Popular Diet Tracking Apps May Be Missing Hundreds of Calories, Study Finds
Summary
A new study found that popular calorie-tracking apps using AI to estimate food calories from photos often underestimate calorie and fat amounts. Researchers tested four apps and discovered they missed about a third of the actual calories and fat in meals.Key Facts
- The study tested four photo-based food apps: MyFitnessPal, Lose It!, Cal AI, and Appediet.
- On average, the apps underestimated calorie counts by about 250 to 345 calories per meal.
- Fat estimates were also low by roughly 30 grams per meal.
- The research was done using 102 carefully measured meals in a controlled kitchen.
- MyFitnessPal and Lose It! performed better on higher-calorie meals than lower-calorie ones.
- All apps were more accurate at estimating carbohydrates than fats or proteins.
- Low-carb, high-fat diets were harder for the apps to accurately analyze.
- Researchers suggest combining photo apps with traditional food tracking to improve accuracy.
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