The Bible App - YouVersion is probably the most popular free Bible app. Choose the Catholic Bible when navigating the tool. It contains reading and devotional plans specifically designed for youth and young people. There is the option to download the Bible to read offline. It contains searchable topics such as faith, parents, and worry, with encouragement and scripture pertaining to the topic. A friends feature allows you to share with your friends and swap notes. Audio Bible options available for iPhone and Android.