Withings announced at IFA 2025 today that it's revamping the operating system of its ScanWatch 2 smartwatch. Called HealthSense 4, the update adds new algorithms for 35 health metrics as well as predictive AI-powered alerts when a user's health changes. The ScanWatch 2 also gains two new colors and improved battery life of 35 days - a roughly five-day increase from the original.
The Oura Ring tracks over 30 biometrics including sleep, heart rate variability (HRV), resting heart rate, and body temperature, providing a daily Readiness Score that offers insights into recovery.