The New City Catechism is a modern-day resource aimed at helping children and adults alike learn the core doctrines of the Christian faith via 52 questions and answers. The New City Catechism mobile app makes it easy to take all of the questions and answers with you wherever you go—for free! The app pairs each question and answer with a Scripture reading from the ESV, a short prayer, and a devotional commentary written by contemporary pastors, including John Piper, Timothy Keller, Kevin DeYoung