Apple advances health and fitness capabilities using Apple Intelligence

Apple Advances Health and Fitness Capabilities Using Apple Intelligence Specifications Apple Watch Series 12 and Apple Watch Ultra 4 were announced on September 9, 2026, featuring the new Health Sensing System that provides the most accurate heart rate sensing in a wearable according to a study of over 1,000 participants. The optical heart sensor now uses larger, power‑efficient green LEDs, enabling heart rate measurements every five seconds, all day long, which improves Exercise and Move Activity ring accuracy. Heart rate variability (HRV) is measured as often as every five minutes, a 24‑fold increase over previous generations, and two variants—Recovery HRV and overall HRV—are available in the updated Heart Rate app. The readiness score is a single 0‑10 value generated each day from recent activity, vitals, and sleep, with actionable recommendations such as Recover, Pace Yourself, Ready, or Go For It. Readiness updates throughout the day as new data arrives, highlighting which factors drive the score and allowing users to tap for more details, based on the Apple Heart and Movement Study. The redesigned Health app on iPhone and iPad integrates Apple Intelligence, offering personalized insights that adapt to a user’s health metrics while keeping data private and secure. The Insights tab provides a daily summary that updates across heart, sleep, readiness, fitness, vitals, and cycle tracking data, and a For You section delivers tailored recommendations and articles. A new Longevity tab analyzes longitudinal data for heart health, sleep, mental wellbeing, movement health, metabolic health, hearing, and nutrition, and includes the Health Age feature that compares metrics to chronological age. Features Health Age can factor in Apple Watch metrics such as VO2 max, resting heart rate, sleep, and HRV, and users may enrich the analysis with lab results like A1c and LDL. Within Longevity, users can view visualizations for each health category, conduct at‑home movement assessments, and add lab tests to build a comprehensive health picture. Movement Evaluations use the iPhone camera and Apple Watch to measure flexibility, strength, balance, movement mechanics, and VO2 max, providing real‑time audio and visual feedback without recording or storing video. The Lab feature lets users schedule and purchase panels with over 50 key biomarkers for $119 at approximately 2,000 Quest Diagnostics locations in the United States. Tailored Health Content includes videos and articles from Apple Health clinical experts that explain data such as LDL levels or balance exercises, and can generate personalized exercise plans. Cycle Tracking in iOS 27 adds support for perimenopause and menopause, allowing users aged 40 and over to receive notifications when cycle deviations suggest perimenopause so they can consult a doctor. Users can log perimenopause or menopause status, track symptoms, and receive alerts if bleeding occurs after menopause, prompting a conversation with a healthcare professional. Additional health features in watchOS 27, iOS 27, iPadOS 27, and macOS 27 include Workout Buddy, which functions on Apple Watch without an iPhone nearby and now supports English and Spanish. Pricing Expanded GymKit functionality lets AirPods Pro 3 users sync heart rate data to compatible gym equipment such as treadmills and indoor bikes through the iPhone. New machine learning models improve treadmill distance calculations from the very first step, enhancing the accuracy of walk and run tracking. watchOS 27 will be released on Monday, September 14, 2026, for Apple Watch Series 9 or later, Apple Watch SE 3, and Apple Watch Ultra 2 or later, requiring an iPhone 11 or later or iPhone SE 3 with iOS 27. The redesigned Health app will be available later in 2026 on Apple Intelligence‑enabled iPhone and iPad models, with some features exclusive to iPhone and others subject to regional availability. Health Age requires an Apple Watch, and the VO2 max estimation test needs an Apple Watch, AirPods Pro 3, or a third‑party heart rate sensing device. Certain features, including Lab scheduling and some Apple Intelligence functions, are limited to users aged 18 or older. Apple Intelligence is available when Siri and device language are set to one of many supported languages, including English, Spanish, French, German, Italian, Japanese, Korean, Chinese (simplified and traditional), Danish, Dutch, Norwegian, Portuguese, Swedish, Turkish, and Vietnamese. Server‑side Apple Intelligence features such as Siri AI, intelligent photo editing, Image Playground, and AFM 3 Cloud models in Shortcuts have daily usage limits that may vary by request complexity and system demand. Verdict Siri AI is not available for users under the age of 13, and certain Apple Intelligence features may incur a fee for expanded access in the future. The Vitals app is intended for wellness purposes only and is not cleared for medical use, while Cycle Tracking should not be relied upon as a form of birth control. Using Workout Buddy without an iPhone nearby requires a Wi‑Fi or cellular connection, and some features may differ across regions or languages. A scientifically rigorous study compared Apple Watch heart rate accuracy against leading wearables during July and August 2026, confirming the highest accuracy across devices for the new sensor. The new Health Sensing System also adds HRV to the overnight vitals view, allowing users to toggle between overnight and daytime metrics to spot shifts before they appear overnight. Overall, these updates aim to give users a more complete, science‑driven picture of health and fitness while keeping personal data private, secure, and under their control.