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
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 💜
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
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 💜
Mateo W.
Ireland · Apr 2025
Connected the moment I landed. Topping up was straightforward when I needed more. Highly recommend for any traveller.
Priya
GotoeSIM Support
· 1 year ago So glad to hear this, Mateo! So pleased it saved you from roaming bills. — Priya, eSIM TopUp Support
Olivia T.
Brazil · Apr 2025
Super easy to set up before I flew out. Speeds were solid for maps, messaging and browsing. A must-have for international travel.
Ken
GotoeSIM Support
· 1 year ago Thanks a lot, Olivia! Thrilled it made staying connected effortless. Come back anytime! – Ken, eSIM TopUp Support
Priya W.
Ireland · Apr 2025
First time using an eSIM and it was painless in Japan & South Korea. Ran hotspot to my laptop with no issues. Great experience overall.
Sophie
GotoeSIM Support
· 1 year ago Really appreciate this, Priya! Thrilled it made staying connected effortless. Enjoy your journeys! – Sophie, eSIM TopUp Support
Arjun G.
Malaysia · Apr 2025
Bought it the night before my flight — smooth process in Japan & South Korea. Signal held up well on trains and in rural areas. Exactly as described — no surprises.
Laura
GotoeSIM Support
· 1 year ago Thanks a lot, Arjun! So happy the Japan & South Korea eSIM kept you connected. – Laura 💜
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?