CCCSeries111.26.2 - App Store

Experience the Catechism as it deserves - beautiful, accessible, and reverent.

Learn the Catholic faith like never before! The CCCSeries1 Catechism App transforms the timeless mysteries and traditions of the Church into 24 engaging, interactive quizzes.

NO ADS. EVER.
NO CELEBRITY ENDORSEMENTS.
We NEVER invade your privacy with constant emails or spam.
We refuse to dumb down the Faith or insult your intelligence with silly cartoon images, trendy avatars, or gimmicks.
Instead, we offer pure, reverent, distraction-free prayer tools-traditional, beautiful, and worthy of the sacred realities they serve. Your focus belongs on God, not on ads, notifications, or cheap entertainment.

Perfect for the Catechist, home-schooler, catechumen, CCE teacher, or student-if you are inspired to know your faith better, this is the app you want to own!

Test your knowledge with over 2,800 questions and answers beautifully organized across 24 themes. Every quiz provides scored feedback and immediate answer validation, offering small windows into the vast depth and breadth of Church teaching.

Key Features
All Four Pillars: Explore with confidence the major parts of the Catechism:
I. Beliefs (The Creed)
II. Sacraments (Liturgy & Worship)
III. Morality (Life in Christ)
IV. Prayer (The Lord's Prayer)

24 Perfect Organized Themes: Easily navigate key ideas and theological topics.
Gamified Learning: Test your knowledge, track your score, and build confidence in authentic Church lessons.
Direct Vatican Integration: Access quick-link Catechism references that open the official Vatican website seamlessly inside the app for extended study.

The official Vatican online Catechism is a valuable resource, but its outdated interface makes deep study difficult. CCCSeries1 brings the full, exact text of the Catechism of the Catholic Church into a modern, prayerful, interactive experience with classical sacred art, engaging quizzes, and easy navigation.

Important Access & Copyright Information

WiFi Required: To strictly adhere to international copyright laws, this app connects directly to the official Vatican website for full-text reference reading. An active internet or WiFi connection is required to use these live Vatican links.

USCCB Licensing Compliance: The Holy See has granted the United States Conference of Catholic Bishops (USCCB) specific rights regarding the Catechism of the Catholic Church. In compliance with these guidelines, this app operates as an interactive educational tool and academic discourse platform, directly attributing and linking all quotes and references to the official text repository of the Holy See.

Version History Minor corrections to quiz views 11.26.2 Jun 17 All views completely redesigned and updated for all iPhone versions and sizes thru 2026. Dark Mode Support included. 11.26.1 Jun 13 Support for iOS 18+ and iPhone 16 Pro and iPhone 16 ProMax 11.04 04/28/2025 Updates for version 17+ and iPhone 15 series devices 11.01 03/22/2024 Corrected error on Catechism View 10.09 06/23/2023 Added email button to About view, updated iPhone 14 image sizes 10.08 06/21/2023 Updated for iOS 16+ 10.07 06/08/2023 iPhone 14, iPhone 14 Plus, iPhone 14 Pro, iPhone 14 Pro Max, and iOS 16 10.04 11/15/2022 Updated all views to WebKit enabling improved readability and faster load times. 10.02 08/25/2022 Updated for iOS 15.x and iPhone 13 1170px × 2532px viewport 10.01 11/16/2021 Updates for iOS 14.x and 2021 Calendar updates and iPhone 12, iPhone 12 Mini, iPhone 12 Pro, and iPhone 12 Pro Max sizes. 9.15 02/27/2021 Minor corrections for iOS 13.x 9.02 07/25/2020 Minor updates to support iOS 13.x 9.01 03/04/2020 Minor correction to "Prayer Section Quizzes" 8.13 12/06/2018 Updates for iOS 12.x and iPhone XR, XS and XS Max 8.12 11/20/2018 View modifications to synchronize consistency across all display sizes 8.05 05/15/2018 Minor Navigation changes to comply with iOS 11.x 8.04 05/02/2018 Minor corrections to the Vatican link views 8.03 03/01/2018 ALL NEW DESIGN!
Updated for iOS 11.x and iPhone X
The entire Catechism of The Catholic Church, over 2500 quiz questions, refreshed daily, designed to improve or develop your knowledge of the entire Catechism 8.01 01/15/2018 Includes updates for iOS 7 but retains connectivity with iOS 5. Views for iOS 7 now have the "Slim" effects consistent with iOS 7. Connectivity tests using Apple "Reachability". All internet connections remain inside the App. 2 03/07/2014 Added social networking 1.2 08/02/2013 1.1 11/03/2012