Similar to: Xiaomi Mi Band 3

This tracker offers robust activity and heart rate monitoring in a comfortable, waterproof design. While it provides essential fitness data and smartphone notifications, its Bluetooth connectivity can be finicky, and some users find its app less intuitive than competitors.

This optical sensor finally liberates you from the restrictive chest strap, offering a far more comfortable way to track your intensity. While you sacrifice the absolute clinical precision of an EKG-style monitor, you gain unparalleled versatility for swimming, contact sports, and everyday training without the constant chafing.

This is the ultimate set-it-and-forget-it tracker for those who value longevity over constant charging. While it lacks the deep ecosystem integration of premium smartwatches, it makes up for it with an 18-day battery and a robust suite of health metrics that handle everything from pool laps to deep sleep analysis.