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
Chloe R.
Switzerland · May 2026
First time using an eSIM and it was painless. Activation was automatic when I arrived in Japan & South Korea. Exactly as described — no surprises.
Sara
GotoeSIM Support
· 2 months ago Thank you for the kind words, Chloe! Delighted the speeds worked well for you. — Sara
Thomas K.
Netherlands · May 2026
Connected the moment I landed. Ran hotspot to my laptop with no issues. Five stars from me.
Mark
GotoeSIM Support
· 2 months ago So glad to hear this, Thomas! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! — Mark, GotoeSIM Support
Ingrid F.
Philippines · May 2026
No more hunting for a SIM card kiosk on arrival. Coverage was strong even outside the city. Great experience overall.
Mark
GotoeSIM Support
· 2 months ago Cheers, Ingrid! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Mark 💜
Ryan P.
Indonesia · May 2026
Used this on my trip and it worked perfectly. Signal held up well on trains and in rural areas. Great experience overall.
Diego
GotoeSIM Support
· 2 months ago Thanks for sharing, Ryan! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Diego
Carlos C.
Singapore · May 2026
Bought it the night before my flight — smooth process. Streaming and video calls worked without buffering.
Sophie
GotoeSIM Support
· 2 months ago Thank you so much, Carlos! Wonderful to hear it worked smoothly in Japan & South Korea. Come back anytime! — Sophie, GotoeSIM Support
Sarah K.
Switzerland · Apr 2026
No more hunting for a SIM card kiosk on arrival. Data lasted the whole trip with room to spare.
Diego
GotoeSIM Support
· 2 months ago Cheers, Sarah! Great to know the setup was quick and easy. — Diego
Noah V.
Netherlands · Apr 2026
Connected the moment I landed. The QR code arrived instantly by email. Great experience overall.
Sara
GotoeSIM Support
· 2 months ago Thanks for sharing, Noah! Love that you were online the moment you landed in Japan & South Korea. Safe travels, and see you on your next trip! – Sara 💜
Budi F.
Portugal · Apr 2026
Connected the moment I landed. Activation was automatic when I arrived. Made staying connected effortless.
Yuki
GotoeSIM Support
· 3 months ago Thank you so much, Budi! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! — Yuki, GotoeSIM Support
Marco M.
Indonesia · Apr 2026
Bought it the night before my flight — smooth process. Ran hotspot to my laptop with no issues.
Ken
GotoeSIM Support
· 3 months ago Thanks for sharing, Marco! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! — Ken, GotoeSIM Support
Hugo K.
France · Apr 2026
Bought it the night before my flight — smooth process. Activation was automatic when I arrived.
James
GotoeSIM Support
· 3 months ago Thank you so much, Hugo! Great to know the setup was quick and easy. – James, GotoeSIM Support
Lea R.
United Kingdom · Apr 2026
Worked fine but took a little while to connect at first. Ran hotspot to my laptop with no issues.
Omar
GotoeSIM Support
· 3 months ago Thank you for taking the time, Lea. 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. — Omar
Ava M.
Germany · Apr 2026
Installed in minutes by scanning the QR code. I kept my normal number for calls while using this for data. Made staying connected effortless.
Mark
GotoeSIM Support
· 3 months ago Thank you for the kind words, Ava! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! – Mark, GotoeSIM Support
Sofia H.
Thailand · Apr 2026
Good coverage in the city, a bit patchy in remote areas.
Diego
GotoeSIM Support
· 3 months ago Thanks for the honest feedback, Sofia. Good to hear it did the job, and we're working to make it even better. Reach us anytime at gotoesim.com/support if we can help. — Diego, GotoeSIM Support
Somchai F.
Poland · Apr 2026
No more hunting for a SIM card kiosk on arrival. Speeds were solid for maps, messaging and browsing. Zero regrets.
Yuki
GotoeSIM Support
· 3 months ago Thanks a lot, Somchai! Delighted the speeds worked well for you. Wishing you many more connected adventures! – Yuki 💜
Sophia V.
Canada · Apr 2026
First time using an eSIM and it was painless. Setup instructions in the app were clear and simple. Will use GotoeSIM for my next trip for sure.
Diego
GotoeSIM Support
· 3 months ago Thank you for the kind words, Sophia! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! – Diego, GotoeSIM Support
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