Laudate App
It's got it all: mass explanations, prayers, stations, daily readings, rosary. Definitely earns #1 Catholic app.
Fun Fact: Laudate comes from Psalm 117 meaning "Sing praises, all you peoples, sing praises to the Lord" in Latin.
Bible App
Pops up short bible verses daily for whenever you set the time to. Daily devotionals to follow. SO. MUCH. STUFF! Excellent little reminders in the midst of a crazy day.
Sprinkle of Jesus App
The app title says it itself, sprinkle a little bit of Jesus on your phone throughout your day.