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Japan & South Korea eSIM — reviews & details

Japan & South Korea 1GB/Day · 1 GB/day · 1 days

View plan & buy — $2.03
4.5

620 reviews

5 ★ 64%
4 ★ 25%
3 ★ 8%
2 ★ 2%
1 ★ 2%

Coverage & networks

  • Japan KDDI/au 5G
  • South Korea SKTelecom 5G LG Uplus 5G

Traveller reviews

G

Giulia G.

Philippines · Apr 2025

✓ Verified

Decent speeds, though slower than I expected in a few spots.

Grace Grace GotoeSIM Support · 1 year ago

Thank you for taking the time, Giulia. Good to hear it did the job, and we're working to make it even better. Reach us anytime at esimtopup.io/support if we can help. — Grace

M

Mateo P.

Indonesia · Apr 2025

✓ Verified

Saved me a fortune on my holiday. Ran hotspot to my laptop with no issues.

Diego Diego GotoeSIM Support · 1 year ago

So glad to hear this, Mateo! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Diego, eSIM TopUp Support

L

Liam W.

Philippines · Apr 2025

✓ Verified

Connected the moment I landed in Japan & South Korea. Data lasted the whole trip with room to spare. Would definitely buy again.

Tom Tom GotoeSIM Support · 1 year ago

Thank you so much, Liam! Wonderful to hear it worked smoothly in Japan & South Korea. – Tom, eSIM TopUp Support

F

Fatima N.

United States · Apr 2025

✓ Verified

Solid overall, just wish there was a bit more data for the price. Customer support answered my question quickly.

Priya Priya GotoeSIM Support · 1 year ago

Apologies for the trouble, Fatima. That's not the experience we want for Japan & South Korea. Please contact us at esimtopup.io/support and we'll sort it out. – Priya, eSIM TopUp Support

T

Thomas M.

Ireland · Apr 2025

✓ Verified

Great value compared to roaming charges. Data lasted the whole trip with room to spare. Will use eSIM TopUp for my next trip for sure.

David David GotoeSIM Support · 1 year ago

Thanks a lot, Thomas! Thrilled it made staying connected effortless. Wishing you many more connected adventures! — David

M

Mateo R.

Egypt · Apr 2025

✓ Verified

Did the job without any drama. Data lasted the whole trip with room to spare. Great experience overall.

James James GotoeSIM Support · 1 year ago

Thanks for sharing, Mateo! Wonderful to hear it worked smoothly in Japan & South Korea. – James, eSIM TopUp Support

N

Noah V.

Portugal · Apr 2025

✓ Verified

Bought it the night before my flight — smooth process. Coverage was strong even outside the city.

Sara Sara GotoeSIM Support · 1 year ago

So glad to hear this, Noah! Delighted the speeds worked well for you. — Sara

D

Diego L.

Switzerland · Apr 2025

✓ Verified

Great value compared to roaming charges. The QR code arrived instantly by email. Made staying connected effortless.

Emma Emma GotoeSIM Support · 1 year ago

Thanks a lot, Diego! Thrilled it made staying connected effortless. Come back anytime! – Emma 💜

G

Giulia C.

Spain · Mar 2025

✓ Verified

Great value compared to roaming charges. Activation was automatic when I arrived. Telling my friends about this.

Sophie Sophie GotoeSIM Support · 1 year ago

Thanks a lot, Giulia! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. – Sophie 💜

D

Diego B.

Malaysia · Mar 2025

✓ Verified

No more hunting for a SIM card kiosk on arrival in Japan & South Korea. Coverage was strong even outside the city. A must-have for international travel.

Ken Ken GotoeSIM Support · 1 year ago

So glad to hear this, Diego! So happy the Japan & South Korea eSIM kept you connected. – Ken, eSIM TopUp Support

B

Budi T.

Germany · Mar 2025

✓ Verified

Honestly better than buying a local SIM at the airport. I kept my normal number for calls while using this for data.

Sara Sara GotoeSIM Support · 1 year ago

So glad to hear this, Budi! Love that you were online the moment you landed in Japan & South Korea. – Sara, eSIM TopUp Support

N

Nadia L.

Indonesia · Mar 2025

✓ Verified

Great value compared to roaming charges in Japan & South Korea. Coverage was strong even outside the city. Telling my friends about this.

David David GotoeSIM Support · 1 year ago

Thanks a lot, Nadia! Wonderful to hear it worked smoothly in Japan & South Korea. – David, eSIM TopUp Support

A

Andre P.

Philippines · Mar 2025

✓ Verified

Did the job without any drama. Streaming and video calls worked without buffering. Great experience overall.

Omar Omar GotoeSIM Support · 1 year ago

So glad to hear this, Andre! Love that you were online the moment you landed in Japan & South Korea. — Omar, eSIM TopUp Support

K

Katya C.

Mexico · Mar 2025

✓ Verified

Used this on my trip and it worked perfectly. The QR code arrived instantly by email.

Ken Ken GotoeSIM Support · 1 year ago

Thank you for the kind words, Katya! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! – Ken, eSIM TopUp Support

R

Ryan N.

Turkey · Mar 2025

✓ Verified

Did the job without any drama in Japan & South Korea. Streaming and video calls worked without buffering.

Diego Diego GotoeSIM Support · 1 year ago

Really appreciate this, Ryan! Thrilled it made staying connected effortless. Wishing you many more connected adventures! — Diego

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

M

Marco K. · 1 week ago

How long does the QR code take to arrive after payment?

B

Beatriz S. · 1 month ago

Does this work on an iPhone 13?

B

Budi D. · 3 months ago

Will this keep my WhatsApp active with my home number?

L

Lucas P. · 4 months ago

Is 5G supported or just 4G?

G

Grace B. · 6 months ago

Thanks, installed with no problems on my Samsung.

L

Liam L. · 6 months ago

Does the validity start on purchase or on first use?

B

Beatriz V. · 8 months ago

Which networks does this connect to?

H

Haruto G. · 9 months ago

Is roaming charged extra or is it all included?

R

Ryan N. · 9 months ago

Can I use it in nearby countries too?

A

Ava B. · 10 months ago

Do I need to install it before I travel or after I arrive?

C

Camila P. · 11 months ago

Can I top up the same eSIM instead of buying a new one?

S

Sofia B. · 11 months ago

Can I use this for hotspot/tethering?