The app store is flooded with calorie counters and fitness trackers, making it nearly impossible to pick one that actually works. However, according to a study published in the Journal of Medical Internet Research, the solution is simple: choose Noom Coach. Among the five platforms tested—including Samsung Health, MyFitnessPal, FatSecret, and Lose It!—the research revealed Noom's calorie counting feature as the most accurate when measured against nutritional standards.