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Japan & South Korea eSIM — reviews & details

Japan & South Korea 10GB/Day · 10 GB/day · 1 days

View plan & buy — $14.18
4.5

620 reviews

5 ★ 64%
4 ★ 28%
3 ★ 6%
2 ★ 2%
1 ★ 0%

Coverage & networks

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

Traveller reviews

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Linh F.

India · Nov 2025

✓ Verified

Saved me a fortune on my holiday. Streaming and video calls worked without buffering.

Tom Tom GotoeSIM Support · 8 months ago

Thank you for the kind words, Linh! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Tom, eSIM TopUp Support

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Linh L.

Germany · Nov 2025

✓ Verified

No more hunting for a SIM card kiosk on arrival. Speeds were solid for maps, messaging and browsing.

Laura Laura GotoeSIM Support · 8 months ago

So glad to hear this, Linh! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Laura

M

Mei B.

United Kingdom · Nov 2025

✓ Verified

Did the job without any drama. I kept my normal number for calls while using this for data. Made staying connected effortless.

Diego Diego GotoeSIM Support · 8 months ago

Thank you for the kind words, Mei! Delighted the speeds worked well for you. — Diego

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Ava V.

Italy · Nov 2025

✓ Verified

Did the job without any drama. Activation was automatic when I arrived. Made staying connected effortless.

Emma Emma GotoeSIM Support · 8 months ago

Thank you for the kind words, Ava! Delighted the speeds worked well for you. — Emma

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Aisha V.

Spain · Nov 2025

✓ Verified

Honestly better than buying a local SIM at the airport. Streaming and video calls worked without buffering. Zero regrets.

David David GotoeSIM Support · 8 months ago

Thank you so much, Aisha! Great to know the setup was quick and easy. Come back anytime! – David, eSIM TopUp Support

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Hugo W.

Portugal · Nov 2025

✓ Verified

Super easy to set up before I flew out in Japan & South Korea. Setup instructions in the app were clear and simple. A must-have for international travel.

Sara Sara GotoeSIM Support · 8 months ago

Thanks for sharing, Hugo! Wonderful to hear it worked smoothly in Japan & South Korea. Come back anytime! – Sara 💜

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Lucas P.

Sweden · Nov 2025

✓ Verified

Did the job without any drama. Signal held up well on trains and in rural areas.

Ingrid Ingrid GotoeSIM Support · 8 months ago

Thanks a lot, Lucas! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! — Ingrid

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Arjun W.

United States · Nov 2025

✓ Verified

No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more. Highly recommend for any traveller.

Grace Grace GotoeSIM Support · 8 months ago

Thanks a lot, Arjun! Delighted the speeds worked well for you. — Grace, eSIM TopUp Support

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Priya P.

United Kingdom · Nov 2025

✓ Verified

Super easy to set up before I flew out. Topping up was straightforward when I needed more. Telling my friends about this.

Ken Ken GotoeSIM Support · 8 months ago

Thanks for sharing, Priya! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. — Ken

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Marco H.

Philippines · Nov 2025

✓ Verified

Saved me a fortune on my holiday. Topping up was straightforward when I needed more.

Ingrid Ingrid GotoeSIM Support · 9 months ago

Really appreciate this, Marco! Thrilled it made staying connected effortless. Enjoy your journeys! — Ingrid, eSIM TopUp Support

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Somchai R.

South Korea · Nov 2025

✓ Verified

Super easy to set up before I flew out. Activation was automatic when I arrived. Exactly as described — no surprises.

Tom Tom GotoeSIM Support · 9 months ago

Thank you so much, Somchai! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Tom

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Ji-woo W.

Spain · Nov 2025

✓ Verified

No more hunting for a SIM card kiosk on arrival. Streaming and video calls worked without buffering.

Laura Laura GotoeSIM Support · 9 months ago

Thanks a lot, Ji-woo! So pleased it saved you from roaming bills. — Laura

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Ryan L.

Mexico · Nov 2025

✓ Verified

Super easy to set up before I flew out in Japan & South Korea. Speeds were solid for maps, messaging and browsing. Five stars from me.

Mark Mark GotoeSIM Support · 9 months ago

Thanks for sharing, Ryan! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Mark, eSIM TopUp Support

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Haruto G.

Poland · Nov 2025

✓ Verified

Saved me a fortune on my holiday. I kept my normal number for calls while using this for data. Would definitely buy again.

Mark Mark GotoeSIM Support · 9 months ago

Thanks for sharing, Haruto! Thrilled it made staying connected effortless. We're here whenever you travel again. — Mark

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Elena T.

Saudi Arabia · Nov 2025

✓ Verified

Bought it the night before my flight — smooth process. Streaming and video calls worked without buffering. Will use eSIM TopUp for my next trip for sure.

Diego Diego GotoeSIM Support · 9 months ago

So glad to hear this, Elena! Thrilled it made staying connected effortless. Enjoy your journeys! — Diego, eSIM TopUp Support

Frequently asked questions

How much does the Japan & South Korea eSIM cost?

The Japan & South Korea 10GB/Day plan costs $14.18 for 10 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

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Sven N. · 4 weeks ago

Which networks does this connect to?

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Ryan W. · 2 months ago

Does the validity start on purchase or on first use?

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Fatima G. · 3 months ago

Can I use this for hotspot/tethering?

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James C. · 4 months ago

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

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Ji-woo H. · 6 months ago

Is 5G supported or just 4G?

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Sven S. · 6 months ago

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

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Zoe G. · 7 months ago

Is roaming charged extra or is it all included?

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Lea F. · 7 months ago

How do I check how much data I have left?

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Omar P. · 9 months ago

Can I use it in nearby countries too?

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Thomas M. · 10 months ago

Does this work on an iPhone 13?

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Pablo B. · 1 year ago

Great guide, the setup steps were really helpful.

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Mohammed N. · 1 year ago

Thanks, installed with no problems on my Samsung.