RecruitingBehavioural interventionPARCA (a Digital Tool) to Improve Justice and HealthThe purpose of this study is to assess the effectiveness of the Probation/Parole and Reentry Coach Application (PARCA)-a mobile application that allows justice-involved people to set and manage personal goals to support sustained, successful community supervision. Through this study, we aim to conduct surveys and interviews aimed to gain a better understanding of ways to improve the substance use treatment process, connections between clients and officers, and goal selection and achievement for clients using the PARCA app