 The study aimed to evaluate the objective and subjective quality of popular mental health apps with scientific backing using the mobile application rating scale, Mars. The results showed that consumer ratings were significantly correlated with app functionality, aesthetics, and total score, while evidence-based intervention components were not associated with Mars scores or consumer ratings. The study recommends prioritizing aspects of app design that impact user experience for engagement and sustainability to translate evidence-based interventions to the competitive consumer app market. This article was authored by Nancy Lau, Allison O'Daffer, Joyce P. E. Frazier, and others.