Activity Tracking: Monitors steps, calories, distance, heart rate, sleep tracking, blood oxygen, stress tracking, GPS, energy levels, hydration and women’s health. Tracks running, cycling, swimming, yoga, and other multi-sport tracking. Also has sports apps for workouts modes and guided exercises. Allows creating and customizing workouts. Assesses readiness for workouts.
Performance metrics: Provides VO2 max, training effect, and recovery time.
Maps: Includes preloaded topographic maps.
Smart notifications: Displays notifications from your phone.
Water resistant: Yes

Activity Tracking: Monitors steps, active minutes, sleep and distance. Tracks activities like running, biking, and sports. Has goal setting where kids can set daily step and activity goals. Movement reminder to encourage kids to stay active.
Family account: Parents can manage and view their child's activity.
Water resistant: Yes