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Luno vs Noom:
you're choosing between two different things.

Noom is a 4–6 month behavioral coaching program with daily psychology lessons. Luno is a fast AI calorie tracker. Both can help you lose weight, but they're not the same product. Here's how to know which one you're actually shopping for.

The short answer

Pick Luno if

  • You want a fast calorie tracker, not a coaching course.
  • You don't want to read a daily psychology lesson.
  • You don't want to pay $60+/mo for a guided program.
  • You're on iPhone and care about Apple Watch / Siri / HealthKit.
  • You want AI photo and voice logging.

Pick Noom if

  • You want a structured 4–6 month weight-loss program, not just a tracker.
  • Daily behavioral psychology lessons sound useful to you.
  • You want a human coach (light-touch, async messages).
  • Color-coded food categories make more sense to you than calorie math.
  • You've tried tracking alone and it didn't stick.
At a glance

The differences that drive the choice

Detail-by-detail comparison further down. This is what matters in the first 30 seconds.

Feature
What it actually is
LunoCalorie + nutrition tracker
NoomCoaching program + tracker
Tie
Monthly price
Luno$2.99 Pro · $0 free tier
Noom~$60–70/mo (program pricing)
Luno
Time to log a meal
Luno~3 seconds (photo / voice)
Noom30s–2 min (manual + colour)
Luno
AI photo logging
LunoFree, every meal
NoomNot supported
Luno
Human coach
LunoAsk Luno (AI)
NoomLight-touch human coach (async)
Noom
Behavioral lessons
LunoWeekly insights
NoomDaily psychology curriculum
Noom
Food categorisation
LunoCalorie + macro breakdown
NoomGreen / Yellow / Orange colour system
Tie
Auto-renewal practices
LunoApple subscription (one-tap cancel)
NoomHas faced FTC scrutiny on renewals
Luno
The big difference

Noom is a program. Luno is a tool.

Noom isn't really a calorie tracker — it's a behavioral weight-loss program that happens to include a tracker. You sign up for a 4–6 month curriculum, you read daily psychology lessons (rooted in cognitive-behavioral therapy), you message a coach, you log food into their colour-coded system, and at the end of the course the expectation is you'll have built better habits.

Luno is a tool. You open it, you log meals quickly, you see how your day is going, you close it. It doesn't tell you what to think about food.

If you want a structured program with daily reading and a coach, Noom is one of the few options in the space and arguably the best at what it does. If you want something out of your way that lets you log in three seconds, you're shopping for a tracker, and Luno is that.

Price

$60+/mo vs $2.99/mo

Noom's pricing is fluid and depends on the trial offer you land on, but the steady-state monthly is around $60–70 (sometimes higher) for the program. That's program pricing — it's roughly comparable to seeing a registered dietitian once a month, which is part of how Noom justifies it.

Luno Pro is $2.99/month. Free tier is free.

Different products, different pricing categories. If a coaching program is what you actually want, $60/mo isn't unreasonable for it. If you just want to track your calories, you should not be paying anywhere near that.

One word of caution: Noom has faced FTC and state-level scrutiny over auto-renewal and cancellation practices, including a $62M settlement in 2022. Read the cancellation flow before signing up; many users have reported surprise charges.

Logging speed

Three seconds vs a colour quiz

Noom's logging flow asks you to find the food in their database, log a portion, and assign it to a Green / Yellow / Orange bucket. The colour system is part of the pedagogy — they want you to develop intuition about what kind of food you're eating, not just count calories.

It works for some people. For others it's friction — a quiz on top of a search on top of a portion estimate, three or four times a day.

Luno collapses logging into one action: a photo or a voice description. The AI handles parsing the items, the nutrition, and the portion. No taxonomy to memorise.

Coaching

Human (Noom) vs AI (Luno)

Noom's coaches are real humans. They're light-touch — mostly async messaging, not full one-on-one nutrition counselling — but having a person check in is a real differentiator if accountability is what you need.

Luno's coach is Ask Luno, an AI you can chat with about your own data. It can answer "how did last week look", "why am I missing my protein", or "what should I eat for dinner given what I've logged today". You can also connect Luno to Claude or ChatGPT via MCP and use those as your coach instead.

If you specifically want a human voice in the loop, Noom wins this round. If you want immediate answers from your own data, Luno does.

The other side

Where Noom beats Luno

We'd rather call this out up front than have you discover it after switching.

It's a real program, not just an app

Noom delivers a structured 4–6 month curriculum on the psychology of eating, with daily lessons rooted in CBT. If you've tried tracking alone and it didn't stick, that structure is genuinely different from anything a calorie tracker offers — including Luno.

Human coaches

Async messages with a real coach. Not a replacement for a registered dietitian, but a real human in the loop when you need accountability. Luno has no human coaching.

The colour system works for some people

Green / Yellow / Orange food buckets can be more intuitive than calorie math for users who don't want to think in numbers. Calorie trackers in general (Luno included) ask you to think in numbers.

Built around weight-loss psychology, not features

Noom doesn't try to be a complete nutrition tracker. The narrow focus on weight-loss behaviour change means everything in the app points at that one outcome. Luno is broader by design.

Cross-platform — Android and web

Luno is iPhone-only. Noom runs on iOS, Android, and a web app. If you switch devices, this matters.

Everything else

Detailed feature comparison

The full matrix, grouped by category. Every checkbox you'd want before switching.

Product type
Feature
Luno
Noom
Coaching program
Daily lessons / curriculum
Human coach access
Pure tracker
Partial
Behavioural framing
Light
Core
Meal logging
Feature
Luno
Noom
AI photo scan
Free, every meal
Voice logging
Barcode scanner
Colour-coded food system
Manual entry
Apple ecosystem
Feature
Luno
Noom
Apple Watch app
Limited
Lock-screen widgets
Siri Shortcuts
HealthKit two-way sync
Share Sheet meal import
Switching from another app
Feature
Luno
Noom
One-tap import from Noom data export
Import from MyFitnessPal / Cronometer / Lose It
Generic CSV import
AI assistant integration
Feature
Luno
Noom
Connect to Claude / ChatGPT
Via MCP
AI coach in-app
Ask Luno
Log meals from AI chat
Pricing
Feature
Luno
Noom
Free tier
Pro / program monthly
$2.99
~$60-70
Pro / program yearly
$39.99
~$199 / 4-mo program
Auto-renew transparency
Apple subscription
Has faced FTC scrutiny
FAQ

Common questions

Is Noom worth $60/month?

+

Depends entirely on what you're paying for. If you want a structured 4-6 month behavioral weight-loss program with daily lessons and a coach, $60/mo is in the right ballpark for that — comparable to a few sessions with a dietitian. If you just want a calorie tracker, you should not be paying that, and there are cheaper, faster options including Luno at $2.99/mo. The mismatch happens when people sign up expecting a tracker and find themselves paying program prices.

Will Luno replace Noom?

+

If you specifically value the Noom program — the daily psychology lessons, the human coach, the structured curriculum — Luno doesn't replace it. We're a tracker, not a coaching course. If what you actually want is fast food tracking with AI assist and an in-app AI coach (Ask Luno), then yes, Luno covers what most people are paying Noom for.

Can I cancel Noom easily?

+

Noom has faced FTC and state-level scrutiny on cancellation practices, including a $62M settlement in 2022. Cancellation has reportedly improved since then but many users still recommend going through their support flow well before the renewal date and keeping a screenshot. Luno is an Apple subscription — one tap to cancel in iOS Settings.

Does Noom have AI photo logging?

+

No. Noom's logging is manual: search the food, set a portion, assign a colour bucket. Their differentiation is the behavioral content and the coach, not the logging technology. Luno's AI photo and voice logging are the headline feature difference.

Is Noom better for actually losing weight?

+

The published research on Noom shows modest weight loss outcomes consistent with other behavioral programs. The structured curriculum and coach probably help with adherence for some users. Luno doesn't ship a behavioral program — we make tracking fast enough to actually happen. Both can support weight loss; the question is whether you want a program or a tool.

Does Luno have a behavioural / psychology curriculum?

+

Not in the Noom sense. We ship weekly insights, an AI coach you can chat with (Ask Luno), and accountability circles for social support. There's no daily lesson plan, no CBT curriculum, no scheduled coach check-ins. If you want that, you want a program — Luno isn't trying to be one.

Can I bring my Noom logging history over?

+

Yes. Request your data export from Noom's privacy portal, then in Luno open Settings → Import from Another App, pick Noom, and upload the file. Luno parses what's in the export and backfills meal and weight history. Noom's behavioural lesson progress isn't in the export and doesn't transfer — only the tracking data does.

Ready to try it?

Log a few meals on Luno and see how it feels. Free for the first three meals a day — no card required.

Voice + photo loggingApple WatchNo ads in free tier

Noom® is a registered trademark of Noom, Inc. This page is an independent comparison and is not affiliated with, endorsed by, or sponsored by Noom. Feature data was current as of the last revision; pricing and capabilities on either side may change.