The Fatster app offers a range of features including daily tracking of weight, activity, and nutrition, a supportive community to share results and challenges, an interactive map to discover healthy venues, and a smart digital coach for personalized help and recommendations. Similarly, the NUTRIMIS app connects overweight people with compatible companions based on their profiles and offers features such as daily tracking of weight, activity, and diet, a supportive community to share results and access to articles and tips about nutrition. Additionally, NUTRIMIS offers a platform for professionals to track their patients' weight loss progress and analyze their data to make personalized recommendations.