Ada Health
FreeAI symptom checker that guides you through a medical assessment and ranks likely causes.
AI-powered weight loss program — psychology-based coaching, meal tracking, and personalized health plans.
Last updated:
Noom is a weight-loss and health app that treats eating as a behavior problem, not just a math problem. Alongside standard food and weight logging, it delivers a daily curriculum drawn from cognitive behavioral psychology — short lessons on triggers, cravings, and habit formation — and uses your logged data to personalize what it shows you and how it checks in. The premise is that lasting change comes from understanding why you eat, not only counting what you eat.
That psychology-first angle is what separates Noom from calorie trackers like MyFitnessPal or Lose It. Its signature “traffic light” system sorts foods into green, yellow, and orange by calorie density rather than banning anything, and the app pairs software with access to human coaches and group support. Noom has since expanded into related areas including medication-supported weight management (Noom Med).
People who have bounced off plain calorie counters and want a structured, psychology-driven program that coaches habits and mindset around food, with some human and community support alongside the app.
It is a paid subscription, so it is hard to justify over free trackers if you only want to log calories. The coaching is often lighter and more automated than the marketing implies, and results still depend on your own consistency. Noom has also faced criticism over its trial-to-subscription flow and cancellation experience, so read the billing terms carefully before signing up.