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Device Comparisons & Versus Guides
Device Comparisons & Versus Guides

Side-by-side comparisons of popular fitness trackers by ecosystem, sport, health features, and overall value to help you choose between specific models.

Health Metrics & How to Use Them
Health Metrics & How to Use Them

Plain-English explanations of key health metrics (sleep, stress, VO2 Max, heart rate, ECG/AFib, blood pressure estimation) and practical guides for turning tracker data into actionable habits and improvements.

Tracker Technology & History
Tracker Technology & History

Deep dives into how trackers work (e.g., heart rate, step counting) and the evolution of wearable tech—what’s under the hood and how we got here.

In-Depth Reviews
In-Depth Reviews

Detailed, model-specific reviews evaluating real-world performance, accuracy, features (e.g., AMOLED displays, GPS, battery life), and overall value to help decide on a specific tracker.