The short answer
You are an American on AT&T or Verizon, heading for Hong Kong on a stopover, a holiday or a month of work. I read both carriers' day-pass pages on 1 November 2026 and set them against the five travel eSIMs and Ringo Light, priced on 29 October 2026. For a single day I would roam. From 3 days up I would buy Ringo Light, and I would keep my own SIM in the phone for calls.
Unlimited data at full speed for 2 weeks at $26.99 or 30 days at $45.99, paid once, nothing renews. Airalo asks $49 for 15 days and $71 for the month.
10 GB for 30 days at $14 and 25 GB at $26 on SmarTone. Its week is 20 GB at full speed for $23, then 2 Mbps.
A stopover plan at $12.50, 3 GB a day at full speed, then 1 Mbps, on the HKT network.
Days, not gigabytes: $13.50 for 3 days and $27.90 for a week, with sharing from the phone limited to 1 GB a day.
Prices read on 29 October 2026: Airalo, Holafly, Saily, Nomad, Ubigi, AT&T, Ringo Light, Verizon 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, 29 October 2026. The rivals sell 15 days, Ringo Light 2 weeks. Ubigi's 15 days is 30 GB at full speed, then 2 Mbps. Nomad sells no unlimited past 10 days.
The 30-day plan at each brand. Ubigi's month is 60 GB at full speed, then 2 Mbps. Nomad stops at 10 days.
Holafly sells no buckets. Ringo Light sells no bucket either: its 2 weeks is unlimited and lasts 2 weeks, not 30 days.
Side by side
Swipe to compare →
Get Ringo Light for Hong Kong, from $9.99.
Installed once, next to your own SIM. Your eSIM arrives by email in seconds.
- 3 days $9.99
- 2 weeks $26.99
- 30 days $45.99
We sell data eSIMs for now to fund the full Ringo service. Ringo is self funded. Every plan bought here pays for the build of one plan that works everywhere.
Want to keep your own number abroad?
That is the full Ringo service: one plan that works everywhere, with your own number included.
It is a separate product from Ringo Light and it is still being built, so it is not on sale yet. Join the waitlist to hear when it opens.
What to see in Hong Kong, and what your phone needs for it
Eight places most first trips include, from Victoria Peak to the fishing village of Tai O, with the one thing your data does for you at each. The city is dense and well covered, and the signal only thins out on the trails.
Roam with your carrier, or buy an eSIM
AT&T's International Day Pass is $12 a day on land, read 1 November 2026. Its destination list names Hong Kong and prints no price beside it, so $12 is the page's general land rate. Three days is $36, two weeks of daily use is $168 and a month is $360. Verizon's TravelPass countries list shows Hong Kong at $12 per day on the same date. Ringo Light is $9.99 for 3 days, $26.99 for 2 weeks and $45.99 for 30 days, unlimited data at full speed, paid once.
Ringo Light is the lower price on every length: $26.01 under on 3 days, $141.01 under on two weeks and $314.01 under on a month. Among the other eSIMs, Ubigi asks $39 for 15 days of 30 GB at full speed, Saily $48.99 and Airalo $49. For a month Ubigi asks $55 and Airalo $71. For 3 days, Airalo asks $12.50.
The carrier wins what a data eSIM cannot. Your own number keeps ringing, calls and texts are included, nothing needs installing and no eSIM slot is required. Both bill only for days the phone is used in Hong Kong, so a day of meetings is $12. For that single day I would roam. Ringo Light starts at 3 days, so from the second day the pass is already the dearer way.
AT&T adds $6 a day for each additional line used on the same day. A couple travelling together pay $18 a day on the pass, against $53.98 for two fortnights of Ringo Light.
Networks in Hong Kong, and what changes for a visitor from the United States
Hong Kong has four mobile networks: csl, run by HKT, SmarTone, 3 Hong Kong and China Mobile Hong Kong. All four cover the streets, the MTR, the Star Ferry and the airport well, and the signal thins on the country park trails and the far side of Lantau. In the table, Airalo rides HKT, Nomad China Mobile Hong Kong and csl, and Ubigi SmarTone. Holafly and Saily do not name a network, and Ringo Light rides a local partner network.
No Hong Kong plan, Ringo Light included, goes past the border with Shenzhen, and none covers Macau. If the trip continues there, I would look at a regional plan before you fly.
For a visitor, what changes is the billing. The carriers charge per day of use, on the line you already pay for. Verizon says each 24-hour session carries 5 GB at high speed, then unlimited data at 3G speeds. AT&T describes unlimited high-speed data when the pass is added to an eligible unlimited plan, names no daily cap on land, and says speed varies by destination. Neither page shows a monthly plan, so I read the month as thirty days at $12.
If you want a data bucket: Ubigi or Nomad
- Ubigi, $14 for 10 GB. The cheapest 10 GB for 30 days, on SmarTone. Its 20 GB at $18 a month renews, so I would use the one-off 25 GB for 30 days at $26.
- Nomad, $16 for 10 GB. On China Mobile Hong Kong and csl. It sells no 20 GB for 30 days; 20 GB for 45 days is $27.
- Airalo, $18 for 10 GB. Its Hkmobile plan on HKT, with 20 GB for $29.
- Saily, $19.99 for 10 GB. 20 GB at $36.99. That listing is dated 4 October, because saily.com refused the fetch.
- ✓Ringo Light, no buckets. Its 2 weeks is unlimited at $26.99 and its 30 days unlimited at $45.99. For 10 GB that lasts a month, the four brands above are all cheaper, and so are they for 20 GB. Buy Ringo Light for unlimited, not for a bucket.
What Ringo Light is
I should say where I stand: Ringo Light is the data eSIM of the company I write for. It is sold to fund the full Ringo, one plan that works everywhere with your own number ported onto it. For Hong Kong it sells three trips, all unlimited data at full speed: 3 days at $9.99, 2 weeks at $26.99 and 30 days at $45.99. Nothing renews. The eSIM arrives by email and installs in one scan, no app.
It sits next to your own SIM, so your number still rings for calls and texts if you leave roaming on for those, which both carriers include. I would put the data on the eSIM and let the carrier take the calls.
The card to buy it is further up this page, just after the side-by-side table.
Pick by trip
I would roam at $12. It is the one case where I would not look at anything else.
I would buy Ringo Light at $9.99, against $36 on the pass and $12.50 at Airalo.
I would buy Ringo Light at $26.99, against $168 on either day pass and $39 to $50.50 at the rivals.
I would buy Ringo Light at $45.99. The carriers come to $360, and the cheapest rival month is Ubigi at $55.
Ubigi 10 GB for 30 days at $14, if you will mostly use maps and the MTR app.
I would keep the carrier SIM in the phone with roaming on for those, and run the data on Ringo Light.
Frequently asked questions
How we compared, and our sources
Airalo, Holafly, Saily, Nomad, Ubigi, AT&T, Ringo Light, Verizon, Ringo Light
We priced Airalo, Holafly, Saily, Nomad, Ubigi and Ringo Light for Hong Kong on 29 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: Maya Mobile. We could not read its own prices for this country on the day, so it stays out rather than being guessed.
- Airalo: www.airalo.com/hong-kong-esim?currency=USD, unlimited and network in dollars on the site, 29 October 2026; buckets from esimdb.com/hong-kong/airalo, listing dated 26 October 2026
- Holafly: esim.holafly.com/esim-hong-kong/, prices in dollars on the site, 29 October 2026
- Saily: esimdb.com/hong-kong/saily, listing dated 4 October 2026; saily.com refused the fetch on 29 October 2026
- Nomad: www.nomadesim.com/hong-kong-esim, dollar prices and the 2 GB a day cap as read on the esimdb listing dated 20 September 2026; on 29 October 2026 nomadesim.com did not show dollar prices to a normal request, so they were not re-read; networks from the page
- Ubigi: cellulardata.ubigi.com/destinations/hong-kong/, 10 GB and network on the site, 29 October 2026; other plans from esimdb.com/hong-kong/ubigi, listing dated 28 October 2026
- AT&T: www.att.com/international/day-pass/, International Day Pass price, additional lines and what it includes, with the destination list at att.com/support/article/wireless/KM1395068/ naming Hong Kong, read 1 November 2026
- Ringo Light: ringoesim.com/hong-kong, the catalogue the checkout charges, read the same day
- Verizon: www.verizon.com/support/travelpass-faqs/, TravelPass FAQ for the daily price, the 5 GB allowance, sessions and billing on days used, and the TravelPass countries list at verizon.com/plans/travelpass-countries/ for Hong Kong at $12 per day, read 1 November 2026
- Ringo Light: our own catalogue, the prices the checkout charges on 29 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.
