Signal Ring gives blood pressure readings, better than an Apple Watch
Skip to main content
Toggle social menu
Toggle dark mode
Search for:
Submit
Toggle search form
Toggle dark mode
Apple Watch
Apple Health
Signal Ring
Signal Ring gives blood pressure readings, not just alerts like Apple Watch
Ben Lovejoy | Jul 16 2026 - 5:21 am PT
2 Comments
Five Apple Watch models are able to measure your blood pressure in order to generate alerts for possible hypertension. However, they do not provide your actual blood pressure readings.
A few smart rings and other fitness devices do so, but rely on regular calibration with a traditional cuff monitor. The upcoming Signal Ring says that it delivers full blood pressure measurements without any calibration, and that a trial of thousands of people backs the claim …
The ‘silent killer’
Both abnormally high blood pressure (hypertension) and low blood pressure (hypotension) can pose significant health risks.
Of the two, hypertension is the most dangerous, referred to as a "silent killer" because It can result in severe and irreversible damage to your arteries, heart and brain without any noticeable symptoms. The condition often isn’t discovered until it causes a heart attack or stroke.
For older people in particular, it’s good to monitor your blood pressure regularly, and you can buy home cuffs enabling you to do this. However, fully automatic monitoring via a fitness device you already wear would obviously be the ideal.
Apple Watch blood pressure capabilities
The introduction of watchOS 26 enables five Apple Watch models to measure blood pressure:
Apple Watch Series 11
Apple Watch Series 10
Apple Watch Series 9
Apple Watch Ultra 3
Apple Watch Ultra 2
However, these don’t give you any readings, but rather send you an alert if they detect signs of potential hypertension. Other devices like the Oura Ring work in a similar way.
There are fitness devices which do provide actual blood pressure readings, but they rely on being regularly calibrated against a reading taken with a blood pressure cuff.
There’s a new smart ring: the Signal Ring, and its focus is entirely on taking your blood pressure and giving you actual systolic and diastolic readings, which makes it different than Apple and Oura. @chriswelch takes a deep look. https://t.co/LiqWm28On4<br>— Mark Gurman (@markgurman) July 16, 2026
Signal Ring
Startup Vital Signals says it has now developed a smart ring that can measure blood pressure as accurately as a traditional arm cuff without the need for any calibration: the Signal Ring.
Bloomberg reports that its CEO, Tom Moss, said he founded the company after he almost died from undiagnosed hypertension.
“Fundamentally, there’s almost no real way for you to truly know your blood pressure as a consumer, and it’s kind of crazy,” said Moss, who previously worked at drone maker Skydio Inc. and hardware manufacturers Razer Inc. and Nextbit Systems before his health scare inspired a move into health.
The ring goes on pre-sale later today for delivery in October, priced at $399. No subscription is required. Both live blood pressure readings and tracking over time are displayed in a companion app (shown above).
It’s worth noting that the Oura Ring doesn’t yet have clearance from the US Food and Drug Administration, but clinical trials show that it produced accurate blood pressure readings for thousands of participants.
Interestingly, Moss isn’t trying to sell the ring to everyone. He says the specialist capabilities are best suited to older people and those who have been advised by their doctor that they are at risk of hypertension, implying that the Signal Ring falls short in other areas, like sleep tracking.
For younger, less-at-risk individuals or anyone confident their blood pressure is healthy, he has other advice: “Just buy an Oura or an Apple Watch.”
Apple Watch Series 11
Official Apple Store on Amazon
Discounted AirPods Pro 3
Wireless CarPlay adapter
AirTag holders and accessories
Mac Pro-style Mac mini casing
NordVPN – privacy-first VPN with no logs and independent audits to verify
FTC: We use income earning auto affiliate links. More.
You’re reading 9to5Mac — experts who break news about Apple and its surrounding ecosystem, day after day. Be sure to check out our homepage for all the latest news, and follow 9to5Mac on Twitter, Facebook, and LinkedIn to stay in the loop. Don’t know where to start? Check out our exclusive stories, reviews, how-tos, and subscribe to our YouTube channel
Featured
from 9to5Mac<br>9to5Mac Logo
CarPlay now works with over 120 popular iPhone apps
Zac Hall
Jul 15 2026
Apple Store launches 2026 Back to School offer: get up to $150 gift card with Mac or iPad purchase
Benjamin Mayo
Jul 16 2026
AppleCare+ gets a price increase for new Mac and iPad plans
Marcus Mendes
Jul 15 2026
AirPods just got a long-requested feature in new public beta
Chance Miller
Jul 15 2026
Check out 9to5Mac on YouTube for more...