Your tracker says you burned 800 calories: here is why that number is probably wrong
Your tracker says you burned 800 calories, but lab data shows most wearables miss by 20β40 %. Learn when they fail, what you can fix, and what to track instead.
Fitness Tracker GURU is built for everyday people who want clearer choices, fewer regrets, and more motivation on the wrist.
We test features that matter in real life - comfort, battery life, accuracy, and ease of use - so you can focus on feeling better, moving more, and sleeping well.