"Purgatory" is an educational and reference application designed for faithful Catholics seeking to fulfill their obligation to pray for the Holy Souls. The app offers a 30-day devotion for the souls in Purgatory, providing a treasury of prayers and meditations from the Catholic Church's tradition. It includes an explanation of Indulgences, guiding users on how to gain them and who benefits. Developed by Bil Kimes, this app is a valuable resource for those looking to engage in charitable acts through prayer.

The program, available for iPhone, offers a convenient way for users to access prayers and meditations on the go. With a single purchase, users can enjoy the app on both their iPad and iPhone or iPod, making it a versatile tool for spiritual practice.