Noom takes a completely different angle from most weight loss programs: instead of prescribing a specific diet, it uses daily psychology-based lessons to change your relationship with food. It’s also one of the more expensive apps on this list.

Psychology-Based, Not a Fixed Diet
Premium Pricing
No Food Restrictions

Quick Facts

Core MethodCBT-based daily lessons + food logging
Typical Cost~$17–70/month depending on plan length
Food SystemColor-coded (green/yellow/orange) by calorie density
CoachingHuman and AI-assisted coaches, plus group support

How It Works

Each day, Noom delivers short (5–10 minute) lessons grounded in cognitive behavioral therapy, covering things like emotional eating, portion awareness, and identifying your personal food triggers. Alongside this, you log food (grouped into a simple green/yellow/orange calorie-density system) and weight, and get access to a coach and a peer support group. There is no specific banned food list — the goal is understanding your patterns, not restriction.

How the Evidence Compares

Meaningful weight loss (5%+ body weight) at 6 monthsModerate — one published study found 56% of users reached this
CBT-based behavior change for eating patterns generallyStrong, well-established therapeutic approach
Long-term engagement past the first 2 monthsWeak — commonly cited as a drop-off point for lesson engagement

Watch the auto-renewalNoom’s subscriptions auto-renew, and cancellation complaints are common enough to be worth a calendar reminder before any trial period ends.

Noom vs. WeightWatchers: What’s the Difference?

Noom leans much harder into psychology and daily behavioral lessons; WeightWatchers leans on a straightforward Points budget with decades more research behind it, at a generally lower price. If the “why” behind your eating matters more to you than a simple points system, Noom’s approach is more built for that — at a real cost premium.

Who Should Try This

Good Fit If…Tried Simpler Apps and Stalled

You’ve cycled through calorie-counting apps before without lasting results and want to understand the psychology behind your eating, not just track numbers.

Consider WW Instead If…Want Lower Cost, Similar Structure

You want a structured, research-backed program without Noom’s premium price tag.

FAQ

How much does Noom cost?

Pricing varies significantly by plan length, roughly $17 to $70 per month, with longer commitments substantially lowering the effective monthly cost.

Does Noom prescribe a specific diet?

No. It uses a color-coded food categorization system by calorie density rather than banning specific foods, focusing instead on behavior change through daily psychology-based lessons.

Is Noom worth the cost compared to free calorie trackers?

It depends on engagement. For people who actively use the daily behavioral lessons and coaching, results can be meaningfully better than a plain tracking app; for people who just want to log calories, cheaper alternatives cover that need.