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
Ananya D.
Japan · May 2025
Did the job without any drama. I kept my normal number for calls while using this for data. A must-have for international travel.
Diego
GotoeSIM Support
· 1 year ago Cheers, Ananya! So pleased it saved you from roaming bills. Enjoy your journeys! — Diego
Somchai M.
Brazil · May 2025
Honestly better than buying a local SIM at the airport. Coverage was strong even outside the city.
Mark
GotoeSIM Support
· 1 year ago So glad to hear this, Somchai! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! — Mark
Daniel B.
Mexico · May 2025
Exactly what I needed for travelling. Data lasted the whole trip with room to spare. Will use eSIM TopUp for my next trip for sure.
Laura
GotoeSIM Support
· 1 year ago So glad to hear this, Daniel! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Laura, eSIM TopUp Support
Sri S.
Japan · May 2025
Used this on my trip and it worked perfectly in Japan & South Korea. Topping up was straightforward when I needed more.
Laura
GotoeSIM Support
· 1 year ago Thanks a lot, Sri! So pleased it saved you from roaming bills. – Laura, eSIM TopUp Support
Mateo K.
Switzerland · May 2025
Bought it the night before my flight — smooth process. Speeds were solid for maps, messaging and browsing.
Anna
GotoeSIM Support
· 1 year ago Thanks a lot, Mateo! Love that you were online the moment you landed in Japan & South Korea. Safe travels, and see you on your next trip! — Anna
Carlos S.
Ireland · May 2025
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing. Highly recommend for any traveller.
Yuki
GotoeSIM Support
· 1 year ago Thank you for the kind words, Carlos! So happy the Japan & South Korea eSIM kept you connected. – Yuki, eSIM TopUp Support
Fatima H.
Vietnam · May 2025
Did the job without any drama in Japan & South Korea. I kept my normal number for calls while using this for data. Would definitely buy again.
Grace
GotoeSIM Support
· 1 year ago So glad to hear this, Fatima! Thrilled it made staying connected effortless. Come back anytime! — Grace
Lea G.
Vietnam · May 2025
Connected the moment I landed. Customer support answered my question quickly.
James
GotoeSIM Support
· 1 year ago Thanks for sharing, Lea! Great to know the setup was quick and easy. — James
Zoe N.
Mexico · May 2025
Used this on my trip and it worked perfectly. Setup instructions in the app were clear and simple. Exactly as described — no surprises.
Diego
GotoeSIM Support
· 1 year ago So glad to hear this, Zoe! Thrilled it made staying connected effortless. – Diego 💜
Chloe D.
Ireland · May 2025
Saved me a fortune on my holiday. Signal held up well on trains and in rural areas. Made staying connected effortless.
Emma
GotoeSIM Support
· 1 year ago Cheers, Chloe! Wonderful to hear it worked smoothly in Japan & South Korea. — Emma, eSIM TopUp Support
Carlos W.
Canada · May 2025
Exactly what I needed for travelling. Ran hotspot to my laptop with no issues. Exactly as described — no surprises.
Laura
GotoeSIM Support
· 1 year ago Cheers, Carlos! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. – Laura 💜
Ethan N.
Italy · May 2025
Used this on my trip and it worked perfectly. Ran hotspot to my laptop with no issues.
Mark
GotoeSIM Support
· 1 year ago So glad to hear this, Ethan! Great to know the setup was quick and easy. — Mark, eSIM TopUp Support
Lea V.
France · May 2025
Used this on my trip and it worked perfectly. Customer support answered my question quickly. Highly recommend for any traveller.
Yuki
GotoeSIM Support
· 1 year ago Really appreciate this, Lea! Great to know the setup was quick and easy. — Yuki
Wei R.
Sweden · May 2025
Good coverage in the city, a bit patchy in remote areas.
Omar
GotoeSIM Support
· 1 year ago Thank you for taking the time, Wei. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at esimtopup.io/support. – Omar, eSIM TopUp Support
Marco R.
United States · May 2025
Exactly what I needed for travelling. Customer support answered my question quickly. Will use eSIM TopUp for my next trip for sure.
Priya
GotoeSIM Support
· 1 year ago Thanks for sharing, Marco! Great to know the setup was quick and easy. – Priya 💜
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?