Investigators will recruit 280 alcohol dependent patients in treatment programs in the Philadelphia area to test the efficacy and cost efficiency of a smartphone based application for treating alcohol addiction (ACHESS) with telephone monitoring and counseling (TMAC). Participation in the study lasts for 18 months with research visits at baseline, 3 months, 6 months, 9 months, 12 months, and 18 months. The intervention lasts 12 months.