Combining a Smartphone App With Medications to Manage Heavy Drinking

Inclusion Criteria: To be eligible, Veterans must be: * 1\) diagnosed with an alcohol use disorder (AUD) and report 4 heavy drinking days (HDD) * (defined as 5 standard drinks per day for men and 4 standard drinks per day for women) in prior 30-days * 2\) enrolled in VA primary care * 3\) planning to initiate medications for alcohol use disorder (MAUD), as determined by a medication order * 4\) willing to be randomized * 5\) Android or iPhone smartphone owners Exclusion Criteria: * 1\) past 30-day participation in VA or non-VA substance use disorder (SUD) treatment * 2\) prior episode of medications for alcohol use disorder receipt in the last 30 days (initiation of a new episode of MAUD in the 7 days prior to screening allowed) * 3\) plans to be or are pregnant * 4\) severe psychiatric symptoms or psychosocial instability likely to prevent participation in the study protocol, as determined by the referring provider. Veterans aged \>80 were excluded because ownership and use of mHealth apps decreases with advancing age. Participants who enter substance use disorder specialty care following randomization will be allowed to continue in the study.