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
Nguyen M.
Spain · Jul 2025
Bought it the night before my flight — smooth process. Topping up was straightforward when I needed more. Highly recommend for any traveller.
Ingrid
GotoeSIM Support
· 1 year ago Really appreciate this, Nguyen! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – Ingrid 💜
Somchai V.
Portugal · Jun 2025
Great value compared to roaming charges. Topping up was straightforward when I needed more. Highly recommend for any traveller.
Sara
GotoeSIM Support
· 1 year ago Thank you so much, Somchai! So pleased it saved you from roaming bills. – Sara 💜
Sven D.
Germany · Jun 2025
Bought it the night before my flight — smooth process. Setup instructions in the app were clear and simple. Will use eSIM TopUp for my next trip for sure.
Tom
GotoeSIM Support
· 1 year ago Thanks a lot, Sven! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Tom, eSIM TopUp Support
Noah B.
France · Jun 2025
Super easy to set up before I flew out. Activation was automatic when I arrived. Highly recommend for any traveller.
Yuki
GotoeSIM Support
· 1 year ago Thank you for the kind words, Noah! Thrilled it made staying connected effortless. We're here whenever you travel again. – Yuki, eSIM TopUp Support
Olivia B.
Japan · Jun 2025
Exactly what I needed for travelling. Streaming and video calls worked without buffering.
Anna
GotoeSIM Support
· 1 year ago Really appreciate this, Olivia! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Anna 💜
Min-jun F.
Indonesia · Jun 2025
Installed in minutes by scanning the QR code in Japan & South Korea. Data lasted the whole trip with room to spare.
David
GotoeSIM Support
· 1 year ago Thank you so much, Min-jun! Thrilled it made staying connected effortless. – David 💜
Arjun V.
Australia · Jun 2025
Connected the moment I landed. Signal held up well on trains and in rural areas. Zero regrets.
Ken
GotoeSIM Support
· 1 year ago Really appreciate this, Arjun! Love that you were online the moment you landed in Japan & South Korea. – Ken 💜
Lucia V.
Philippines · Jun 2025
Worked fine but took a little while to connect at first.
David
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Lucia. We're constantly optimising speeds and coverage across Japan & South Korea. Reach us anytime at esimtopup.io/support if we can help. – David 💜
Sven W.
Indonesia · Jun 2025
Great value compared to roaming charges. Coverage was strong even outside the city. Great experience overall.
Ingrid
GotoeSIM Support
· 1 year ago Thank you for the kind words, Sven! Delighted the speeds worked well for you. — Ingrid, eSIM TopUp Support
Hugo P.
Brazil · Jun 2025
Bought it the night before my flight — smooth process. Topping up was straightforward when I needed more. Would definitely buy again.
Sara
GotoeSIM Support
· 1 year ago Thanks for sharing, Hugo! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! – Sara 💜
Olivia F.
Poland · Jun 2025
Install took me two tries but was fine after that.
David
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Olivia. Good to hear it did the job, and we're working to make it even better. Reach us anytime at esimtopup.io/support if we can help. — David, eSIM TopUp Support
Lucas S.
South Korea · Jun 2025
Saved me a fortune on my holiday. Ran hotspot to my laptop with no issues. A must-have for international travel.
Laura
GotoeSIM Support
· 1 year ago Thanks a lot, Lucas! Great to know the setup was quick and easy. – Laura, eSIM TopUp Support
Sven F.
Ireland · Jun 2025
Solid overall, just wish there was a bit more data for the price.
Tom
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Sven. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Reach us anytime at esimtopup.io/support if we can help. – Tom, eSIM TopUp Support
Noah B.
Saudi Arabia · Jun 2025
Solid overall, just wish there was a bit more data for the price. Setup instructions in the app were clear and simple.
Diego
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Noah. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. — Diego
Linh S.
France · Jun 2025
Used this on my trip and it worked perfectly. Customer support answered my question quickly. Highly recommend for any traveller.
Tom
GotoeSIM Support
· 1 year ago So glad to hear this, Linh! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Tom, eSIM TopUp Support
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?