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
Ryan W.
Canada · Oct 2025
Did the job without any drama. Customer support answered my question quickly.
Emma
GotoeSIM Support
· 10 months ago Thank you so much, Ryan! Love that you were online the moment you landed in Japan & South Korea. Safe travels, and see you on your next trip! – Emma 💜
Ravi R.
Netherlands · Oct 2025
Saved me a fortune on my holiday. Customer support answered my question quickly.
Anna
GotoeSIM Support
· 10 months ago Thanks a lot, Ravi! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. – Anna 💜
Haruto H.
Japan · Oct 2025
First time using an eSIM and it was painless in Japan & South Korea. Topping up was straightforward when I needed more.
Sara
GotoeSIM Support
· 10 months ago Thanks for sharing, Haruto! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Sara, eSIM TopUp Support
Anna H.
Australia · Sep 2025
Bought it the night before my flight — smooth process. Customer support answered my question quickly. Highly recommend for any traveller.
Diego
GotoeSIM Support
· 10 months ago Thank you so much, Anna! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Diego, eSIM TopUp Support
Andre N.
Germany · Sep 2025
Did the job without any drama. Data lasted the whole trip with room to spare.
Emma
GotoeSIM Support
· 10 months ago Thank you for the kind words, Andre! So happy the Japan & South Korea eSIM kept you connected. — Emma, eSIM TopUp Support
Thomas C.
Indonesia · Sep 2025
Install took me two tries but was fine after that. Setup instructions in the app were clear and simple.
Emma
GotoeSIM Support
· 10 months ago Thank you for taking the time, Thomas. We're constantly optimising speeds and coverage across Japan & South Korea. Any questions, our team is at esimtopup.io/support. — Emma, eSIM TopUp Support
Viktor F.
Sweden · Sep 2025
Bought it the night before my flight — smooth process. Speeds were solid for maps, messaging and browsing.
David
GotoeSIM Support
· 10 months ago Really appreciate this, Viktor! Wonderful to hear it worked smoothly in Japan & South Korea. — David, eSIM TopUp Support
Louis V.
United States · Sep 2025
Great value compared to roaming charges. I kept my normal number for calls while using this for data.
Sophie
GotoeSIM Support
· 10 months ago Thanks a lot, Louis! Delighted the speeds worked well for you. – Sophie 💜
Anna H.
Turkey · Sep 2025
Did the job without any drama. Ran hotspot to my laptop with no issues. A must-have for international travel.
David
GotoeSIM Support
· 10 months ago Really appreciate this, Anna! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! – David 💜
Zoe V.
Switzerland · Sep 2025
First time using an eSIM and it was painless in Japan & South Korea. Streaming and video calls worked without buffering. Exactly as described — no surprises.
Sophie
GotoeSIM Support
· 10 months ago Thank you for the kind words, Zoe! Delighted the speeds worked well for you. Enjoy your journeys! – Sophie 💜
James S.
Brazil · Sep 2025
Connected the moment I landed. I kept my normal number for calls while using this for data. Five stars from me.
Ingrid
GotoeSIM Support
· 10 months ago Thanks for sharing, James! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! – Ingrid 💜
Chloe P.
Indonesia · Sep 2025
Installed in minutes by scanning the QR code in Japan & South Korea. Signal held up well on trains and in rural areas.
Sara
GotoeSIM Support
· 10 months ago Thanks for sharing, Chloe! So happy the Japan & South Korea eSIM kept you connected. – Sara 💜
Grace C.
Poland · Sep 2025
Saved me a fortune on my holiday. The QR code arrived instantly by email.
James
GotoeSIM Support
· 10 months ago So glad to hear this, Grace! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! — James
Olivia S.
Netherlands · Sep 2025
Connected the moment I landed in Japan & South Korea. The QR code arrived instantly by email. A must-have for international travel.
Laura
GotoeSIM Support
· 10 months ago So glad to hear this, Olivia! Delighted the speeds worked well for you. Wishing you many more connected adventures! – Laura, eSIM TopUp Support
Max V.
Canada · Sep 2025
Install took me two tries but was fine after that.
Sophie
GotoeSIM Support
· 10 months ago Thank you for taking the time, Max. Good to hear it did the job, and we're working to make it even better. Reach us anytime at esimtopup.io/support if we can help. – Sophie 💜
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?