Apple's watchOS 27 health features bring a redesigned Health app, smarter Workout Buddy, and new cycle tracking tools to Apple Watch.The new watchOS 27 health features, plus a corresponding set of iPadOS 27 health features, arrive on September 14, 2026, representing Apple's biggest Health app overhaul in years. The update pairs a smarter, always-available Workout Buddy with expanded cycle tracking for perimenopause and menopause, giving Apple Watch and iPad users a genuinely reworked health-tracking experience rather than a cosmetic refresh. The updates were first previewed at WWDC26 in June and have been refined through several developer and public betas since, with Apple confirming the final release date and full feature list this week.The changes span Apple Watch, iPhone, and iPad, and lean heavily on Apple Intelligence to turn raw data into insights.About The AuthorAshna is a content writer who focuses on making everyday choices easier and smarter. With a strong eye for detail and a natural sense of what works in real life, she creates content that feels honest, relatable, and genuinely helpful. She is a geek for writing stories around fashion, beauty, and influential products, while bringing the same depth and detail in reviewing tech products and gadgets of day-to-day use.