Verbum (Free for basic components including a Roman Missal in English) Apple and Android and Kindle Fire and Mac and PC. This is a Catholic Bible study app under the Logos Bible Software product line. While Logos is primarily Protestant in orientation, its developers have created a Catholic version under the brand, Verbum. Not all Bible study apps are created equally. This one caters uniquely to Catholic study in that it incorporates sacred scripture and tradition. In addition to being a world-class app for studying the Bible, Verbum includes a Missal containing the complete lectionary (Scripture readings) for Mass. You should have a Bible app anyway, so as long as you’re shopping for a Missal app, why not get the very best Catholic Bible study app available on the market that also happens to come with the Mass readings? The price is right: Free! Read more about Verbum in our page on Bible Apps.