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
Noah C.
India · Jul 2026
Saved me a fortune on my holiday. Ran hotspot to my laptop with no issues.
Laura
GotoeSIM Support
· 1 month ago Thanks for sharing, Noah! Thrilled it made staying connected effortless. Enjoy your journeys! — Laura, eSIM TopUp Support
Max N.
Poland · Jul 2026
Did the job without any drama. Customer support answered my question quickly. Zero regrets.
Omar
GotoeSIM Support
· 1 month ago Thanks a lot, Max! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Omar, eSIM TopUp Support
Fatima N.
Vietnam · Jul 2026
Honestly better than buying a local SIM at the airport in Japan & South Korea. Streaming and video calls worked without buffering. Five stars from me.
Grace
GotoeSIM Support
· 1 month ago Thank you for the kind words, Fatima! Great to know the setup was quick and easy. Enjoy your journeys! – Grace, eSIM TopUp Support
Beatriz K.
India · Jul 2026
Connected the moment I landed. Data lasted the whole trip with room to spare. Zero regrets.
Omar
GotoeSIM Support
· 1 month ago So glad to hear this, Beatriz! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Omar
Sarah L.
Philippines · Jul 2026
Great value compared to roaming charges in Japan & South Korea. Signal held up well on trains and in rural areas. Great experience overall.
Tom
GotoeSIM Support
· 1 month ago Cheers, Sarah! So pleased it saved you from roaming bills. – Tom, eSIM TopUp Support
Elena L.
Saudi Arabia · Jul 2026
Did the job without any drama. Activation was automatic when I arrived. Great experience overall.
Tom
GotoeSIM Support
· 1 month ago Really appreciate this, Elena! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! – Tom, eSIM TopUp Support
Sofia P.
Egypt · Jun 2026
Super easy to set up before I flew out in Japan & South Korea. Streaming and video calls worked without buffering.
Ken
GotoeSIM Support
· 1 month ago Thanks for sharing, Sofia! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Ken, eSIM TopUp Support
Isabella M.
Switzerland · Jun 2026
Great value compared to roaming charges. Signal held up well on trains and in rural areas. Telling my friends about this.
Mark
GotoeSIM Support
· 1 month ago Really appreciate this, Isabella! Thrilled it made staying connected effortless. We're here whenever you travel again. — Mark, eSIM TopUp Support
Mateo T.
Australia · Jun 2026
Did the job without any drama. Setup instructions in the app were clear and simple.
Sophie
GotoeSIM Support
· 1 month ago So glad to hear this, Mateo! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! – Sophie, eSIM TopUp Support
Max T.
Brazil · Jun 2026
Saved me a fortune on my holiday. I kept my normal number for calls while using this for data. Great experience overall.
Yuki
GotoeSIM Support
· 1 month ago Really appreciate this, Max! Thrilled it made staying connected effortless. — Yuki, eSIM TopUp Support
Beatriz F.
Ireland · Jun 2026
Bought it the night before my flight — smooth process. Data lasted the whole trip with room to spare. Made staying connected effortless.
Grace
GotoeSIM Support
· 1 month ago Thank you so much, Beatriz! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! – Grace, eSIM TopUp Support
Camila V.
Singapore · Jun 2026
Did the job without any drama. Topping up was straightforward when I needed more. Great experience overall.
Yuki
GotoeSIM Support
· 1 month ago Thank you so much, Camila! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! — Yuki, eSIM TopUp Support
Liam G.
South Korea · Jun 2026
Used this on my trip and it worked perfectly. Ran hotspot to my laptop with no issues.
Emma
GotoeSIM Support
· 1 month ago So glad to hear this, Liam! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. – Emma, eSIM TopUp Support
Nguyen F.
Canada · Jun 2026
Installed in minutes by scanning the QR code in Japan & South Korea. Coverage was strong even outside the city. Would definitely buy again.
Ken
GotoeSIM Support
· 1 month ago Thanks for sharing, Nguyen! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Ken 💜
Mateo M.
Turkey · Jun 2026
No more hunting for a SIM card kiosk on arrival. Customer support answered my question quickly. Highly recommend for any traveller.
James
GotoeSIM Support
· 1 month ago So glad to hear this, Mateo! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – James 💜
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?