will use eSIM TopUp for my next trip for sure.
Ken
GotoeSIM Support
· 1 month ago So glad to hear this, Andre! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! – Ken 💜
Carlos S.
Spain · Jun 2026
Great value compared to roaming charges. Customer support answered my question quickly. Would definitely buy again.
Anna
GotoeSIM Support
· 1 month ago Thank you so much, Carlos! So pleased it saved you from roaming bills. Come back anytime! — Anna, eSIM TopUp Support
Zoe C.
Canada · Jun 2026
Exactly what I needed for travelling. Data lasted the whole trip with room to spare. Five stars from me.
Ingrid
GotoeSIM Support
· 1 month ago Really appreciate this, Zoe! Great to know the setup was quick and easy. – Ingrid, eSIM TopUp Support
Noah K.
Ireland · Jun 2026
Installed in minutes by scanning the QR code. Speeds were solid for maps, messaging and browsing. Will use eSIM TopUp for my next trip for sure.
Sara
GotoeSIM Support
· 1 month ago Cheers, Noah! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! — Sara
Linh R.
Mexico · Jun 2026
Bought it the night before my flight — smooth process in Japan & South Korea. The QR code arrived instantly by email. Highly recommend for any traveller.
Emma
GotoeSIM Support
· 1 month ago Thanks for sharing, Linh! Great to know the setup was quick and easy. We're here whenever you travel again. – Emma, eSIM TopUp Support
Viktor C.
Egypt · Jun 2026
Did the job without any drama. I kept my normal number for calls while using this for data. Exactly as described — no surprises.
David
GotoeSIM Support
· 1 month ago Really appreciate this, Viktor! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! — David
Daniel F.
Germany · Jun 2026
Installed in minutes by scanning the QR code. Activation was automatic when I arrived.
Sophie
GotoeSIM Support
· 1 month ago Cheers, Daniel! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! — Sophie
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. · 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.