An evidence-based application developed by the renowned Massachusetts Breastfeeding Coalition to help the clinician identify, triage, and manage common breastfeeding problems in the first weeks of life. The Breastfeed App, formerly available for free, now includes 5 calculators, including two feeding calculators and a weight loss calculator. It also includes information on medications as well as a link to LactMed, the comprehensive online resource from the National Library of Medicine.