<ul><li>A new study shows that while the Apple Watch excels at measuring heart rate and step count, it struggles with calorie burn estimation, with a mean error rate of 27.96%.</li><li>Researchers found that the Apple Watch had an error rate of just 4.43% for heart rate monitoring and 8.17% for step counting, which are considered excellent for consumer-grade fitness devices.</li><li>The inaccuracy in calorie burn estimation is a common problem among consumer wearables, with the complex nature of calorie calculation being a significant challenge for wrist-worn sensors to accurately measure.</li><li>Despite its limitations, the Apple Watch is still valuable for tracking habits and staying motivated, but users are advised not to rely entirely on its calorie tracking feature for precise measurements.</li></ul>

Apple Watch excels at some fitness tracking metrics, sucks at others

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