Reassessing evidence-based content in popular smartphone apps for depression and anxiety: Developing and applying user-adjusted analyses.

Objective: To assess the dissemination of evidence-based content within smartphone apps for depression and anxiety by developing and applying -a method for weighting app content based on each app's number of active users.

Method: We searched the Apple App Store and Google Play Store and identified 27 apps within the top search hits, which real-world users are most likely to encounter. We developed a codebook of evidence-based treatment elements by reviewing past research on empirically supported treatments.