Withings ScanWatch 2 Gets Major HealthSense 4 Update at IFA 2025
At IFA Berlin 2025, Withings (once briefly known as Nokia Health) introduced a substantial software update for its ScanWatch 2—the new HealthSense 4 OS—bringing advanced health metrics, AI-powered insights, and improved performance.
Key highlights include:
- HealthSense 4 OS: A major new operating system featuring advanced algorithms that track 35 health metrics, including sleep architecture (now with REM detection), respiratory rhythm, menstrual cycle phases, and more
- Predictive AI insights: The watch now proactively alerts users to potential health events—like the early stages of illness or the onset of a menstrual cycle—by analyzing subtle changes in body temperature and biometrics
- Vitality Indicator (Withings+ subscription): Aggregates metrics such as HRV, physical activity, body temperature, and oxygen levels to estimate energy and fatigue, offering personalized feedback and tips
- TempTech 24/7 temperature sensing: Accurately distinguishes between ambient and body temperature to detect early illness signals Cinco DíasGadgets & Wearables.
Improved sleep tracking: REM, respiratory rhythm, and sleep stage monitoring are more precise and clinically oriented - Battery extended to 35 days: That’s an additional 5 days compared to previous models, thanks to optimized software—without significantly impacting accuracy
- New color options: The 42 mm ScanWatch 2 now arrives in Blue and Silver (also referenced as “Midnight Blue”) for a refreshed aesthetic.
Availability & Pricing
The updated 42 mm ScanWatch 2 models, pre-loaded with HealthSense 4, launched on September 5, 2025, for US $369.95 or €349.95 (pricing varies slightly by region) and include a free trial to Withings+. Withings has not confirmed when existing ScanWatch 2 owners will receive the HealthSense 4 update on their current devices
The HealthSense 4 update significantly elevates the ScanWatch 2, reinforcing its position in the hybrid smartwatch segment by blending analog elegance with intelligent health tracking. With predictive AI, richer sleep data, a new energy-tracking Vitality feature, and stellar battery life, it becomes a compelling choice for users seeking subtle, science-based wellness tools via a stylish wrist companion.
