Smartphone apps keep pace with costly fitness trackers

February 10, 2015 4:21 PM

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If you're delaying your walking program to save up for a wearable fitness tracker, the ruse is over. A free app on your smartphone can do the job about as well as some popular wearable devices, a new study has found.

On average, steps counted with free apps strayed only slightly from observed counts and were comparable or better than those tallied by the devices, according to the study published online Tuesday in the Journal of the American Medical Assn.

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