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 Uplus 5G SKTelecom 5G
Traveller reviews
Isabella W.
South Korea · Feb 2025
First time using an eSIM and it was painless in Japan & South Korea. I kept my normal number for calls while using this for data. A must-have for international travel.
Omar
GotoeSIM Support
· 1 year ago Thanks for sharing, Isabella! Great to know the setup was quick and easy. – Omar, GotoeSIM Support
Giulia H.
Saudi Arabia · Feb 2025
Saved me a fortune on my holiday. Setup instructions in the app were clear and simple.
Emma
GotoeSIM Support
· 1 year ago Cheers, Giulia! Wonderful to hear it worked smoothly in Japan & South Korea. – Emma, GotoeSIM Support
Olivia N.
UAE · Feb 2025
Did the job without any drama. Ran hotspot to my laptop with no issues. Exactly as described — no surprises.
Priya
GotoeSIM Support
· 1 year ago Really appreciate this, Olivia! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Priya 💜
Yuki F.
Thailand · Feb 2025
First time using an eSIM and it was painless in Japan & South Korea. Coverage was strong even outside the city. Zero regrets.
Laura
GotoeSIM Support
· 1 year ago So glad to hear this, Yuki! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. — Laura, GotoeSIM Support
Beatriz N.
Switzerland · Feb 2025
Solid overall, just wish there was a bit more data for the price.
Mark
GotoeSIM Support
· 1 year ago Thank you for taking the time, Beatriz. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Any questions, our team is at gotoesim.com/support. — Mark
Sophia B.
Canada · Feb 2025
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more. Telling my friends about this.
Mark
GotoeSIM Support
· 1 year ago Thanks for sharing, Sophia! So pleased it saved you from roaming bills. – Mark 💜
Sophia M.
Indonesia · Feb 2025
Connected the moment I landed. Ran hotspot to my laptop with no issues.
Omar
GotoeSIM Support
· 1 year ago Thanks a lot, Sophia! Delighted the speeds worked well for you. We're here whenever you travel again. — Omar, GotoeSIM Support
Sophia R.
Spain · Feb 2025
Honestly better than buying a local SIM at the airport. Signal held up well on trains and in rural areas. Made staying connected effortless.
Yuki
GotoeSIM Support
· 1 year ago Thank you for the kind words, Sophia! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Yuki, GotoeSIM Support
Elena R.
United Kingdom · Feb 2025
No more hunting for a SIM card kiosk on arrival. Activation was automatic when I arrived. Highly recommend for any traveller.
Sophie
GotoeSIM Support
· 1 year ago Thanks for sharing, Elena! Wonderful to hear it worked smoothly in Japan & South Korea. – Sophie 💜
Yuki D.
Italy · Feb 2025
First time using an eSIM and it was painless in Japan & South Korea. Signal held up well on trains and in rural areas. Telling my friends about this.
Priya
GotoeSIM Support
· 1 year ago Thanks for sharing, Yuki! Delighted the speeds worked well for you. Come back anytime! — Priya, GotoeSIM Support
Pablo S.
Portugal · Feb 2025
Installed in minutes by scanning the QR code. Data lasted the whole trip with room to spare. Will use GotoeSIM for my next trip for sure.
Sophie
GotoeSIM Support
· 1 year ago So glad to hear this, Pablo! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Sophie, GotoeSIM Support
Camila R.
Egypt · Feb 2025
Connected the moment I landed. I kept my normal number for calls while using this for data.
Omar
GotoeSIM Support
· 1 year ago Thanks a lot, Camila! So pleased it saved you from roaming bills. — Omar, GotoeSIM Support
Ryan M.
Singapore · Feb 2025
Decent speeds, though slower than I expected in a few spots.
Priya
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Ryan. We're constantly optimising speeds and coverage across Japan & South Korea. Reach us anytime at gotoesim.com/support if we can help. — Priya, GotoeSIM Support
Noah W.
Canada · Feb 2025
Worked fine but took a little while to connect at first. Streaming and video calls worked without buffering.
Sophie
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Noah. We're constantly optimising speeds and coverage across Japan & South Korea. Reach us anytime at gotoesim.com/support if we can help. — Sophie
Andre R.
Sweden · Jan 2025
Exactly what I needed for travelling. Signal held up well on trains and in rural areas. Would definitely buy again.
James
GotoeSIM Support
· 1 year ago Thank you for the kind words, Andre! So pleased it saved you from roaming bills. Come back anytime! – James, 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