Psychosocial Determinants of mHealth Application Adherence for Healthy Eating: A Systematic Literature Review

This systematic literature review synthesizes and evaluates the psychosocial determinants influencing user adherence to mHealth applications for healthy eating published between 2020 and 2026. Following the PRISMA 2020 guidelines, a rigorous multi-database search was conducted across Scopus, ScienceDirect, and Google Scholar to isolate original empirical studies. Utilizing a Socio-ecological Framework, this study maps individual internal drivers (e.g., self-efficacy, intrinsic motivation), socio-economic and demographic barriers, and technological ecosystem dynamics to provide actionable insights for future digital health interventions, public health policies, and flexible tracking application designs.