Can your phone app really track your calories? study puts apps to the test
NCT ID NCT05166226
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study checked how accurate two popular apps, PortionSize™ and MyFitnessPal, are at measuring energy and nutrients people eat in real-life settings. 45 adults used each app for separate periods, and their results were compared to a precise weighing method. The goal was to see if the apps give reliable numbers for tracking diet.
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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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Conditions
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The condition terms exactly as the trial's registrant entered them.
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Locations
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Pennington Biomedical Research Center
Baton Rouge, Louisiana, 70808, United States