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
Thomas S.
Poland · Apr 2026
Connected the moment I landed. Activation was automatic when I arrived.
Anna
GotoeSIM Support
· 4 months ago Cheers, Thomas! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! – Anna, eSIM TopUp Support
Ingrid R.
India · Apr 2026
Good coverage in the city, a bit patchy in remote areas.
Ken
GotoeSIM Support
· 4 months ago Thank you for taking the time, Ingrid. 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. — Ken, eSIM TopUp Support
Lucia V.
New Zealand · Apr 2026
Great value compared to roaming charges in Japan & South Korea. Setup instructions in the app were clear and simple. Zero regrets.
David
GotoeSIM Support
· 4 months ago Really appreciate this, Lucia! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! – David 💜
Giulia V.
Mexico · Apr 2026
Install took me two tries but was fine after that.
Sara
GotoeSIM Support
· 4 months ago Appreciate you sharing this, Giulia. 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. – Sara 💜
Pablo M.
Germany · Mar 2026
First time using an eSIM and it was painless. Streaming and video calls worked without buffering. Telling my friends about this.
Omar
GotoeSIM Support
· 4 months ago Thanks a lot, Pablo! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. — Omar, eSIM TopUp Support
Priya S.
Poland · Mar 2026
Connected the moment I landed. Activation was automatic when I arrived. Zero regrets.
Diego
GotoeSIM Support
· 4 months ago Cheers, Priya! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! – Diego 💜
Anna P.
Singapore · Mar 2026
Exactly what I needed for travelling. Speeds were solid for maps, messaging and browsing. Made staying connected effortless.
Omar
GotoeSIM Support
· 4 months ago So glad to hear this, Anna! Thrilled it made staying connected effortless. We're here whenever you travel again. — Omar, eSIM TopUp Support
Louis K.
Turkey · Mar 2026
Connected the moment I landed. Setup instructions in the app were clear and simple.
Grace
GotoeSIM Support
· 4 months ago Thanks a lot, Louis! Thrilled it made staying connected effortless. Come back anytime! – Grace, eSIM TopUp Support
Omar V.
Netherlands · Mar 2026
Bought it the night before my flight — smooth process in Japan & South Korea. Signal held up well on trains and in rural areas.
Diego
GotoeSIM Support
· 4 months ago Thanks for sharing, Omar! So pleased it saved you from roaming bills. — Diego
Mei W.
India · Mar 2026
Exactly what I needed for travelling. Activation was automatic when I arrived.
Diego
GotoeSIM Support
· 4 months ago Really appreciate this, Mei! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Diego, eSIM TopUp Support
Aisha F.
Switzerland · Mar 2026
Honestly better than buying a local SIM at the airport. Data lasted the whole trip with room to spare. Exactly as described — no surprises.
Tom
GotoeSIM Support
· 4 months ago Really appreciate this, Aisha! Delighted the speeds worked well for you. – Tom, eSIM TopUp Support
Emma C.
Brazil · Mar 2026
First time using an eSIM and it was painless. Streaming and video calls worked without buffering. Will use eSIM TopUp for my next trip for sure.
Diego
GotoeSIM Support
· 4 months ago Thank you for the kind words, Emma! Great to know the setup was quick and easy. Enjoy your journeys! – Diego, eSIM TopUp Support
Diego R.
Egypt · Mar 2026
Great value compared to roaming charges. Data lasted the whole trip with room to spare.
Ken
GotoeSIM Support
· 4 months ago Thanks a lot, Diego! So happy the Japan & South Korea eSIM kept you connected. – Ken 💜
Linh N.
Indonesia · Mar 2026
Bought it the night before my flight — smooth process. Customer support answered my question quickly. Would definitely buy again.
Grace
GotoeSIM Support
· 4 months ago Really appreciate this, Linh! Love that you were online the moment you landed in Japan & South Korea. – Grace, eSIM TopUp Support
Lucia N.
Japan · Mar 2026
Saved me a fortune on my holiday in Japan & South Korea. Streaming and video calls worked without buffering. Zero regrets.
David
GotoeSIM Support
· 4 months ago So glad to hear this, Lucia! Love that you were online the moment you landed in Japan & South Korea. – David, 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?