Multi-Component Breath Alcohol Intervention Phase 3

• Be between the ages of 18-25
• Be able to read English and complete study evaluations
• Report at least four days with heavy episodic drinking (i.e., 4 or more drinks for women and 5 or more drinks for men) out of the prior 30 days
• Report having consumed at least one alcoholic drink during a minimum of 12 days out of the prior 30 so that subjects will have multiple opportunities to use the moderate drinking technologies during the intervention period.
• Meet, at minimum, DSM-5 criteria for a mild alcohol use disorder (i.e., meet at least 2 diagnostic criteria)
• Self-report interest in using a smartphone app to help reduce drinking with a score of at least 3 on a 0-10 scale indicating at least a degree of openness to using technology to moderate drinking.

Exclusion Criteria

No subject may

• Have been in inpatient or intensive outpatient treatment within the past 12 months
• Have used a smartphone application to facilitate moderate drinking more than 1 time within the past 12 months
• Meet DSM-5 criteria for current substance use disorder with the exception of tobacco use disorder, mild or moderate alcohol use disorder or mild cannabis use disorder.
• History of alcohol withdrawal or medically-assisted detoxification as individuals with this history will likely be in need of more intensive treatment than is offered in this study.
• Be psychotic or otherwise severely psychiatrically disabled
• Report a history of a medical condition that would contraindicate the consumption of alcohol (e.g., liver disease, cardiac abnormality, pancreatitis, diabetes, neurological problems, and gastrointestinal disorders).