Why to carry hymn books when you can go digital? Why to print and waste paper printing hymns when you have an app to read from? Sing Praise is a new app that brings together over 500 Christmas carols and church hymns. Features of Sing Praise: 1. 40+ Christmas Carols. 2. 450+ Church Hymns. 3. Hymns categorised based on the parts of the mass. 4. Easy-to-use user interface.