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
Sarah S.
South Korea · Aug 2026
Super easy to set up before I flew out in Japan & South Korea. Topping up was straightforward when I needed more. A must-have for international travel.
Grace
GotoeSIM Support
· 6 days ago Really appreciate this, Sarah! Love that you were online the moment you landed in Japan & South Korea. – Grace, eSIM TopUp Support
Giulia P.
South Korea · Aug 2026
First time using an eSIM and it was painless. Streaming and video calls worked without buffering. Made staying connected effortless.
Emma
GotoeSIM Support
· 1 week ago So glad to hear this, Giulia! Wonderful to hear it worked smoothly in Japan & South Korea. Come back anytime! — Emma
Sophia F.
Mexico · Aug 2026
Used this on my trip and it worked perfectly. Streaming and video calls worked without buffering. A must-have for international travel.
Priya
GotoeSIM Support
· 1 week ago Thanks a lot, Sophia! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Priya, eSIM TopUp Support
Grace D.
United States · Jul 2026
Super easy to set up before I flew out. Coverage was strong even outside the city. Would definitely buy again.
Grace
GotoeSIM Support
· 1 week ago Thanks for sharing, Grace! Delighted the speeds worked well for you. We're here whenever you travel again. – Grace, eSIM TopUp Support
Linh T.
Poland · Jul 2026
No more hunting for a SIM card kiosk on arrival. Streaming and video calls worked without buffering. Exactly as described — no surprises.
Yuki
GotoeSIM Support
· 2 weeks ago Thanks a lot, Linh! Thrilled it made staying connected effortless. Enjoy your journeys! — Yuki, eSIM TopUp Support
Ingrid D.
Brazil · Jul 2026
Super easy to set up before I flew out. Setup instructions in the app were clear and simple. Great experience overall.
Sophie
GotoeSIM Support
· 2 weeks ago So glad to hear this, Ingrid! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! – Sophie, eSIM TopUp Support
Grace L.
Singapore · Jul 2026
Saved me a fortune on my holiday. Data lasted the whole trip with room to spare. Exactly as described — no surprises.
Ken
GotoeSIM Support
· 3 weeks ago Cheers, Grace! Thrilled it made staying connected effortless. We're here whenever you travel again. — Ken
Haruto D.
Sweden · Jul 2026
Did the job without any drama in Japan & South Korea. I kept my normal number for calls while using this for data. Telling my friends about this.
Mark
GotoeSIM Support
· 3 weeks ago Thank you for the kind words, Haruto! So happy the Japan & South Korea eSIM kept you connected. — Mark
Chloe T.
France · Jul 2026
Did the job without any drama. Activation was automatic when I arrived in Japan & South Korea. Zero regrets.
Sara
GotoeSIM Support
· 3 weeks ago Thank you for the kind words, Chloe! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. — Sara
Arjun C.
Philippines · Jul 2026
Bought it the night before my flight — smooth process. The QR code arrived instantly by email. Great experience overall.
Anna
GotoeSIM Support
· 3 weeks ago Thank you so much, Arjun! Delighted the speeds worked well for you. Come back anytime! — Anna
Emma F.
Turkey · Jul 2026
Did the job without any drama. Speeds were solid for maps, messaging and browsing. Telling my friends about this.
Yuki
GotoeSIM Support
· 3 weeks ago Thank you so much, Emma! So pleased it saved you from roaming bills. Enjoy your journeys! – Yuki 💜
Lea M.
India · Jul 2026
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.
Emma
GotoeSIM Support
· 4 weeks ago Cheers, Lea! Love that you were online the moment you landed in Japan & South Korea. — Emma, eSIM TopUp Support
Elena S.
France · Jul 2026
Saved me a fortune on my holiday. I kept my normal number for calls while using this for data.
Omar
GotoeSIM Support
· 1 month ago Thanks a lot, Elena! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! – Omar, eSIM TopUp Support
Hana C.
Poland · Jul 2026
Installed in minutes by scanning the QR code. Data lasted the whole trip with room to spare. Made staying connected effortless.
Sophie
GotoeSIM Support
· 1 month ago Thank you for the kind words, Hana! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! – Sophie 💜
Sofia D.
Netherlands · Jul 2026
First time using an eSIM and it was painless. Topping up was straightforward when I needed more.
Ken
GotoeSIM Support
· 1 month ago Really appreciate this, Sofia! Love that you were online the moment you landed in Japan & South Korea. — Ken, 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?