Cato: Learn the Catholic Faith

Cloister Studio LLC

In-app purchases

About this app

Cato makes learning the Catholic faith a daily habit: a lesson, a prayer, and a passage of Scripture in about five minutes a day.

Whether you're a lifelong Catholic, returning to the Church, going through OCIA, or just curious about Catholicism, Cato helps you understand what the Church teaches and why.

LESSONS THAT STICK
• Nearly 750 short lessons, from the existence of God to the sacraments, the Mass, and the last things
• Courses on the Rosary, the liturgical seasons, and the lives of the saints
• Grounded in Scripture and the Catechism of the Catholic Church
• You learn by answering quiz questions, not just reading

PRAY EVERY DAY
• An interactive Rosary
• The Ignatian Examen
• Novenas
• Guided morning and night prayers to open and close the day

THE WHOLE BIBLE
• Read the full Catholic Bible, search it, and highlight passages
• Today's daily Mass readings are a tap away

COMPETE AND CONNECT
• Live Catholic quiz battles against other users
• Earn XP that counts toward your diocese on the leaderboard

KEEP THE FLAME
• Daily streaks and XP that keep you coming back
• Available in English, Spanish, and Portuguese

Free to start. No ads, ever.

Download Cato and start learning your Catholic faith today.

What’s new

Hold Home or Prayer in the tab bar for shortcuts to your next lesson, other courses or today's Rosary. Pick your country first to find your diocese faster, and hundreds more dioceses now show their coat of arms. A clearer Cato Pro checkout, with better messages if a purchase can't go through.