🇯🇵 Japan vs 🇰🇷 South Korea eSIM

Travelling to both? You don't need two SIMs. One Silent eSIM works in Japan and South Korea — your USD balance is charged at each country's local rate.

Bottom line

South Korea is about 41% cheaper per GB than Japan on Silent eSIM. Both share the same eSIM, the same balance, and the same install — pricing just differs by country.

Get connected for both

Japan vs South Korea: what changes?

Continent
Asia
Asia
Cheapest operator
KDDI Corporation
KT
Silent eSIM price
$2.76/GB
$1.64/GB
Coverage
Auto-roams across local networks
Auto-roams across local networks
Install
Same QR
Same QR
Balance
Never expires
Never expires

FAQ

Do I need two eSIMs for Japan and South Korea?+

No. One Silent eSIM works in both countries (and 200+ more). The eSIM auto-connects to the cheapest local network on arrival.

Which is cheaper, Japan or South Korea?+

South Korea is roughly 41% cheaper per GB on Silent eSIM. Prices update as wholesale rates change.

Do I have to top up twice?+

No. Your USD balance is shared across every country. Top up once and use the balance wherever you travel.

Is the install different between countries?+

No. You scan one QR and the same eSIM profile follows you across borders. Nothing to reinstall when you cross from Japan to South Korea.