Depression Test offers a streamlined, science-backed approach for individuals to evaluate their mental wellbeing through a mobile-first lens. By utilizing the Patient Health Questionnaire (PHQ-9), the app transforms a clinically validated tool into an accessible self-assessment that takes only minutes to complete. It serves as an essential first step for those experiencing persistent sadness or frustration, providing a clear metric for the severity of their symptoms. The user experience is intentionally low-friction, focusing on clarity and privacy. A significant recent update introduces a passcode lock feature, acknowledging the sensitive nature of mental health data and ensuring results remain confidential. As part of the broader 'MoodTools' suite, this application prioritizes utility over visual flair, delivering a purposeful environment that encourages users to seek professional guidance when necessary. Ultimately, Depression Test is a robust, empathetic bridge between personal concern and professional treatment, making it a vital 'pocket' resource for mental health awareness.