The Catholic Faith
From the question of God to the last things
Free on the App Store and Google Play
The Catholic faith, five minutes a day.
Bite-size lessons through the whole tradition, the Rosary and today's readings, live trivia battles, and your diocese on the board. A streak makes it a habit.
Begin with today.
No account needed to start. English, Spanish, and Portuguese.
- lessons, each about five minutes
- 1,100+
- courses, twelve of them on the saints
- 31
- dioceses with their own leaderboard
- 3,000+
- languages, lessons included
- 3
Learn
A path through the whole faith, one lesson at a time.
The main course carries you from the first question about God to the last things across twelve levels. Every lesson opens with a short illustrated telling, then asks you to work: word banks, matching, ordering events, story scenes, and picture rounds. A saint walks the path beside you.
- Twelve levels, 72 topicsCreation, the life of Jesus, the early Church, grace, the saints, Scripture, the end.
- Six kinds of questionWord bank, match pairs, order events, story scene, picture round, multiple choice.
- A letter from CatoEach section opens with a voiced note that sets the scene.
- The seven sacramentsA course on each one, from the font to the anointing, seven sections apiece.
- Seasonal coursesAdvent, Lent, Holy Week, Easter, and Pentecost, timed to the calendar.
Nineteen courses. Start anywhere.
Swipe on a phone
Seeking God
The case from reason alone. No faith required to begin
Praying the Mass
Understand every part of the Mass
The Rosary
Pray through every mystery
How the Bible Speaks
Reading every kind of writing in Scripture
Baptism
Born of water and the Spirit
Confirmation
Sealed with the gift of the Holy Spirit
The Eucharist
The source and summit of the Christian life
Confession
Reconciled to God and to the Church
Anointing of the Sick
Strength, peace, and courage in serious illness
Holy Orders
Configured to Christ the head and shepherd
Matrimony
Two become one flesh, and the sign is Christ
Advent
Preparing the way for the Lord's coming
Christmas
The Word made flesh, dwelling among us
Lent
Forty days of prayer, fasting, and almsgiving
Holy Week
From Palm Sunday to the empty tomb
Easter
Fifty days of resurrection joy
Pentecost
The fire of the Holy Spirit
Ordinary Time
Walking with Christ through the year
Pray
A prayer life that grows with you.
Every day the Prayer tab sets one prayer in front of you, read aloud if you like. Behind it is the whole prayer book: the Rosary with every mystery, a Bible you can highlight and search, the day's Mass readings, and the novenas the Church keeps coming back to.
- The Rosary, guidedAll four sets of mysteries, a light that travels the beads, and playback that keeps going with the screen locked.
- Today's Mass readingsThe Church's calendar in your pocket, with the season and its color.
- A full BibleBook and chapter picker, verse highlights, search, and your place kept.
- Twelve novenasDivine Mercy, Sacred Heart, St. Joseph, St. Jude, St. Michael, and more, with reminders for each of the nine days.
- The Daily ExamenSt. Ignatius's five-minute review of the day.
- Classic prayersThe Creed, the Memorare, the Angelus, the Anima Christi, in all three languages.
Play
Five minutes with something at stake.
Challenge a friend with an invite code or queue for a quick match: 1v1, 2v2, 3v3, or a free-for-all of up to twelve, fifteen seconds a question, and a rating that climbs. Between battles there is a daily word to solve, a quest to finish, and a streak to protect.
- Live trivia battlesA dedicated question bank, ranked and friendly modes, and a ladder to climb.
- Verbo, the daily wordOne Catholic word a day, five guesses, in English, Spanish, or Portuguese. Share the card.
- Hearts, XP, coins, questsA fresh quest every day. Streak freezes cover the busy ones.
- Dress CatoSpend coins on hats, capes, swords, and shields. He wears your progress.
Diocese
Your five minutes count for your diocese.
Pick your diocese from more than three thousand worldwide, each with its own coat of arms. Your XP joins your neighbors' on a weekly board, and the diocese room is a place to ask for prayers and to give them.
- A weekly roomA chat for your diocese that resets each week. Post a prayer request; a tap says someone prayed.
- Friends who prayAdd friends by username or QR code, see their streaks, and pray for them by name.
- Real classes near youReady for more than an app? Find catechesis at a parish near you and raise your hand from inside Cato.
- Your patron on your profileRank medallions, your saint, and a share card for your progress.
Saints
Walk with a saint.
Choose a patron the moment you open the app. They stand along your path, speak at the end of a lesson, and have a course of their own on their life and teaching, in all three languages. Your patron's course is always free.
- Thomas Aquinas
- Augustine of Hippo
- Thérèse of Lisieux
- Anselm of Canterbury
- Francis of Assisi
- Ignatius of Loyola
- Catherine of Siena
- Teresa of Ávila
- Benedict of Nursia
- Jerome
- John of the Cross
- Maximilian Kolbe
Every saint is hand-animated. Tap to meet the next one.
Have a look around.
Real screens from the app, nothing staged. Swipe to see more.
The path
The Rosary
Mass readings
Verbo
The courses
Friends and battles
Novenas
A saint's page
Cato's wardrobe
Free, and Pro
The whole main course stays free.
Cato is free to download and free to keep using. The main course, Seeking God, your patron saint's course, every prayer, the Rosary, the readings, battles, Verbo, and your diocese never cost anything. Cato Pro is for people who want the rest of the shelf, and it is what keeps the rest free.
Free
- The Catholic Faith, all twelve levels
- Seeking God, and your patron's course
- The Rosary, the Bible, readings, novenas
- Battles, Verbo, friends, your diocese
- Five hearts that refill on their own
Cato Pro
- Every course, including all twelve saints
- Unlimited hearts
A monthly or yearly plan, priced in the app for your country. Any single course can also be unlocked with the coins you earn.
Start your streak tonight.
The tradition is two thousand years deep. Begin with today.
Free on iPhone and Android. No account needed to start.