Japan & South Korea eSIM — reviews & details
Japan & South Korea 1GB 7Days · 1 GB · 7 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea LG U+ 5G SKTelecom 5G
Traveller reviews
Sri K.
Switzerland · Feb 2026
Great value compared to roaming charges. Coverage was strong even outside the city.
Grace
GotoeSIM Support
· 5 months ago Thank you for the kind words, Sri! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! – Grace, GotoeSIM Support
Ethan M.
South Korea · Feb 2026
Did the job without any drama. Data lasted the whole trip with room to spare. Made staying connected effortless.
David
GotoeSIM Support
· 5 months ago Thank you so much, Ethan! Great to know the setup was quick and easy. — David, GotoeSIM Support
Camila C.
Philippines · Feb 2026
Super easy to set up before I flew out. Coverage was strong even outside the city. Exactly as described — no surprises.
Grace
GotoeSIM Support
· 5 months ago Thank you for the kind words, Camila! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! — Grace
Lea T.
Germany · Feb 2026
Exactly what I needed for travelling in Japan & South Korea. Setup instructions in the app were clear and simple.
Omar
GotoeSIM Support
· 5 months ago Thank you for the kind words, Lea! Thrilled it made staying connected effortless. – Omar 💜
Min-jun P.
Ireland · Feb 2026
Saved me a fortune on my holiday in Japan & South Korea. Streaming and video calls worked without buffering. A must-have for international travel.
Laura
GotoeSIM Support
· 5 months ago Thanks a lot, Min-jun! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – Laura 💜
Anna P.
United States · Feb 2026
Did the job without any drama in Japan & South Korea. I kept my normal number for calls while using this for data. Would definitely buy again.
Yuki
GotoeSIM Support
· 5 months ago Cheers, Anna! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Yuki, GotoeSIM Support
Sven G.
Australia · Feb 2026
Great value compared to roaming charges. Ran hotspot to my laptop with no issues. Highly recommend for any traveller.
Omar
GotoeSIM Support
· 5 months ago Thank you for the kind words, Sven! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Omar, GotoeSIM Support
Linh D.
South Korea · Feb 2026
Great value compared to roaming charges. Topping up was straightforward when I needed more. Exactly as described — no surprises.
Sara
GotoeSIM Support
· 5 months ago Thank you so much, Linh! So pleased it saved you from roaming bills. Enjoy your journeys! — Sara
Camila B.
Netherlands · Feb 2026
Good coverage in the city, a bit patchy in remote areas.
Sara
GotoeSIM Support
· 5 months ago Appreciate you sharing this, Camila. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at gotoesim.com/support. – Sara, GotoeSIM Support
Thomas S.
Turkey · Feb 2026
Installed in minutes by scanning the QR code in Japan & South Korea. Ran hotspot to my laptop with no issues. Telling my friends about this.
Grace
GotoeSIM Support
· 5 months ago Cheers, Thomas! So happy the Japan & South Korea eSIM kept you connected. — Grace
Thomas G.
Australia · Feb 2026
Super easy to set up before I flew out. The QR code arrived instantly by email.
Sara
GotoeSIM Support
· 5 months ago Cheers, Thomas! So pleased it saved you from roaming bills. – Sara 💜
Sofia W.
Indonesia · Feb 2026
No more hunting for a SIM card kiosk on arrival. Coverage was strong even outside the city. A must-have for international travel.
Mark
GotoeSIM Support
· 5 months ago Really appreciate this, Sofia! Delighted the speeds worked well for you. Wishing you many more connected adventures! – Mark 💜
Noah P.
Japan · Feb 2026
Connected the moment I landed. Setup instructions in the app were clear and simple. Highly recommend for any traveller.
Sophie
GotoeSIM Support
· 5 months ago Really appreciate this, Noah! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Sophie, GotoeSIM Support
Hugo L.
Switzerland · 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. Would definitely buy again.
Ingrid
GotoeSIM Support
· 5 months ago Thank you for the kind words, Hugo! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! – Ingrid 💜
Carlos D.
Mexico · Feb 2026
Decent speeds, though slower than I expected in a few spots. Topping up was straightforward when I needed more.
Emma
GotoeSIM Support
· 5 months ago So sorry to hear this, Carlos. We'd love the chance to make this right. Please contact us at gotoesim.com/support and we'll sort it out. — Emma
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 1GB 7Days plan costs $2.03 for 1 GB over 7 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 GotoeSIM 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
Carlos P. · 2 months ago
Can I top up the same eSIM instead of buying a new one?
Yes Carlos, you can top up the same eSIM anytime — no need to buy a new one. — Sara, GotoeSIM Support
Hana V. · 4 months ago
Is 5G supported or just 4G?
Yes Hana, 5G is supported where the local network offers it, otherwise fast 4G. – Laura, GotoeSIM Support
Aisha N. · 5 months ago
Is roaming charged extra or is it all included?
No surprise fees, Aisha! Roaming is part of the plan and never billed separately. — Mark
Louis G. · 5 months ago
How long does the QR code take to arrive after payment?
Your QR code arrives instantly, Louis — within seconds of payment, by email and in your account. – Grace, GotoeSIM Support
Wei L. · 5 months ago
Do I need to install it before I travel or after I arrive?
Install on Wi-Fi before you fly, Wei — it switches on when you land. — Priya
Priya R. · 8 months ago
Can I use it in nearby countries too?
For nearby countries, Priya, a regional plan may suit you better — happy to help you pick. — Ken, GotoeSIM Support
Lucia P. · 9 months ago
Does this work on an iPhone 13?
Yes Lucia, it works on iPhone XS and newer — just add the eSIM under Settings › Cellular › Add eSIM. – Omar 💜
Lucas D. · 9 months ago
How do I check how much data I have left?
You can check remaining data anytime in the GotoeSIM app under My eSIMs, Lucas. – Ingrid, GotoeSIM Support
Katya C. · 10 months ago
Which networks does this connect to?
You'll be on top local networks, Katya — full details are on the plan page under Coverage. – Tom 💜
Somchai B. · 11 months ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Somchai! Add it via SIM manager and you're set. – Yuki, GotoeSIM Support
Yuki P. · 11 months ago
Does the validity start on purchase or on first use?
The clock starts on first use in-country, Yuki, so buying early is totally fine. — Sophie, GotoeSIM Support
Priya S. · 1 year ago
Will this keep my WhatsApp active with my home number?
Yes Priya, WhatsApp keeps working with your home number — the eSIM only carries data. — James, GotoeSIM Support