Can your phone app really count calories? study puts two popular trackers to the test.
NCT ID NCT05166226
First seen Jan 04, 2026 · Last updated May 15, 2026 · Updated 23 times
Summary
This study checked if the PortionSize and MyFitnessPal apps accurately measure energy and nutrient intake in everyday life. 45 adults used both apps in separate periods, and researchers compared the results to a gold-standard method. The goal was to see how reliable these apps are for tracking diet.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Locations
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Pennington Biomedical Research Center
Baton Rouge, Louisiana, 70808, United States
Conditions
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