Apple overhauls the Health app with AI alongside watchOS 27 and new heart sensors on Series 12/Ultra 4
The redesigned Health app uses Apple Intelligence to summarize data, with new Insights and Longevity tabs that compare a Health Age score; watchOS 27 ships Sept 14
New heart sensors — Series 12/Ultra 4 only · Tested with 1,000+ participants · Heart rate every 5 seconds · HRV 24x more often (every 5 minutes)
Readiness Score — 0–10, combining activity, heart data, and sleep · Guidance from "recover" to "go for it" · Updates throughout the day
New Health app (iOS 27, late 2026) — Uses Apple Intelligence · Insights tab (daily summary + recommendations) · Longevity tab (Health Age vs. actual age)
Other — iPhone camera movement assessment (flexibility/strength/balance/VO2 max) · Lab test ordering (US only, ~$119) · Menopause tracking
Compatibility — watchOS 27 ships September 14 for Series 9+ and SE 3+ · New sensors exclusive to Series 12/Ultra 4 · Full Health features require an Apple Intelligence-capable device
Source: Apple
