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
Camila W.
Canada · Aug 2026
No more hunting for a SIM card kiosk on arrival. Setup instructions in the app were clear and simple. Exactly as described — no surprises.
Omar
GotoeSIM Support
· 1 week ago Cheers, Camila! Love that you were online the moment you landed in Japan & South Korea. — Omar, eSIM TopUp Support
Carlos G.
Japan · Aug 2026
Great value compared to roaming charges. Setup instructions in the app were clear and simple. Exactly as described — no surprises.
Tom
GotoeSIM Support
· 1 week ago Thanks a lot, Carlos! Thrilled it made staying connected effortless. — Tom, eSIM TopUp Support
Linh T.
Italy · Jul 2026
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering.
Mark
GotoeSIM Support
· 1 week ago Thank you so much, Linh! So happy the Japan & South Korea eSIM kept you connected. – Mark 💜
Min-jun N.
Italy · Jul 2026
Great value compared to roaming charges. Ran hotspot to my laptop with no issues. Would definitely buy again.
Mark
GotoeSIM Support
· 2 weeks ago Really appreciate this, Min-jun! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. – Mark, eSIM TopUp Support
Zoe L.
Australia · Jul 2026
Exactly what I needed for travelling. Data lasted the whole trip with room to spare. Five stars from me.
Ingrid
GotoeSIM Support
· 2 weeks ago Thanks for sharing, Zoe! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Ingrid 💜
Carlos K.
Poland · Jul 2026
Exactly what I needed for travelling. The QR code arrived instantly by email. Would definitely buy again.
Ken
GotoeSIM Support
· 3 weeks ago Cheers, Carlos! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Ken 💜
Elena H.
UAE · Jul 2026
Super easy to set up before I flew out. Coverage was strong even outside the city. Made staying connected effortless.
Yuki
GotoeSIM Support
· 3 weeks ago Thank you so much, Elena! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! — Yuki
Wei F.
Portugal · Jun 2026
Saved me a fortune on my holiday. The QR code arrived instantly by email. Five stars from me.
Ken
GotoeSIM Support
· 1 month ago Thank you for the kind words, Wei! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! — Ken, eSIM TopUp Support
Olivia M.
Italy · Jun 2026
Connected the moment I landed. Activation was automatic when I arrived. Exactly as described — no surprises.
Emma
GotoeSIM Support
· 1 month ago Thanks for sharing, Olivia! Great to know the setup was quick and easy. – Emma, eSIM TopUp Support
Lucia C.
Netherlands · Jun 2026
First time using an eSIM and it was painless. Topping up was straightforward when I needed more. Great experience overall.
Yuki
GotoeSIM Support
· 1 month ago Thanks a lot, Lucia! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! – Yuki, eSIM TopUp Support
Sven F.
Germany · Jun 2026
Honestly better than buying a local SIM at the airport. Signal held up well on trains and in rural areas. Will use eSIM TopUp for my next trip for sure.
Laura
GotoeSIM Support
· 1 month ago So glad to hear this, Sven! Thrilled it made staying connected effortless. Come back anytime! – Laura, eSIM TopUp Support
Daniel F.
Indonesia · Jun 2026
Connected the moment I landed. Customer support answered my question quickly. Zero regrets.
Ingrid
GotoeSIM Support
· 1 month ago Thanks for sharing, Daniel! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Ingrid, eSIM TopUp Support
Sarah B.
Switzerland · Jun 2026
Exactly what I needed for travelling. Streaming and video calls worked without buffering. Telling my friends about this.
David
GotoeSIM Support
· 2 months ago Thank you so much, Sarah! Great to know the setup was quick and easy. Wishing you many more connected adventures! – David, eSIM TopUp Support
Linh K.
UAE · Jun 2026
Bought it the night before my flight — smooth process. Signal held up well on trains and in rural areas. Great experience overall.
Diego
GotoeSIM Support
· 2 months ago So glad to hear this, Linh! So pleased it saved you from roaming bills. Come back anytime! — Diego
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 💜
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?