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
Aisha M.
Mexico · Jun 2025
Good coverage in the city, a bit patchy in remote areas.
Omar
GotoeSIM Support
· 1 year ago Thank you for taking the time, Aisha. We're constantly optimising speeds and coverage across Japan & South Korea. Reach us anytime at esimtopup.io/support if we can help. – Omar 💜
Giulia G.
Mexico · Jun 2025
Honestly better than buying a local SIM at the airport. Setup instructions in the app were clear and simple. Exactly as described — no surprises.
Mark
GotoeSIM Support
· 1 year ago So glad to hear this, Giulia! Love that you were online the moment you landed in Japan & South Korea. – Mark 💜
Kenji F.
Canada · Jun 2025
Bought it the night before my flight — smooth process. Activation was automatic when I arrived.
Laura
GotoeSIM Support
· 1 year ago Thanks for sharing, Kenji! So pleased it saved you from roaming bills. We're here whenever you travel again. – Laura, eSIM TopUp Support
Budi N.
Thailand · Jun 2025
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare. Would definitely buy again.
Emma
GotoeSIM Support
· 1 year ago Thanks for sharing, Budi! So pleased it saved you from roaming bills. Come back anytime! – Emma, eSIM TopUp Support
Liam G.
United Kingdom · Jun 2025
Super easy to set up before I flew out. Activation was automatic when I arrived in Japan & South Korea. Telling my friends about this.
Omar
GotoeSIM Support
· 1 year ago Thank you so much, Liam! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! — Omar, eSIM TopUp Support
Thomas S.
Singapore · Jun 2025
Exactly what I needed for travelling. Ran hotspot to my laptop with no issues. Would definitely buy again.
Tom
GotoeSIM Support
· 1 year ago Thanks for sharing, Thomas! Love that you were online the moment you landed in Japan & South Korea. – Tom 💜
Nadia F.
Indonesia · Jun 2025
Great value compared to roaming charges. Streaming and video calls worked without buffering.
Omar
GotoeSIM Support
· 1 year ago Thank you for the kind words, Nadia! Thrilled it made staying connected effortless. Enjoy your journeys! — Omar, eSIM TopUp Support
Liam W.
Egypt · Jun 2025
Installed in minutes by scanning the QR code. Speeds were solid for maps, messaging and browsing. Great experience overall.
Mark
GotoeSIM Support
· 1 year ago So glad to hear this, Liam! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Mark, eSIM TopUp Support
Aisha C.
Canada · Jun 2025
Saved me a fortune on my holiday in Japan & South Korea. Ran hotspot to my laptop with no issues. Five stars from me.
Yuki
GotoeSIM Support
· 1 year ago Cheers, Aisha! So pleased it saved you from roaming bills. Enjoy your journeys! — Yuki
Wei N.
Portugal · Jun 2025
Installed in minutes by scanning the QR code. Topping up was straightforward when I needed more. A must-have for international travel.
Emma
GotoeSIM Support
· 1 year ago Thanks for sharing, Wei! Great to know the setup was quick and easy. — Emma, eSIM TopUp Support
Grace M.
Thailand · Jun 2025
No more hunting for a SIM card kiosk on arrival. Data lasted the whole trip with room to spare.
David
GotoeSIM Support
· 1 year ago Thank you so much, Grace! Thrilled it made staying connected effortless. — David
Carlos V.
Turkey · Jun 2025
Saved me a fortune on my holiday. Speeds were solid for maps, messaging and browsing. Exactly as described — no surprises.
Diego
GotoeSIM Support
· 1 year ago Really appreciate this, Carlos! So pleased it saved you from roaming bills. Enjoy your journeys! – Diego, eSIM TopUp Support
Min-jun F.
Egypt · Jun 2025
Good coverage in the city, a bit patchy in remote areas. Signal held up well on trains and in rural areas.
Emma
GotoeSIM Support
· 1 year ago We're really sorry, Min-jun. We'd love the chance to make this right. Please contact us at esimtopup.io/support and we'll sort it out. — Emma, eSIM TopUp Support
Carlos P.
UAE · Jun 2025
Install took me two tries but was fine after that.
Priya
GotoeSIM Support
· 1 year ago We're really sorry, Carlos. We'd love the chance to make this right. Reach our team at esimtopup.io/support so we can help right away. – Priya, eSIM TopUp Support
Sofia F.
Japan · May 2025
Did the job without any drama. Data lasted the whole trip with room to spare. Will use eSIM TopUp for my next trip for sure.
Sara
GotoeSIM Support
· 1 year ago Thank you so much, Sofia! Delighted the speeds worked well for you. Enjoy your journeys! – Sara, 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?