
Noom is a weight-loss app that uses a psychology-based approach to change eating habits. It is not a typical diet plan that cuts out certain foods or food groups. Instead, it encourages users to choose foods with lower calories and higher nutritional value. Noom provides training advice, nutrition information, and health coaching. It also offers a behaviour-change program that helps users build healthier habits. While Noom has received mixed reviews, some studies suggest that it does help people lose weight.
| Characteristics | Values |
|---|---|
| Effectiveness | A 2016 study found that Noom was effective at promoting weight loss in nearly 78% of users. A 2023 study found that most overweight Noom users experienced lasting weight maintenance for 1 or even 2 years. |
| Cost | $59 a month, or $129 for a three-month subscription. The monthly auto-renewing subscription costs $70. An annual auto-renewing plan costs $209. |
| Food choices | No foods are off-limits. The app steers you toward choices that are lower in calories and higher in nutrition. |
| Food labelling | The app uses a colour-coded system to label foods as green, yellow, or red based on their nutrient density and how often you should eat them. |
| Food tracking | You need to log everything you eat, along with each time you exercise, for the program to give you the right advice. |
| Exercise tracking | Log your daily exercise, and Noom will give you advice on the best types of exercises to do. |
| Support | You'll get daily guidance and encouragement from one of Noom's thousand-plus coaches. |
| Health conditions | Talk with a healthcare professional before changing your diet if you have any underlying health conditions. |
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What You'll Learn

Noom's effectiveness in changing eating habits
Noom is a weight-loss app that uses a psychology-based approach to change eating habits. It is not a fad diet or an elimination diet but a program that helps users understand how their behaviours impact their health. Noom does not cut out any food groups but instead steers users towards lower-calorie and higher-nutrition choices. It colour-codes foods as green, yellow, and red based on their nutrient count and how often they should be eaten. Green foods contain the most nutrients and should make up the bulk of the diet, while red-labelled foods are the highest in calories and lowest in nutrients and should be eaten less often and in smaller portions.
Noom's approach is based on cognitive behavioural therapy, a type of talk therapy used in clinical psychology settings. It helps users change their mindset and approach to weight loss, teaching them to shift their perspectives about weight and understand the importance of physical activity and good nutrition. Noom also provides training advice, nutrition information, and health coaching. The app offers a team of health experts and coaches to guide users, providing daily guidance and encouragement.
The effectiveness of Noom in changing eating habits can be seen in several studies. A 2016 study found that Noom was effective in promoting weight loss in nearly 78% of users, with 23% experiencing a loss of more than 10% of their body weight. A 2023 study (funded by Noom) found that most overweight Noom users experienced lasting weight maintenance for one or even two years after using the app. Another 2020 study found Noom to be more effective at reducing binge eating over 52 weeks compared to standard care offerings.
While Noom has received mixed reviews, positive reviews highlight the app's ability to provide guidance, support, and motivation for long-term weight loss. The app's convenience, comprehensive approach to wellness, and focus on behavioural changes are also praised. However, negative reviews mention issues with the food tracker and app functionality, as well as dissatisfaction with the level of support offered.
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Noom's psychology-based approach
Noom is a weight-loss app that uses a psychology-based approach to change your eating habits for the better. It helps you deal with why and how your behaviours impact your health. It is not a fad diet or an elimination diet. Instead, it focuses on helping you understand your choices, how to be in the moment and appreciate your meals, and which foods will help you feel full. It is based on cognitive behavioural therapy, a type of talk therapy used in clinical psychology settings.
The app takes a behavioural approach to weight loss to "trick" your body into building healthier habits. Noom promotes their coaches, who are supposed to be real people, to help you set achievable goals and keep you accountable. The coaches are not nutritionists but are more like behaviour-change specialists and people offering encouragement. The app will show you the "best" foods to eat and which are better to limit. It also prompts you to read about healthy habits and rate your motivation.
Noom does not specifically exclude any foods, but the app steers you towards choices that are lower in calories and higher in nutrition. To simplify eating, the app colour-codes foods—green, yellow, and orange—based on their nutrient count. Green foods contain the most nutrients and should make up the bulk of your diet, while orange foods are the highest in calories and lowest in nutrients and should be eaten less often and in smaller portions. You need to log everything you eat, along with each time you exercise, for the program to give you the right advice.
Noom's wide-angled and long-term approach to health helps people shift their mindset and approach weight loss differently. Instead of focusing on quick results, Noom teaches people how to shift their perspectives about weight and understand the importance of physical activity and why good nutrition affects much more than the number on a scale.
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Noom's impact on long-term weight loss
Noom is a weight-loss app that provides training advice, nutrition information, and health coaching. It is not a fad diet or an elimination diet. Instead, it helps users understand their choices, be mindful of their meals, and choose foods that will help them feel full. Noom uses a colour-coded system to categorize food based on their nutritional value and how often they should be eaten. Noom does not exclude any foods, but steers users towards lower-calorie and higher-nutrition options.
Noom's approach to weight loss is psychology-based, helping users change the way they think and feel about eating. It aims to help users develop sustainable habits that they can keep for a lifetime. Noom also provides a team of health experts and coaches to guide users. The app provides daily lessons to help users change their mindset around eating and provides insights into the root causes of their eating habits. Noom's coaches are not nutritionists but behaviour-change specialists who offer encouragement and help users set achievable goals.
Noom claims that users can expect to lose about 1 pound (0.5 kg) per week. A 2023 study found that most overweight Noom users experienced lasting weight maintenance for one or even two years after using the app. A 2016 study found that nearly 78% of Noom users experienced weight loss, with 23% experiencing a loss of more than 10% of their body weight. Another 2020 study found that Noom was effective in reducing the number of days participants with binge eating disorder engaged in binge eating over 52 weeks.
While Noom has received mixed reviews, with some users reporting issues with the food tracker and the app's functionality, it has also been praised for providing plenty of guidance, support, and motivation. The effectiveness of Noom also depends on the user's diet and activity level.
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Noom's coaches and support system
Noom's coaches are not registered dietitians or nutritionists, but rather, they are like behaviour-change specialists and people offering encouragement. They help users set achievable goals and keep them accountable. Users can message their virtual coach whenever they need advice. The guidance provided by these coaches makes it easier for users to stay on track with their diets. Noom's coaches are part of a team of health experts that guide users towards their goals.
Noom's support system includes a food database of more than 150,000 items, which users can search through to track their food. The app also allows for the scanning of barcodes on packaged foods, and users can also log their food manually. The app provides advice and recipes, and users can also log their daily exercise to receive advice on the best types of exercises to do.
The app's recipes and colour-coded ingredient lists include a variety of foods, catering to different dietary preferences and restrictions, such as vegan and gluten-free diets. Noom steers users towards foods that are lower in calories and higher in nutrition, and it colour-codes foods as green, yellow, and red, based on their nutrient count and how often they should be eaten. Green foods, which are the most nutritious and should make up the bulk of a user's diet, include carrots, sweet potatoes, broccoli, and spinach. Yellow foods, which have fewer nutrients and more calories, should be eaten in moderate amounts and include foods like grilled chicken, turkey breast, lean ground beef, and eggs. Orange/red foods are the highest in calories and lowest in nutrients, and users are encouraged to eat these less often and in smaller portions.
Noom's support system also includes a daily lesson feature, which provides exercises, quizzes, or tasks to complete, and insights into the root causes of users' eating habits. The app also helps users to understand their choices, be in the moment and appreciate their meals, and choose foods that will help them feel full.
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Noom's cost and value for money
Noom is a mobile health app subscription service that encourages people to make behavioural changes to live healthier. It is not a traditional diet plan that restricts certain foods or food groups. Instead, it uses a colour-coded food system that prioritises food by caloric density. The app also offers calorie counting, activity tracking, group support, and personal coaching.
Noom's monthly auto-renewing subscription costs $70. An annual auto-renewing plan costs $209, which is about $17.42 per month. However, this cost doesn’t include any optional add-ons, such as behaviour change coaching, weight loss medications, custom meal plans, or custom workout routines. The cost of these add-ons is not mentioned on their website. Noom also offers a 7-day trial for a price chosen by the user, which can be as low as $0.50 or as high as $18.
Noom's subscription cost is comparable to other wellness investments, such as an annual gym membership or a pair of running shoes. The annual fee is also considered reasonable when compared to Weight Watchers.
The app has received positive reviews from its users, with one user claiming that it "completely changed how I eat, how frequently I want to exercise". A 2023 study found that most overweight Noom users experienced lasting weight maintenance for one or even two years after leveraging a digital commercial behaviour change program. Another study in 2016 found that Noom was effective at promoting weight loss in nearly 78% of users.
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Frequently asked questions
Noom is a weight-loss app that uses a psychology-based approach to change your eating habits for the better. Noom is not a fad diet or an elimination diet. It is a program that helps you deal with why and how your behaviors impact your health.
Noom uses a color-coded approach to nutrition: It labels foods as green, yellow, or red based on their nutrient density and how often you should eat them. Green-labeled foods contain the most nutrients and should be eaten the most, while red-labeled foods have more calories and fewer nutrients and should be eaten less frequently.
Noom has been shown to be effective for weight loss in several studies. A 2016 study found that nearly 78% of users experienced weight loss, with 23% losing more than 10% of their body weight. Another study in 2023 found that most overweight Noom users experienced lasting weight maintenance for 1-2 years.
The Noom diet provides plenty of guidance, support, and motivation. It is not overly restrictive and promotes long-term behavioral changes. It also prioritizes foods with lower calorie density, which may be an effective strategy for weight loss.
Some users have reported issues with the food tracker and the app’s functionality, as well as dissatisfaction with the responsiveness and level of support offered. The monthly subscription cost of $59-$70 may also be a con for some people.










































