Characteristics of Smartphone Applications for Nutrition Improvement in Community Settings: A Scoping Review

A systematic review that maps the features, key content, theoretical approaches, and methods of consumer testing of applications intended for nutrition improvement in community settings. The broad categories of features found to be included in applications generally corresponded to different behavior change support strategies common to many classic behavioral change models. Key content of applications generally focused on food composition, with tailored feedback most commonly used to deliver educational content. Consumer testing before application deployment was reported in just over half of the studies. Collaboration between practitioners and application developers promotes an appropriate balance of evidence-based content and functionality.