The app offers 10 or more free multiple-choice questions with explanations for 21 different Pediatric Board review topics. Each specialty offers additional questions which are available as an in app purchase. The following specialties are available: PALS Advanced Trauma-Support Adolescent Medicine Pediatric Pediatric-Cardiology Pediatric-Child Abuse Pediatric-Critical Care Pediatric-Developmental Pediatric-Emergency Medicine Pediatric-Endocrinology Pediatric-Gastroenterology Pediatric-Hematology/Oncology Pediatric-Infectious Diseases Pediatric-Neonatal/Perinatal Pediatric-Nephrology Pediatric-Neurology Pediatric-Pulmonology Pediatric-Rehabilitation Pediatric-Rheumatology Pediatric-Transplant Pediatric-Hospital Medicine Detailed pictures are available for some questions. Explanations are linked to additional online references and can be accessed via the more button on the explanation page. Missed questions are retained in the question pool and displayed again until you get them correct on the first attempt. Statistics are generated and include a list of keyword topics missed. These keyword topics will enable you to determine what areas need further study. Repeat all questions as many times as you wish.