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
Beatriz N.
United Kingdom · Nov 2025
First time using an eSIM and it was painless in Japan & South Korea. Coverage was strong even outside the city. Exactly as described — no surprises.
Diego
GotoeSIM Support
· 8 months ago So glad to hear this, Beatriz! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! — Diego, eSIM TopUp Support
Emma P.
Turkey · Nov 2025
Great value compared to roaming charges. Setup instructions in the app were clear and simple. Zero regrets.
Priya
GotoeSIM Support
· 8 months ago Thanks a lot, Emma! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! — Priya
Nadia K.
Japan · Nov 2025
Exactly what I needed for travelling. Ran hotspot to my laptop with no issues. Made staying connected effortless.
Grace
GotoeSIM Support
· 8 months ago Really appreciate this, Nadia! Thrilled it made staying connected effortless. Enjoy your journeys! – Grace 💜
Daniel H.
Poland · Nov 2025
First time using an eSIM and it was painless. Streaming and video calls worked without buffering.
Anna
GotoeSIM Support
· 8 months ago Thanks a lot, Daniel! Great to know the setup was quick and easy. Come back anytime! – Anna, eSIM TopUp Support
Lucas N.
Egypt · Nov 2025
Super easy to set up before I flew out. Topping up was straightforward when I needed more.
Ingrid
GotoeSIM Support
· 8 months ago Thanks a lot, Lucas! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! — Ingrid
Fatima K.
UAE · Nov 2025
Bought it the night before my flight — smooth process. Streaming and video calls worked without buffering. Highly recommend for any traveller.
Tom
GotoeSIM Support
· 8 months ago Thanks for sharing, Fatima! Great to know the setup was quick and easy. We're here whenever you travel again. – Tom, eSIM TopUp Support
Carlos C.
Canada · Nov 2025
Honestly better than buying a local SIM at the airport. I kept my normal number for calls while using this for data. Telling my friends about this.
Omar
GotoeSIM Support
· 8 months ago Thanks a lot, Carlos! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! – Omar, eSIM TopUp Support
Aisha T.
South Korea · Nov 2025
Installed in minutes by scanning the QR code in Japan & South Korea. Streaming and video calls worked without buffering. Telling my friends about this.
Omar
GotoeSIM Support
· 8 months ago Really appreciate this, Aisha! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. — Omar
Daniel F.
Thailand · Nov 2025
Exactly what I needed for travelling. Topping up was straightforward when I needed more. Great experience overall.
Sophie
GotoeSIM Support
· 8 months ago Cheers, Daniel! So pleased it saved you from roaming bills. Enjoy your journeys! — Sophie
Viktor K.
Thailand · Nov 2025
Exactly what I needed for travelling. Speeds were solid for maps, messaging and browsing. Made staying connected effortless.
Priya
GotoeSIM Support
· 8 months ago Thanks for sharing, Viktor! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! — Priya, eSIM TopUp Support
Sarah R.
Australia · Nov 2025
First time using an eSIM and it was painless in Japan & South Korea. Data lasted the whole trip with room to spare. Made staying connected effortless.
Ingrid
GotoeSIM Support
· 8 months ago Really appreciate this, Sarah! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! — Ingrid, eSIM TopUp Support
Sofia F.
UAE · Nov 2025
Installed in minutes by scanning the QR code. Ran hotspot to my laptop with no issues. Made staying connected effortless.
Omar
GotoeSIM Support
· 8 months ago So glad to hear this, Sofia! Love that you were online the moment you landed in Japan & South Korea. — Omar, eSIM TopUp Support
Nadia H.
Spain · Nov 2025
Bought it the night before my flight — smooth process. Streaming and video calls worked without buffering.
David
GotoeSIM Support
· 8 months ago Thank you for the kind words, Nadia! Thrilled it made staying connected effortless. Come back anytime! – David, eSIM TopUp Support
Arjun D.
Indonesia · Nov 2025
Used this on my trip and it worked perfectly. Activation was automatic when I arrived in Japan & South Korea. Highly recommend for any traveller.
Grace
GotoeSIM Support
· 9 months ago Really appreciate this, Arjun! Delighted the speeds worked well for you. – Grace, eSIM TopUp Support
Daniel S.
New Zealand · Nov 2025
Used this on my trip and it worked perfectly. Setup instructions in the app were clear and simple.
Anna
GotoeSIM Support
· 9 months ago So glad to hear this, Daniel! Love that you were online the moment you landed in Japan & South Korea. — Anna
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?