Introibo: TLM App

Introibo ad altare Dei. I will go unto the altar of God. Introibo is a prayer companion built for traditional Catholics who attend the Latin Mass. Whether you worship at an FSSP, ICKSP, SSPX, or diocesan TLM parish, Introibo puts the complete 1962 Missal in your pocket with 422 daily Propers woven into the Ordinary in correct liturgical order, so you can follow along from the Prayers at the Foot of the Altar through the Last Gospel. Every day resolves to a proper Mass formulary with Introit, Collect, Epistle, Gradual, Gospel, Offertory, Secret, Communion, and Postcommunion in side-by-side Latin and English. The calendar covers every Sunday, all of Lent and Holy Week, Easter and Pentecost Octaves, Ember Days, Advent, and 285 saints feast days. All four great Sequences in full: Victimae Paschali Laudes, Veni Sancte Spiritus, Lauda Sion Salvatorem, and Dies Irae. The Ordinary includes the full Roman Canon from Te Igitur through Per Ipsum, the Nicene Creed with Filioque, Gloria, Confiteor, Psalm 42, and the Prologue of St. John. The Today screen is your daily companion: liturgical calendar, Propers of the Day, daily psalm from the Vulgate, penance tracking across 1962 and 1917 disciplines, prayer rule progress, patron saint streak, Marian antiphon, and First Friday, Saturday, and Ember Day flags. PRAYERS AND DEVOTIONS - 38 traditional prayers in Latin and English including Our Father, Hail Mary, Memorare, Anima Christi, Act of Contrition, Angelus, Regina Caeli, De Profundis, Sub Tuum, Grace Before and After Meals, Miserere, Veni Creator Spiritus, Acts of Faith Hope and Charity, and more - Build a personal prayer rule with morning, midday, and evening schedules and daily checklist with progress tracking - Browse 11 occasions: Morning, Before Mass, After Mass, Meals, Marian, Eucharistic, Before Confession, For the Departed, In Temptation, For Protection, Evening - Sort by custom order or alphabetically with decorative drop cap on each prayer THE HOLY ROSARY - Interactive bead-by-bead flow through 79 prayer steps with Joyful, Sorrowful, Glorious, and Seasonal mysteries - Mystery title, English name, and fruit displayed throughout each decade - Daily rotation with seasonal overrides during Advent and Lent, no Luminous Mysteries STATIONS, OFFICE, AND CONFESSION - 14 Stations of the Cross with winding pilgrimage path, meditations, Adoramus Te, and Stabat Mater in Latin and English - All 8 canonical hours of the 1962 Breviary on a clock dial with Latin and English for psalms, hymns, antiphons, and responsories - Examination of Conscience through the Ten Commandments and two guided confession paths FOLLOW A PATRON SAINT - 7 patron saints with daily practice checklists for Morning, Day, and Evening - Tap each practice to check it off and track your streak day by day - 14 saint-specific prayers in Latin and English, two for each patron saint - Saint-specific penances displayed on the Today screen when following LEARN LATIN - 10 progressive lessons from ecclesiastical vowels through reading the Vulgate - 91 interactive flashcards with phonetic pronunciation and a daily Latin word - Multiple-choice quizzes with mastery tracking and progress ring REFERENCE LIBRARY - 41 articles across 7 categories covering the calendar, sacraments, prayer, penance, sacramentals, and devotions - Search across all 422 Mass propers by saint name, scripture, or keyword - Timeline of the Traditional Latin Mass from the Last Supper to today - Glossary of 25 liturgical terms with Latin, English, and definition DESIGNED FOR TRADITION - Three themes: Parchment, Clean White, and Dark Walnut - Adjustable text size with three scale ranges and text darkness slider - Latin only, English only, or side-by-side bilingual display - Support for 1962, 1955, and pre-1955 Missal rubrics - Works completely offline and ad free Built with reverence for the sacred liturgy and the timeless traditions of the Roman Catholic Church.