# Catholic 2021 Pro — Catholic Calendar 2021 Pro > Catholic liturgical calendar with appointment management and color-coded events. (iPhone/iPad app by Lui Chih Kuang.) - Source: https://appshunter.io/ios/app/catholic-2021-pro/id1078010446 (this page in markdown: same URL + `.md`) - Developer: [Lui Chih Kuang](https://appshunter.io/developer/796085149) - Category: Utilities - Price: $0.99 - Rating: 3.00/5 from 2 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 13.6 · 3 MB - Languages: English - Released: 2016-01-28 - Data updated: 2026-06-10 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/catholic-2021-pro/id1078010446/reviews.md ## What is Catholic 2021 Pro? A comprehensive calendar app to view dates of significance in the Catholic Christian community such as Holy Days of Obligation, Feast Days, Days of Observance and Seasons in the Liturgical year. The dates are colour coded in the main page and there is a function to filter the colours according to the users' preference. There is also an Appointment page where users can add and manage their appointments. The Appointments are also colour coded in the main page. This calendar is based upon the last revision of the General Roman Calendar made in 1969 and used mainly among member countries of the International Commission on English in the Liturgy (ICEL). Nevertheless, adorations are allowed on different theological orientations. Hence, feast days and holy days of obligation may differ from one country or one community to another. While the information on this calendar is true and complete to the best of our knowledge, changes in circumstances after the time of publication may impact on the accuracy of the information. This calendar is provided for general informational only. This is the Pro version, so you can add an unlimited amount of appointment entries as well as have the flexibility to adjust the appointment dates. The Pro version is also ad free. ## Key features - Liturgical year calendar - Holy Days of Obligation - Feast Days - Days of Observance - Color-coded dates - Appointment management - Unlimited appointment entries (Pro) ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/catholic-2021-pro/id1078010446/reviews.md ### 1/5 — Junk *2018-09-09, version 1.0.4* Calendar incorrect. ## Frequently asked questions about Catholic 2021 Pro ### What is Catholic 2021 Pro? Catholic 2021 Pro is a paid utility app that provides a detailed Catholic liturgical calendar. It highlights important dates like Holy Days of Obligation and Feast Days, and allows users to manage personal appointments with color-coding. ### What kind of dates does Catholic 2021 Pro show? Catholic 2021 Pro displays dates of significance in the Catholic Christian community, including Holy Days of Obligation, Feast Days, Days of Observance, and Seasons in the Liturgical year. ### Can I add my own events to Catholic 2021 Pro? Yes, the Pro version of Catholic 2021 Pro includes an Appointment page where users can add and manage their personal appointments. These appointments are also color-coded on the main calendar page. ### How many appointments can I add to Catholic 2021 Pro? The Pro version of Catholic 2021 Pro allows you to add an unlimited amount of appointment entries. This offers significant flexibility for managing your personal schedule. ### Does Catholic 2021 Pro have ads? No, the Pro version of Catholic 2021 Pro is ad-free. This ensures an uninterrupted user experience for managing your religious calendar and appointments. ### What is the price of Catholic 2021 Pro? Catholic 2021 Pro is a paid app priced at $0.99. This one-time purchase grants access to all its features, including unlimited appointment entries and an ad-free experience. ### What devices is Catholic 2021 Pro compatible with? Catholic 2021 Pro is supported on iPhone and iPod devices. It was last updated on February 15, 2021, with version 2.0.0. ### What is the age rating for Catholic 2021 Pro? Catholic 2021 Pro has an age rating of 4+. This indicates it is suitable for a wide range of users, including younger individuals who can benefit from its organizational features. ## Version history (last 5 releases) ### 2.0.0 — 2021-02-15 Calendar updated for the year 2021. All new layout for pleasant viewing and easy browsing! Comes in Light Mode and Dark Mode. This calendar is based upon the last revision of the General Roman Calendar made in 1969 and used mainly among member countries of the International Commission on English in the Liturgy (ICEL). Nevertheless, adorations are allowed on different theological orientations. Hence, feast days and holy days of obligation may differ from one country or one community to another. While the information on this calendar is true and complete to the best of our knowledge, changes in circumstances after the time of publication may impact on the accuracy of the information. This calendar is provided for general informational only. ### 1.0.7 — 2019-12-31 Calendar updated for the year 2020. ### 1.0.6 — 2019-01-16 Bug fixes. This calendar is based upon the last revision of the General Roman Calendar made in 1969 and used mainly among member countries of the International Commission on English in the Liturgy (ICEL). Nevertheless, adorations are allowed on different theological orientations. Hence, feast days and holy days of obligation may differ from one country or one community to another. While the information on this calendar is true and complete to the best of our knowledge, changes in circumstances after the time of publication may impact on the accuracy of the information. This calendar is provided for general informational only. ### 1.0.5 — 2019-01-01 Calendar updated for the year 2019. This calendar is based upon the last revision of the General Roman Calendar made in 1969 and used mainly among member countries of the International Commission on English in the Liturgy (ICEL). Nevertheless, adorations are allowed on different theological orientations. Hence, feast days and holy days of obligation may differ from one country or one community to another. While the information on this calendar is true and complete to the best of our knowledge, changes in circumstances after the time of publication may impact on the accuracy of the information. This calendar is provided for general informational only. ### 1.0.4 — 2018-09-04 Bug fixes. This calendar is based upon the last revision of the General Roman Calendar made in 1969 and used mainly among member countries of the International Commission on English in the Liturgy (ICEL). Nevertheless, adorations are allowed on different theological orientations. Hence, feast days and holy days of obligation may differ from one country or one community to another. While the information on this calendar is true and complete to the best of our knowledge, changes in circumstances after the time of publication may impact on the accuracy of the information. 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User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*