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
James L.
Canada · Sep 2025
Connected the moment I landed. Data lasted the whole trip with room to spare. Made staying connected effortless.
Tom
GotoeSIM Support
· 11 months ago Cheers, James! So happy the Japan & South Korea eSIM kept you connected. – Tom 💜
Camila V.
Sweden · Sep 2025
Bought it the night before my flight — smooth process. Signal held up well on trains and in rural areas.
Emma
GotoeSIM Support
· 11 months ago Thanks for sharing, Camila! Wonderful to hear it worked smoothly in Japan & South Korea. — Emma
Lucia T.
Philippines · Sep 2025
No more hunting for a SIM card kiosk on arrival. Speeds were solid for maps, messaging and browsing.
Emma
GotoeSIM Support
· 11 months ago Thanks a lot, Lucia! Love that you were online the moment you landed in Japan & South Korea. Safe travels, and see you on your next trip! — Emma
Zoe K.
South Korea · Sep 2025
Used this on my trip and it worked perfectly in Japan & South Korea. Setup instructions in the app were clear and simple.
Laura
GotoeSIM Support
· 11 months ago Really appreciate this, Zoe! Thrilled it made staying connected effortless. We're here whenever you travel again. – Laura, eSIM TopUp Support
Mei F.
Thailand · Sep 2025
Used this on my trip and it worked perfectly. The QR code arrived instantly by email.
Ken
GotoeSIM Support
· 11 months ago Thank you for the kind words, Mei! Love that you were online the moment you landed in Japan & South Korea. — Ken
Chloe M.
Japan · Sep 2025
No more hunting for a SIM card kiosk on arrival. Speeds were solid for maps, messaging and browsing. Will use eSIM TopUp for my next trip for sure.
Tom
GotoeSIM Support
· 11 months ago Thank you so much, Chloe! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Tom, eSIM TopUp Support
Grace G.
United States · Aug 2025
Honestly better than buying a local SIM at the airport. I kept my normal number for calls while using this for data. Will use eSIM TopUp for my next trip for sure.
Diego
GotoeSIM Support
· 11 months ago Thanks a lot, Grace! So pleased it saved you from roaming bills. — Diego
Min-jun V.
Saudi Arabia · Aug 2025
Exactly what I needed for travelling. Customer support answered my question quickly.
Sara
GotoeSIM Support
· 11 months ago Thank you for the kind words, Min-jun! So pleased it saved you from roaming bills. We're here whenever you travel again. – Sara 💜
Mei F.
Malaysia · Aug 2025
Decent speeds, though slower than I expected in a few spots.
Mark
GotoeSIM Support
· 11 months ago Thanks for the honest feedback, Mei. We're constantly optimising speeds and coverage across Japan & South Korea. Any questions, our team is at esimtopup.io/support. — Mark, eSIM TopUp Support
Omar D.
United Kingdom · Aug 2025
Decent speeds, though slower than I expected in a few spots. Topping up was straightforward when I needed more.
Priya
GotoeSIM Support
· 11 months ago Appreciate you sharing this, Omar. We're constantly optimising speeds and coverage across Japan & South Korea. Any questions, our team is at esimtopup.io/support. – Priya 💜
Wei D.
Netherlands · Aug 2025
Exactly what I needed for travelling. Customer support answered my question quickly. Five stars from me.
Sara
GotoeSIM Support
· 11 months ago Thanks for sharing, Wei! Great to know the setup was quick and easy. Come back anytime! – Sara, eSIM TopUp Support
Marco W.
New Zealand · Aug 2025
Super easy to set up before I flew out. Setup instructions in the app were clear and simple. Great experience overall.
Priya
GotoeSIM Support
· 11 months ago Thanks for sharing, Marco! Thrilled it made staying connected effortless. – Priya 💜
Wei V.
Egypt · Aug 2025
Connected the moment I landed in Japan & South Korea. I kept my normal number for calls while using this for data. Made staying connected effortless.
Diego
GotoeSIM Support
· 11 months ago So glad to hear this, Wei! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! – Diego 💜
Sri K.
Egypt · Aug 2025
Super easy to set up before I flew out. The QR code arrived instantly by email.
Yuki
GotoeSIM Support
· 11 months ago Thanks a lot, Sri! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! – Yuki 💜
Sven C.
Sweden · Aug 2025
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering. Great experience overall.
Diego
GotoeSIM Support
· 11 months ago Cheers, Sven! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! — Diego
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?