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Japan & South Korea eSIM — reviews & details

Japan & South Korea 5GB 30Days · 5 GB · 30 days

View plan & buy — $9.75
4.5

620 reviews

5 ★ 63%
4 ★ 28%
3 ★ 7%
2 ★ 1%
1 ★ 1%

Coverage & networks

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

Traveller reviews

All 5★ 4★ 3★ 2★ 1★
K

Katya V.

Egypt · Nov 2024

✓ Verified

Connected the moment I landed. Streaming and video calls worked without buffering. Will use eSIM TopUp for my next trip for sure.

Laura Laura eSIM TopUp Support · 1 year ago

Thanks for sharing, Katya! Love that you were online the moment you landed in Japan & South Korea. — Laura, eSIM TopUp Support

L

Louis H.

Germany · Nov 2024

✓ Verified

First time using an eSIM and it was painless. Streaming and video calls worked without buffering. Telling my friends about this.

Tom Tom eSIM TopUp Support · 1 year ago

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

S

Sven G.

Italy · Nov 2024

✓ Verified

Exactly what I needed for travelling. Data lasted the whole trip with room to spare.

Ingrid Ingrid eSIM TopUp Support · 1 year ago

Thanks for sharing, Sven! Great to know the setup was quick and easy. Enjoy your journeys! — Ingrid

S

Sri R.

New Zealand · Nov 2024

✓ Verified

Connected the moment I landed. Coverage was strong even outside the city. Made staying connected effortless.

Yuki Yuki eSIM TopUp Support · 1 year ago

So glad to hear this, Sri! So pleased it saved you from roaming bills. – Yuki 💜

G

Giulia V.

Malaysia · Nov 2024

✓ Verified

Saved me a fortune on my holiday. The QR code arrived instantly by email. Would definitely buy again.

Ken Ken eSIM TopUp Support · 1 year ago

Thank you so much, Giulia! Delighted the speeds worked well for you. We're here whenever you travel again. – Ken, eSIM TopUp Support

R

Ravi T.

Spain · Nov 2024

✓ Verified

First time using an eSIM and it was painless. Speeds were solid for maps, messaging and browsing. Telling my friends about this.

Tom Tom eSIM TopUp Support · 1 year ago

So glad to hear this, Ravi! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Tom, eSIM TopUp Support

A

Aisha M.

Japan · Nov 2024

✓ Verified

Installed in minutes by scanning the QR code in Japan & South Korea. Ran hotspot to my laptop with no issues. Highly recommend for any traveller.

Sophie Sophie eSIM TopUp Support · 1 year ago

Really appreciate this, Aisha! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! — Sophie

N

Nadia P.

Sweden · Nov 2024

✓ Verified

First time using an eSIM and it was painless. Ran hotspot to my laptop with no issues. Highly recommend for any traveller.

Diego Diego eSIM TopUp Support · 1 year ago

Really appreciate this, Nadia! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. – Diego, eSIM TopUp Support

E

Elena T.

United States · Nov 2024

✓ Verified

Install took me two tries but was fine after that. Customer support answered my question quickly.

Omar Omar eSIM TopUp Support · 1 year ago

Thank you for taking the time, Elena. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. — Omar, eSIM TopUp Support

P

Priya M.

Sweden · Nov 2024

✓ Verified

Saved me a fortune on my holiday in Japan & South Korea. Data lasted the whole trip with room to spare.

Grace Grace eSIM TopUp Support · 1 year ago

Thanks a lot, Priya! Great to know the setup was quick and easy. — Grace, eSIM TopUp Support

E

Emma H.

Vietnam · Nov 2024

✓ Verified

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

David David eSIM TopUp Support · 1 year ago

Really appreciate this, Emma! Thrilled it made staying connected effortless. — David, eSIM TopUp Support

P

Priya R.

Italy · Nov 2024

✓ Verified

No more hunting for a SIM card kiosk on arrival. Signal held up well on trains and in rural areas. Exactly as described — no surprises.

Sophie Sophie eSIM TopUp Support · 1 year ago

Cheers, Priya! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. — Sophie, eSIM TopUp Support

E

Ethan D.

France · Nov 2024

✓ Verified

Saved me a fortune on my holiday in Japan & South Korea. Streaming and video calls worked without buffering.

Laura Laura eSIM TopUp Support · 1 year ago

Really appreciate this, Ethan! Wonderful to hear it worked smoothly in Japan & South Korea. – Laura 💜

N

Nadia R.

Switzerland · Nov 2024

✓ Verified

Great value compared to roaming charges. The QR code arrived instantly by email. Telling my friends about this.

David David eSIM TopUp Support · 1 year ago

Really appreciate this, Nadia! Great to know the setup was quick and easy. Come back anytime! – David, eSIM TopUp Support

S

Sri B.

Mexico · Nov 2024

✓ Verified

Saved me a fortune on my holiday. Coverage was strong even outside the city. Will use eSIM TopUp for my next trip for sure.

Sophie Sophie eSIM TopUp Support · 1 year ago

Thanks a lot, Sri! Great to know the setup was quick and easy. — Sophie, eSIM TopUp Support

Frequently asked questions

How much does the Japan & South Korea eSIM cost?

The Japan & South Korea 5GB 30Days plan costs $9.75 for 5 GB over 30 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

E

Emma M. · 2 months ago

Can I use this for hotspot/tethering?

A

Andre H. · 2 months ago

Is 5G supported or just 4G?

E

Elena H. · 3 months ago

Thanks, installed with no problems on my Samsung.

A

Arjun N. · 4 months ago

How do I check how much data I have left?

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Lucia L. · 4 months ago

Will this keep my WhatsApp active with my home number?

M

Mohammed P. · 6 months ago

Which networks does this connect to?

K

Katya C. · 7 months ago

Can I use it in nearby countries too?

L

Liam G. · 7 months ago

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

E

Emma C. · 7 months ago

Great guide, the setup steps were really helpful.

K

Katya K. · 9 months ago

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

L

Lea N. · 1 year ago

Does the validity start on purchase or on first use?

M

Marco N. · 1 year ago

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