The Apple Watch SE delivers some of the most precise ... We wore each device for two days straight, comparing step-count data to that of a pedometer we know to be precise. This easy-to-use tracker ...

Unlock to see our ratings and compare products side by side Accuracy for conventional pedometers and cell phone apps was measured against a manual step counter; for GPS watches, it was measured ...

Accuracy for conventional pedometers and cell phone apps was measured against a manual step counter; for GPS watches, it was measured against a professional-grade measuring wheel that gauges ...