[Mobile applications for nutrition, dietetics and healthy habits; analysis and consequences of an increasing trend].

UNLABELLED: A mobile application or app, is a software designed for smartphones and other mobile devices. Nowadays these have undergone a boom in its users offer and diversity, entering the field of medicine, for both professionals and patients. In "health apps" category, there is a part for the field of nutrition. It is estimated that in the category of "diet and fitness" more than 5,400 apps.

AIM: Reviewing apps, to make a diagnosis of the quality and validity, and review studies witch incorporating apps as part of the project s methodology.

METHODS: Literature search in major scientific databases, PubMed , SciELO , EMBASE (last 5 years) . In the other hand, a search was conducted in the Android APPs Store, 7 Key words were introduced in the form of APPs Sotre to analyze the top 5 of each search.

RESULTS: 95 Apps were analyzed, and others used from research studies. The apps found to be an option as strategies for improvement and prevention of certain diseases related to nutrition, exercise and daily habits, both from the individual used or as professionals, but include the unreliability of the majority. From the 95 apps analyzed, 51.57% were classified as "low quality".

CONCLUSION: Although most applications are not useful or safe, if in the future are normalized and improved, they could provide a useful tool for the healthcare system and society.