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
Sri L.
Germany · May 2026
Great value compared to roaming charges. Customer support answered my question quickly. Zero regrets.
Ken
GotoeSIM Support
· 2 months ago So glad to hear this, Sri! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Ken 💜
Priya K.
Ireland · May 2026
Exactly what I needed for travelling in Japan & South Korea. Signal held up well on trains and in rural areas. Zero regrets.
Grace
GotoeSIM Support
· 2 months ago Thanks a lot, Priya! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! – Grace, eSIM TopUp Support
Liam H.
Thailand · May 2026
Exactly what I needed for travelling. Customer support answered my question quickly.
Mark
GotoeSIM Support
· 2 months ago Thanks for sharing, Liam! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Mark
Elena S.
Saudi Arabia · May 2026
Great value compared to roaming charges. Setup instructions in the app were clear and simple. Would definitely buy again.
Grace
GotoeSIM Support
· 2 months ago Thank you so much, Elena! Love that you were online the moment you landed in Japan & South Korea. — Grace
Chloe K.
Malaysia · May 2026
Used this on my trip and it worked perfectly. Signal held up well on trains and in rural areas.
Ingrid
GotoeSIM Support
· 2 months ago Thanks a lot, Chloe! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! – Ingrid 💜
Emma P.
Malaysia · May 2026
Honestly better than buying a local SIM at the airport in Japan & South Korea. Topping up was straightforward when I needed more.
James
GotoeSIM Support
· 2 months ago Cheers, Emma! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! – James 💜
Nguyen B.
UAE · May 2026
Saved me a fortune on my holiday. Activation was automatic when I arrived. Great experience overall.
Diego
GotoeSIM Support
· 2 months ago Cheers, Nguyen! Delighted the speeds worked well for you. Enjoy your journeys! — Diego
Linh F.
Italy · May 2026
Super easy to set up before I flew out in Japan & South Korea. Streaming and video calls worked without buffering. Exactly as described — no surprises.
Emma
GotoeSIM Support
· 2 months ago Thank you so much, Linh! Love that you were online the moment you landed in Japan & South Korea. – Emma, eSIM TopUp Support
Somchai G.
Singapore · May 2026
Used this on my trip and it worked perfectly in Japan & South Korea. Customer support answered my question quickly. Highly recommend for any traveller.
Ken
GotoeSIM Support
· 2 months ago So glad to hear this, Somchai! So happy the Japan & South Korea eSIM kept you connected. — Ken, eSIM TopUp Support
Ravi V.
Brazil · May 2026
Good coverage in the city, a bit patchy in remote areas. Ran hotspot to my laptop with no issues.
James
GotoeSIM Support
· 2 months ago Appreciate you sharing this, Ravi. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Reach us anytime at esimtopup.io/support if we can help. – James, eSIM TopUp Support
Ananya S.
India · May 2026
Saved me a fortune on my holiday. Activation was automatic when I arrived. Great experience overall.
Yuki
GotoeSIM Support
· 2 months ago So glad to hear this, Ananya! So pleased it saved you from roaming bills. – Yuki 💜
Priya M.
Portugal · May 2026
Exactly what I needed for travelling. Streaming and video calls worked without buffering. Will use eSIM TopUp for my next trip for sure.
Yuki
GotoeSIM Support
· 2 months ago Cheers, Priya! So pleased it saved you from roaming bills. – Yuki, eSIM TopUp Support
Fatima P.
Thailand · May 2026
Great value compared to roaming charges. Streaming and video calls worked without buffering.
Omar
GotoeSIM Support
· 2 months ago Thank you so much, Fatima! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! – Omar 💜
Max N.
Egypt · May 2026
Used this on my trip and it worked perfectly. The QR code arrived instantly by email. Highly recommend for any traveller.
Diego
GotoeSIM Support
· 2 months ago Cheers, Max! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! – Diego, eSIM TopUp Support
Ava D.
Brazil · May 2026
Honestly better than buying a local SIM at the airport in Japan & South Korea. Coverage was strong even outside the city. Highly recommend for any traveller.
Ken
GotoeSIM Support
· 2 months ago Really appreciate this, Ava! Great to know the setup was quick and easy. We're here whenever you travel again. – 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?