Apple says Live Rewind needs a deliberate double press, plays a chime, shows a microphone indicator, and removes its text snippet soon after.
watchos 27
Apple Watch Ultra 4 Drops GLONASS: What the GPS Change Means
Apple Watch Ultra 4 lists GPS, Galileo, QZSS, and BeiDou in its connectivity specs, but GLONASS is missing from the published list.
Apple Watch Series 6 or Older: What Upgrading Costs in 2026, and Which Watch to Pick
If you are wearing an Apple Watch Series 6 or older, watchOS 27 will not install on it on Monday, September 14. Apple’s replacement lineup is three watches: SE 3 from $249, Series 12 from $399 and Ultra 4 from $799. Apple Watch Series 12 in 42mm and 46mm, the $399 middle option. Image: Apple…
Apple Watch SE 3 vs Apple Watch Series 11: The Same S10 Chip for $150 Less
Apple Watch SE 3 sells for $249 and Apple Watch Series 11 arrived in September 2025 at $399, and Apple lists the same S10 chip in both. What the extra $150 bought was a larger and much brighter display, six more hours of rated battery life and two heart sensors the SE does not have.…
Does the Apple Watch Series 12 Measure Blood Pressure? No, and Here Is What It Does Instead
No. The Apple Watch Series 12 does not measure blood pressure, and Apple has never said it does. There is no cuff, no systolic or diastolic reading, and no blood pressure sensor anywhere on the sensor list Apple publishes for the watch. The Readiness score is one of the features fed by the more frequent…
Apple Watch by Activity: The Right Pick for Swimmers, Hikers, Runners and Desk Workers
Apple now sells exactly three watches, and what you do with your day picks between them faster than any spec sheet will. Swimmers, day hikers and desk workers can stop at the $399 Apple Watch Series 12; only long-distance runners, divers and people who go off grid can point at an Apple number that justifies…
Apple Watch Ultra 4 for Races Over 24 Hours: Every Workout Battery Mode, and Where Training Load Fits
Apple Watch Ultra 4 publishes three workout battery ratings: up to 18 hours of outdoor workout, up to 25 hours in Extended Workout mode, and up to 45 hours in a new Max Extended Workout mode that records GPS at one-second intervals. Apple aims that top mode at 100-mile races. Ultra 4 rates up to…
Apple Watch Sleep Tracking in watchOS 27: Every Confirmed Change for Series 12 and Ultra 4
Apple Watch Series 12 and Apple Watch Ultra 4 both list a sleep score and sleep apnea notifications, and both add an overnight vitals view that compares Recovery HRV with your personal baseline. What is easy to miss is where those changes live: Apple’s own watchOS 27 feature list does not name a single sleep…
Apple Watch Readiness Inputs: What Activity, Training Load, Vitals and Sleep Each Demand From You
Readiness on Apple Watch Series 12 and Apple Watch Ultra 4 is a single daily number from 0 to 10, and Apple says it is built from four inputs: recent activity, training load, vitals and sleep. Two of those four are gathered while you are asleep, which makes overnight wear the part of the routine…
Wellness Feature or Medical Device? How Apple Labels Every New Health Feature for 2026
Apple draws a line through its 2026 health features, and it is the thing readers most often get wrong: the new ones are wellness features. Apple has claimed no regulatory clearance for anything it announced on September 9, and where it has written a label at all, the label says wellness. Readiness, a wellness score…
Apple's Secure Exclave: What Apple Says Happens to the Audio Your Apple Watch Hears
Apple says the audio behind the new listening features on Apple Watch Series 12 and Apple Watch Ultra 4 is handled inside a Secure Exclave, which it describes as a dedicated hardware-isolated compartment on the S11 chip, and that no audio recordings are stored. Live Rewind returns the last 15 seconds of a conversation as…
Apple Watch Series 12 Sound Recognition and Live Rewind: The Two Features That Need the New Watch
Apple Watch Series 12 and Apple Watch Ultra 4 add Audio Intelligence, and two parts of it matter if you are deaf or hard of hearing: Sound Recognition alerts for sirens, alarms, doorbells and baby cries, and Live Rewind, which shows the previous 15 seconds of a conversation as text when you double-press the Digital…
watchOS 27 and Your iPhone: The Four Requirement Levels Apple Publishes, From iPhone 11 to iPhone 16
watchOS 27 needs an iPhone, and Apple publishes four separate iPhone requirements rather than one. The floor for the update itself is an iPhone 11, the floor for Siri AI on the wrist is an Apple Intelligence iPhone, and the floor for Live Rewind and Siri Recap is an iPhone 16 or newer. watchOS 27…
The watchOS 27 Features Locked to the S11 Chip: What an Older Apple Watch Cannot Get
Four of the features Apple showed on September 9 never reach an older Apple Watch, no matter which version of watchOS it runs. Apple’s own support document limits Sound Recognition, Music Recognition with Shazam, Live Rewind and Siri Recap to the Apple Watch Series 12 and Apple Watch Ultra 4, the two models built around…
watchOS 27 on the Apple Watch You Already Own: 14 Features That Cost Nothing on Monday
If you already own an Apple Watch Series 9, Series 10, Series 11, SE 3, Ultra 2 or Ultra 3, watchOS 27 costs you nothing on Monday, September 14, and it brings 14 confirmed changes to a watch you have owned for up to three years. None of them require the new Series 12 or…
Live Rewind and Siri Recap Need an iPhone 16 or Newer, Apple's New Support Document Says
Apple published a support document on September 9 that gives a name to a set of Apple Intelligence features on its two newest watches, and it carries a requirement that is easy to miss. Two of the four features in the category need an iPhone 16 or newer, and the other two do not. Apple…
Apple Watch Series 12 Aluminum, Titanium or Ceramic: What Each Case Weighs, and What Apple Has Not Priced
Choosing between aluminum, titanium and ceramic on Apple Watch Series 12 changes four published things: the front crystal, the weight, the case dimensions in ceramic, and the finishes on offer. It changes nothing about the chip, the sensors, the display or the battery. Series 12 comes in 42mm and 46mm cases, or 43mm and 47mm…
Apple Watch Series 12 Heart Sensors: What Changes If You Are Not an Athlete
If you are not training for anything, what the new Health Sensing System on Apple Watch Series 12 changes is how often the watch measures you and where those numbers surface, not what the watch is able to tell you. Apple’s figures are precise: heart rate every five seconds all day, and heart rate variability…
Apple Watch Ultra 4 or Series 12: The Three Numbers That Decide It, Starting With Your Wrist Size
Apple Watch Ultra 4 and Apple Watch Series 12 share the S11 chip, the same Health Sensing System, the same Readiness app and the same 64GB of storage, so this is not a health decision. Three published numbers settle it instead: the wrist range each case is designed to fit, how many hours the watch…
Apple Watch Series 10 to Series 12: What watchOS 27 Gives You Free, and What Needs the $399 Upgrade
Apple Watch Series 10 is on the watchOS 27 compatibility list, so every software feature Apple showed on September 9 lands on the watch you already own, free, on September 14. What the $399 Apple Watch Series 12 buys is hardware: the new Health Sensing System, up to 24 hours of battery instead of 18,…
Apple Watch Series 12 vs Apple Watch Series 7: Five Years On, Everything That Changed
Five years separate Apple Watch Series 7 from Series 12, and in that time Apple has changed the chip four times, doubled peak brightness from 1000 to 2000 nits, moved from 41 mm and 45 mm cases to 42 mm and 46 mm, added temperature, depth and water temperature sensors, and raised the battery rating…
Apple Watch Series 12 vs Apple Watch Series 8: watchOS 27 Drops Series 8, So Is It Time to Upgrade?
Apple Watch Series 8 is not on Apple’s watchOS 27 compatibility list, which starts at Series 9, so the 2022 watch stops at watchOS 26 while Series 12 launches with the new software, an S11 chip, a 2000-nit display, new heart sensors and a 24-hour battery rating. The starting price is unchanged at $399, the…
Apple Watch Series 12 vs Apple Watch Series 9: Three Years, Two Chip Generations and a New Sensor Stack
Apple Watch Series 12 is two chip generations ahead of the 2023 Series 9, moving from the S9 to the S11, and it adds a new Health Sensing System, a depth gauge, a 24-hour battery rating instead of 18, and 42 mm and 46 mm cases in place of 41 mm and 45 mm, all…
How to Set Up Apple Watch Series 12 for a Family Member or Child
Apple Watch Series 12 can be set up for someone who does not have their own iPhone. Apple’s support guide puts the choice at step four of the pairing flow, where you pick “Set Up for Myself” or “Set Up for a Family Member,” and points to a separate support article (109036) for the family-specific…