Catholic lessons, prayers and the Rosary

Learn the Catholic faith, step by step

Saints Light teaches the Catholic faith in short lessons you can read in under ten minutes. Every lesson cites the Catechism of the Catholic Church by paragraph number, quotes Scripture, and ends with three questions that explain each answer. 5 courses, a Prayer Book of 93 prayers and a guided Rosary are free to read here, and the whole of it is an app for iPhone and Android.

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Every course is open free for your first 14 days in the app. No account, no ads, no subscription.

Read these courses free, in full

67 complete lessons, each with its Scripture, Catechism references, key points and questions. Those marked with a class plan include leader notes for a one hour parish class.

• 12 lessons · freeStart Here: The Catholic Faith in Twelve LessonsThe whole map of the Catholic faith in twelve short lessons, from why you exist to how the story ends. Read one a day and you will know where every other course fits.
• 12 lessons · freeThe Apostles' Creed, Line by LineTwelve lessons, one for each article of the Apostles' Creed, explaining what every line means, where it comes from in Scripture, and why it matters for your life.
• 9 lessons · freeBecoming Catholic: Your OCIA CompanionA step by step companion for the journey into the Catholic Church, from your first inquiry class to the Easter Vigil and beyond. It also welcomes Catholics who are finding their way home after years away.
• 10 lessons · freePreparing for BaptismTen clear lessons on what Baptism is, what it does, how the rite unfolds and how to live it afterward. Each lesson includes a ready-to-use plan for a parish preparation class.
• 24 lessons · freeJesus Loves Me: A Catechism for ChildrenTwenty-four joyful lessons for children, from "God made me and loves me" to "Heaven is our home". Each lesson comes with a ready one-hour class plan, a memory verse and a closing prayer.

Pray

• 93 prayers · freeThe Prayer BookThe essential prayers, prayers at Mass, Marian prayers, litanies, the Stations of the Cross and prayers for every need, each with a note on when and why to pray it.
• 20 mysteries · freeHow to pray the RosaryThe order of the prayers, bead by bead, and all twenty mysteries with Scripture, a meditation and an intention for each.
• 7 guides · freePractical guidesHow to go to Confession, what to do at your first Mass, an examination of conscience, how to start reading the Bible and how to become Catholic.

More courses in the app

Each of these 11 courses has a summary page for every lesson here: what it teaches, the Catechism paragraphs it cites and a sample question. The full lessons are in the app, open free for 14 days.

• 9 lessonsThe Seven SacramentsWhat a sacrament is and how each of the seven works, from Baptism to Matrimony, with the practical steps for going to Confession and a clear look at holy water, medals and scapulars.
• 10 lessonsThe Mass, ExplainedA walk through the Mass from the moment you enter the church to the final blessing: what each part means, what to do, and how the Mass is celebrated across the year and around the world.
• 12 lessonsThe Ten CommandmentsWalk through the Ten Commandments one by one: what each asks of us, what it forbids, and the freedom and love it protects. Finish with the Great Commandment and the Beatitudes, where Christ brings the law to its fullness.
• 10 lessonsLearning to PrayA practical, step by step course in Catholic prayer: the Our Father, the Rosary, Scripture, the Examen, the Hours, Adoration, the saints, and what to do when prayer goes dry.
• 10 lessonsThe Bible, the Catholic WayWhat the Bible is, how the Church received it, and how to read it with confidence. Ten lessons that take you from the 73 books to a plan you can start this week.
• 10 lessonsMary and the SaintsWhat the Church really teaches about Mary and the saints, from the four Marian dogmas to apparitions, canonization and relics. Clear answers to the questions friends and family actually ask.
• 10 lessonsGrace, Virtue and SinHow God's grace actually works in a human life, how virtues are built and sins are overcome, and what the Church really teaches about faith, works, conscience and holiness.
• 8 lessonsDeath, Judgment, Heaven and HellWhat the Church really teaches about death, judgment, purgatory, heaven, hell and the end of the world, and how to prepare for a good death.
• 16 lessonsAnswers to Hard QuestionsSixteen honest questions people ask about the Catholic faith, each stated at its strongest and answered with Scripture, reason and history. Gentle apologetics for real conversations.
• 12 lessonsTwo Thousand Years in Twelve LessonsThe story of the Church from Pentecost to today, told honestly: the saints and the scandals, the councils and the quarrels, and the faith that came through it all.
• 8 lessonsCatholic Social TeachingThe principles the Church offers for building a just society: human dignity, the common good, subsidiarity, solidarity, work, the poor, creation and peace. Principles, not party platforms.

What the app adds

• Mark each lesson done and see your progress, course by course. It is kept on your phone.
• Take any lesson as a guided class with an opening prayer, pauses to think, the quiz and a closing prayer.
• The whole Catholic Bible, all 73 books, with search, and the Mass readings for Sundays and holy days.
• A guided Rosary with sacred art for each of the twenty mysteries.
• Ask a question and get the lessons that answer it. The answers are the lessons themselves, never AI text.
• Works offline. No account, no ads, no tracking.

Common questions