App for Independence-O (A4i-O) - Expanding a Validated Platform for Complex Behavioral Health to Address Opioid Use Disorder

Inclusion Criteria

Inclusion Criteria: 1. Participants will be adults, 18 years of age or older, with a provider-assigned diagnosis of OUD confirmed by the SCID-5. Electronic medical records will be accessed for CAMH clients after informed consent is obtained to confirm the OUD diagnosis. For clients who were recruited externally and do not have a CAMH chart, confirmation of diagnosis will be sought from the referring clinician. 2. All participants will be engaged in outpatient psychiatric treatment for OUD. 3. All participants will currently be engaged in opioid agonist treatment. 4. Proficiency in English via ability to understand written/verbal communication during consent process. Any RA concerns about ability to understand English will be brought to the PI for determination of next steps (see consent procedures below). 5. Own and use an Android or iOS smartphone. 6. All participants will be open to having their care provider participate in the study Exclusion Criteria: 1. Lack of capacity to consent. 2. Intellectual disability. 3. Experiencing distress at a level that would affect research and technology engagement (e.g., acute suicidality). Criteria (service providers): Service providers will be psychiatrists and case managers engaged in the care of the participants.