GoKawiilApple Watch Ultra 4 and Galaxy Watch Ultra 2 diverge on health-tracking depth
Apple's Watch Ultra 4 introduces a revamped sensor system with five-second heart rate readings, an improved pedometer, and a new Readiness feature that combines recent activity and sleep data. Samsung's Galaxy Watch Ultra 2 counters with an expanded Vitals suite in its Health app, offering daily blood pressure estimates, a Heart Health Score, antioxidant readings, and trail-running hydration guidance. Both devices share core safety tools like Emergency SOS, fall detection, and alert sirens, though only Apple's watch adds crash detection.