The short answer
Ringo Light is cheaper than Airalo for South Korea at every length it sells: $9.99 against $12 for 3 days, $22.99 for 2 weeks against $49 for 15 days, $35.99 against $69 for 30 days, unlimited data at full speed where Airalo gives 3 GB a day. Airalo wins where Ringo Light has nothing to sell: a 7-day plan at $29, 10 GB for $19, 20 GB for $30, and SK Telecom named on the box.
Unlimited data at full speed for 3 days at $9.99, 2 weeks at $22.99 or 30 days at $35.99, nothing renews, no app. Airalo asks $12, $49 for 15 days and $69 for the month.
7 days of unlimited at $29, 10 GB for 30 days at $19, 20 GB at $30, all on SK Telecom. Its app shows your balance. Ringo Light sells none of those lengths or sizes.
Prices read on 25 October 2026: Airalo, Ringo Light on their own sites or listings, Ringo Light from its catalogue. All in US dollars unless stated. Treat every number as a snapshot.
See the full price index for every country.
Travelling further? Compare the best eSIM for Asia and the eSIM for Asia-Pacific.
The prices, charted
US dollars, 25 October 2026. Airalo sells 15 days, Ringo Light 2 weeks. Airalo is 3 GB a day at full speed, then 1 Mbps; Ringo Light is unlimited data at full speed.
The 30-day plan at each brand. Ringo Light is unlimited data at full speed. Airalo slows to 1 Mbps after 3 GB a day.
Ringo Light sells no bucket: its 2 weeks is unlimited and lasts 2 weeks, not 30 days. For a fixed 10 GB that lasts a month, Airalo is the cheaper of the two.
Side by side
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Airalo vs Ringo Light in one paragraph
Ringo Light is cheaper than Airalo for South Korea at every length it sells. Three days of unlimited is $9.99 against $12. Two weeks is $22.99 against $49 for Airalo's 15 days. A month is $35.99 against $69. Ringo Light is unlimited data at full speed; Airalo gives 3 GB a day at full speed, then 1 Mbps. Airalo wins where Ringo Light has nothing on the shelf: a 7-day plan at $29, a 10 GB bucket at $19, 20 GB at $30, SK Telecom named on the plan, and an app that shows your balance. Pick Airalo for a week, for a small bucket, or if you want to know the network before you land. Pick Ringo Light for 3 days, two weeks or a month of unlimited at the lowest price of the two.
Price: the same trip at each
Priced on 25 October 2026, in US dollars, from Airalo's own site and from the Ringo catalogue the checkout charges. For 3 days of unlimited, Airalo asks $12 and Ringo Light $9.99. For two weeks, Airalo sells 15 days at $49 and Ringo Light 2 weeks at $22.99, less than half. For 30 days, $69 at Airalo and $35.99 at Ringo Light.
Airalo's 7-day plan is $29. Ringo Light sells no 7-day plan for Korea. Its 2 weeks at $22.99 still costs less than Airalo's week, with a week of days left over, but if you want to pay for exactly seven days, Airalo is the only one of the two that sells them.
For a fixed amount of data, Airalo is the only one of the two that sells it: 10 GB for 30 days at $19, 20 GB at $30. Ringo Light sells no buckets. If 10 GB is all you need and you want it to last a month, Airalo at $19 is cheaper than Ringo Light's 2 weeks at $22.99, and we would rather you read that here than at checkout. The 10 GB chart above shows that row with Airalo on top.
What unlimited means at each
Airalo's unlimited for South Korea, the Jjang plan, gives 3 GB a day at full speed, then slows to 1 Mbps for the rest of the day. That covers Naver Map, KakaoTalk and an hour or two of video; a long evening of streaming in HD on hotel wifi that keeps dropping will hit it. Ringo Light is unlimited data at full speed for the whole 3 days, 2 weeks or 30 days, with no daily figure. Fair use policy, see Terms.
Networks and coverage in South Korea
South Korea has three networks: SK Telecom, KT and LG U+. All three cover Seoul, Busan, Jeju and the KTX lines, and Korea has some of the fastest 5G in the world on all three. Airalo's own page names SK Telecom, the largest of the three. Ringo Light rides a local partner network, which it does not name. If knowing the network before you land matters to you, that is a row Airalo wins.
Installation, app and support
Airalo's app is optional for Korea: you can buy on its site and install from the details it sends, but the app is where you see your balance and top up, and where its support chat lives. Ringo Light needs no app; the eSIM arrives by email in seconds and installs in one scan of the QR code, and support is by email. Whichever you pick, install it at home before you fly and switch it on for data when you land at Incheon or Gimhae.
What Ringo Light is, and what it is not
Ringo Light is our own data eSIM, sold to fund the full Ringo, one plan that works everywhere with your own number ported onto it. For South Korea it sells three trips, all unlimited data at full speed: 3 days at $9.99, 2 weeks at $22.99 and 30 days at $35.99. One payment, nothing renews, no app.
What it is not: it sells no buckets, no 7-day plan and no phone number. It is data only. Calls go over apps that use data. If you want 10 GB for a month, Airalo at $19 is the better buy. If you want exactly a week, Airalo at $29 is the only one of the two that sells one.
The full comparison for South Korea, with Holafly, Nomad and Ubigi priced the same day, is at /blog/best-esim-for-south-korea. The card to buy Ringo Light is further up this page, just after the side-by-side table.
Which to pick
- Airalo, if you want a bucket. 10 GB for 30 days at $19, 20 GB at $30. Ringo Light sells no bucket.
- Airalo, if you want exactly a week. $29 for 7 days of unlimited, 3 GB a day at full speed. Ringo Light sells no 7-day plan; its 2 weeks is $22.99.
- Airalo, if you want SK Telecom by name. Its Jjang plan names the network. Ringo Light names a local partner network only.
- ✓Ringo Light, if the trip is 3 days, two weeks or a month. Unlimited data at full speed at $9.99, $22.99 or $35.99, cheaper than Airalo at each of those lengths.
Pick by trip
Ringo Light unlimited, 3 days, $9.99, against $12 at Airalo.
Airalo unlimited, 7 days, $29, 3 GB a day at full speed. Ringo Light sells no 7-day plan; its 2 weeks is $22.99 if you would rather have the days spare.
Ringo Light unlimited, 2 weeks, $22.99, against $49 at Airalo for 15 days.
Ringo Light unlimited, 30 days, $35.99, against $69 at Airalo, which slows to 1 Mbps after 3 GB a day.
Airalo 10 GB for 30 days at $19. Ringo Light sells no bucket.
Frequently asked questions
How we compared, and our sources
Airalo, Ringo Light, Ringo Light
We priced Airalo and Ringo Light for South Korea on 25 October 2026, all on the same day, in US dollars. Each rival's price comes from its own website where it showed dollars, otherwise from an esimdb.com listing, and every source and its date is listed below. Ringo Light's prices come from the catalogue our checkout charges.
We compare the trips people actually book: a week, two weeks and a month of unlimited data, and a 10 GB bucket. We read each brand's fair use and speed rules and quote them as the brands state them. We did not run speed tests, so this page makes no speed claims for any brand.
Ringo Light is our own product. We put it in the table on the same terms as everyone else, and where a rival is the better buy the page says so.
Left out: Holafly, Nomad, Ubigi and Saily. They sell South Korea too and are priced on the same day in the full comparison at /blog/best-esim-for-south-korea (Saily is left out there as well, because its prices could not be read on 22 October). This page answers one question, Airalo or Ringo Light, so it keeps to those two.
- Airalo: www.airalo.com/south-korea-esim?currency=USD, unlimited read on the site in dollars, 25 October 2026; buckets from the esimdb listing dated 4 October 2026
- Ringo Light: ringoesim.com/south-korea, the catalogue the checkout charges, read the same day
- Ringo Light: our own catalogue, the prices the checkout charges on 25 October 2026.
Written and priced by the Ringo team. Prices change often; if you spot one that has moved, tell us through the contact page and we will update the table.
