Go To eSIM
Sign up

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

A

Aisha G.

Canada · Oct 2025

✓ Verified

Connected the moment I landed. Setup instructions in the app were clear and simple. Telling my friends about this.

David David GotoeSIM Support · 9 months ago

Really appreciate this, Aisha! Great to know the setup was quick and easy. We're here whenever you travel again. – David 💜

E

Ethan C.

Thailand · Oct 2025

✓ Verified

First time using an eSIM and it was painless. The QR code arrived instantly by email. Five stars from me.

Ken Ken GotoeSIM Support · 9 months ago

So glad to hear this, Ethan! So pleased it saved you from roaming bills. — Ken

C

Camila K.

Mexico · Oct 2025

✓ Verified

Installed in minutes by scanning the QR code. Activation was automatic when I arrived. Zero regrets.

James James GotoeSIM Support · 9 months ago

Thank you so much, Camila! Great to know the setup was quick and easy. Come back anytime! — James, eSIM TopUp Support

R

Ryan P.

Poland · Oct 2025

✓ Verified

Saved me a fortune on my holiday in Japan & South Korea. Customer support answered my question quickly. Zero regrets.

Mark Mark GotoeSIM Support · 9 months ago

Really appreciate this, Ryan! Delighted the speeds worked well for you. – Mark 💜

A

Ananya G.

Philippines · Oct 2025

✓ Verified

Did the job without any drama. I kept my normal number for calls while using this for data. Zero regrets.

Tom Tom GotoeSIM Support · 9 months ago

Thank you so much, Ananya! Delighted the speeds worked well for you. — Tom, eSIM TopUp Support

S

Sarah C.

Brazil · Oct 2025

✓ Verified

Honestly better than buying a local SIM at the airport. Topping up was straightforward when I needed more. Will use eSIM TopUp for my next trip for sure.

Yuki Yuki GotoeSIM Support · 9 months ago

Thank you so much, Sarah! Thrilled it made staying connected effortless. Enjoy your journeys! — Yuki, eSIM TopUp Support

A

Arjun C.

Brazil · Oct 2025

✓ Verified

First time using an eSIM and it was painless. I kept my normal number for calls while using this for data. Zero regrets.

Omar Omar GotoeSIM Support · 10 months ago

Thank you so much, Arjun! Wonderful to hear it worked smoothly in Japan & South Korea. — Omar

O

Olivia S.

Indonesia · Oct 2025

✓ Verified

Bought it the night before my flight — smooth process. Activation was automatic when I arrived. Zero regrets.

David David GotoeSIM Support · 10 months ago

Thank you so much, Olivia! Thrilled it made staying connected effortless. — David, eSIM TopUp Support

K

Kenji C.

Japan · Oct 2025

✓ Verified

Great value compared to roaming charges in Japan & South Korea. Topping up was straightforward when I needed more. Exactly as described — no surprises.

Emma Emma GotoeSIM Support · 10 months ago

Cheers, Kenji! Great to know the setup was quick and easy. – Emma 💜

N

Noah P.

Netherlands · Oct 2025

✓ Verified

Installed in minutes by scanning the QR code. Activation was automatic when I arrived. Exactly as described — no surprises.

Laura Laura GotoeSIM Support · 10 months ago

Thank you so much, Noah! Love that you were online the moment you landed in Japan & South Korea. – Laura, eSIM TopUp Support

L

Lucas K.

Switzerland · Oct 2025

✓ Verified

Did the job without any drama. Coverage was strong even outside the city.

Laura Laura GotoeSIM Support · 10 months ago

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

P

Priya H.

Mexico · Oct 2025

✓ Verified

Honestly better than buying a local SIM at the airport in Japan & South Korea. Topping up was straightforward when I needed more. Would definitely buy again.

David David GotoeSIM Support · 10 months ago

Thanks for sharing, Priya! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! — David, eSIM TopUp Support

R

Ryan W.

Canada · Oct 2025

✓ Verified

Did the job without any drama. Customer support answered my question quickly.

Emma Emma GotoeSIM Support · 10 months ago

Thank you so much, Ryan! Love that you were online the moment you landed in Japan & South Korea. Safe travels, and see you on your next trip! – Emma 💜

R

Ravi R.

Netherlands · Oct 2025

✓ Verified

Saved me a fortune on my holiday. Customer support answered my question quickly.

Anna Anna GotoeSIM Support · 10 months ago

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

H

Haruto H.

Japan · Oct 2025

✓ Verified

First time using an eSIM and it was painless in Japan & South Korea. Topping up was straightforward when I needed more.

Sara Sara GotoeSIM Support · 10 months ago

Thanks for sharing, Haruto! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Sara, 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

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?