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
Nguyen P.
Philippines · Mar 2026
Exactly what I needed for travelling. Speeds were solid for maps, messaging and browsing. Zero regrets.
James
GotoeSIM Support
· 4 months ago Thanks for sharing, Nguyen! So pleased it saved you from roaming bills. Enjoy your journeys! – James 💜
Nadia L.
Egypt · Mar 2026
Did the job without any drama. Customer support answered my question quickly.
Priya
GotoeSIM Support
· 4 months ago Thanks for sharing, Nadia! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Priya, eSIM TopUp Support
Beatriz T.
Philippines · Mar 2026
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing. Zero regrets.
Grace
GotoeSIM Support
· 4 months ago Thanks a lot, Beatriz! So pleased it saved you from roaming bills. We're here whenever you travel again. – Grace 💜
Mateo G.
Australia · Mar 2026
Saved me a fortune on my holiday. Coverage was strong even outside the city. A must-have for international travel.
Sara
GotoeSIM Support
· 5 months ago Thank you so much, Mateo! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Sara, eSIM TopUp Support
Lucia N.
United States · Mar 2026
First time using an eSIM and it was painless. Topping up was straightforward when I needed more. Exactly as described — no surprises.
James
GotoeSIM Support
· 5 months ago Thank you so much, Lucia! So pleased it saved you from roaming bills. — James, eSIM TopUp Support
Isabella T.
Canada · Mar 2026
Bought it the night before my flight — smooth process in Japan & South Korea. The QR code arrived instantly by email. Made staying connected effortless.
Omar
GotoeSIM Support
· 5 months ago Thanks for sharing, Isabella! Delighted the speeds worked well for you. Enjoy your journeys! — Omar, eSIM TopUp Support
Lucia L.
Singapore · Mar 2026
Installed in minutes by scanning the QR code. Topping up was straightforward when I needed more. Will use eSIM TopUp for my next trip for sure.
Sophie
GotoeSIM Support
· 5 months ago Thanks for sharing, Lucia! So happy the Japan & South Korea eSIM kept you connected. — Sophie
Kenji D.
Ireland · Mar 2026
Super easy to set up before I flew out. The QR code arrived instantly by email. Would definitely buy again.
Omar
GotoeSIM Support
· 5 months ago Thank you for the kind words, Kenji! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! — Omar
Noah C.
India · Mar 2026
No more hunting for a SIM card kiosk on arrival. Data lasted the whole trip with room to spare. Made staying connected effortless.
Ingrid
GotoeSIM Support
· 5 months ago Thanks for sharing, Noah! So pleased it saved you from roaming bills. Come back anytime! — Ingrid, eSIM TopUp Support
Beatriz H.
Indonesia · Mar 2026
First time using an eSIM and it was painless. Data lasted the whole trip with room to spare. Would definitely buy again.
Tom
GotoeSIM Support
· 5 months ago Cheers, Beatriz! Thrilled it made staying connected effortless. — Tom, eSIM TopUp Support
Noah H.
Thailand · Mar 2026
Did the job without any drama. Streaming and video calls worked without buffering.
Ingrid
GotoeSIM Support
· 5 months ago Thanks a lot, Noah! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! — Ingrid, eSIM TopUp Support
Haruto T.
France · Mar 2026
Saved me a fortune on my holiday. Topping up was straightforward when I needed more. Five stars from me.
James
GotoeSIM Support
· 5 months ago Thanks for sharing, Haruto! Delighted the speeds worked well for you. — James
Beatriz L.
India · Feb 2026
Installed in minutes by scanning the QR code. Ran hotspot to my laptop with no issues. Would definitely buy again.
Diego
GotoeSIM Support
· 5 months ago So glad to hear this, Beatriz! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Diego, eSIM TopUp Support
Elena T.
Turkey · Feb 2026
First time using an eSIM and it was painless in Japan & South Korea. Signal held up well on trains and in rural areas. Made staying connected effortless.
Grace
GotoeSIM Support
· 5 months ago Thanks a lot, Elena! Wonderful to hear it worked smoothly in Japan & South Korea. – Grace, eSIM TopUp Support
Thomas B.
Spain · Feb 2026
First time using an eSIM and it was painless in Japan & South Korea. Signal held up well on trains and in rural areas. A must-have for international travel.
Grace
GotoeSIM Support
· 5 months ago Thank you so much, Thomas! Thrilled it made staying connected effortless. Enjoy your journeys! – Grace 💜
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?