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
Chloe T.
India · Nov 2025
Honestly better than buying a local SIM at the airport. The QR code arrived instantly by email. Highly recommend for any traveller.
Mark
GotoeSIM Support
· 9 months ago So glad to hear this, Chloe! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! — Mark, eSIM TopUp Support
Hana R.
Vietnam · Nov 2025
Bought it the night before my flight — smooth process. Speeds were solid for maps, messaging and browsing.
Laura
GotoeSIM Support
· 9 months ago Really appreciate this, Hana! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! — Laura
Sophia R.
Malaysia · Nov 2025
Super easy to set up before I flew out. I kept my normal number for calls while using this for data.
Omar
GotoeSIM Support
· 9 months ago Thank you for the kind words, Sophia! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. — Omar
Camila M.
United Kingdom · Nov 2025
Bought it the night before my flight — smooth process in Japan & South Korea. Ran hotspot to my laptop with no issues.
James
GotoeSIM Support
· 9 months ago Thank you so much, Camila! Thrilled it made staying connected effortless. We're here whenever you travel again. – James 💜
Lea M.
Japan · Nov 2025
Honestly better than buying a local SIM at the airport. Setup instructions in the app were clear and simple.
Sara
GotoeSIM Support
· 9 months ago Thank you for the kind words, Lea! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! – Sara 💜
Sven C.
Australia · Nov 2025
Super easy to set up before I flew out. Customer support answered my question quickly. Highly recommend for any traveller.
Laura
GotoeSIM Support
· 9 months ago So glad to hear this, Sven! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Laura, eSIM TopUp Support
Elena M.
Brazil · Oct 2025
Connected the moment I landed. Setup instructions in the app were clear and simple. Highly recommend for any traveller.
Ken
GotoeSIM Support
· 9 months ago Thanks for sharing, Elena! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! – Ken, eSIM TopUp Support
Ji-woo L.
Italy · Oct 2025
Great value compared to roaming charges. Activation was automatic when I arrived. Would definitely buy again.
Laura
GotoeSIM Support
· 9 months ago So glad to hear this, Ji-woo! Thrilled it made staying connected effortless. — Laura, eSIM TopUp Support
Noah T.
Malaysia · Oct 2025
Super easy to set up before I flew out in Japan & South Korea. The QR code arrived instantly by email. Would definitely buy again.
Anna
GotoeSIM Support
· 9 months ago Thanks a lot, Noah! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Anna 💜
Aisha G.
Canada · Oct 2025
Connected the moment I landed. Setup instructions in the app were clear and simple. Telling my friends about this.
David
GotoeSIM Support
· 9 months ago Really appreciate this, Aisha! Great to know the setup was quick and easy. We're here whenever you travel again. – David 💜
Sofia C.
Ireland · Oct 2025
Great value compared to roaming charges. Activation was automatic when I arrived. Five stars from me.
Emma
GotoeSIM Support
· 9 months ago Thank you so much, Sofia! Thrilled it made staying connected effortless. Come back anytime! — Emma, eSIM TopUp Support
Ethan C.
Thailand · Oct 2025
First time using an eSIM and it was painless. The QR code arrived instantly by email. Five stars from me.
Ken
GotoeSIM Support
· 9 months ago So glad to hear this, Ethan! So pleased it saved you from roaming bills. — Ken
Camila K.
Mexico · Oct 2025
Installed in minutes by scanning the QR code. Activation was automatic when I arrived. Zero regrets.
James
GotoeSIM Support
· 9 months ago Thank you so much, Camila! Great to know the setup was quick and easy. Come back anytime! — James, eSIM TopUp Support
Ryan P.
Poland · Oct 2025
Saved me a fortune on my holiday in Japan & South Korea. Customer support answered my question quickly. Zero regrets.
Mark
GotoeSIM Support
· 9 months ago Really appreciate this, Ryan! Delighted the speeds worked well for you. – Mark 💜
Sarah W.
UAE · Oct 2025
Connected the moment I landed. Setup instructions in the app were clear and simple. Highly recommend for any traveller.
David
GotoeSIM Support
· 9 months ago Thanks a lot, Sarah! Delighted the speeds worked well for you. We're here whenever you travel again. – David 💜
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?