10 Best Fitness Trackers with Heart Rate (October 2026) Guide
I’ve spent the last three months testing fitness trackers with heart rate on my own runs, lifts, and sleep cycles. The short answer: optical sensors have gotten dramatically better, but they still lag during strength training and on darker skin tones. If accuracy matters more than a display, the Garmin vívoactive 5 and WHOOP 5.0 … Read more