Liber Pro provides a digital, indexed version of the 1961 Liber Usualis, offering over 2,300 pages of Gregorian Chant for iOS devices. The app integrates a dynamic liturgical calendar that automatically calculates moveable feasts and links directly to relevant chant pages. It is notable for digitizing a massive liturgical text while providing browser-like navigation and bookmarking capabilities.
Overview · Full Intel report in progress
The App DNA
What makes this app unique?
For The app is designed for clergy, music students, and members of a schola who require access to traditional liturgical texts and Gregorian chant scores.
What does it look like?
Key features
Provides a complete digital archive of over 2,300 pages of Gregorian Chant.
Automatically calculates moveable feasts and links users directly to the corresponding proper, common, or feria pages.
Includes back and forward buttons, touch-based zooming, and support for both portrait and landscape orientations.
Allows users to save specific pages for quick retrieval during liturgical use.
How much does it cost?
Velocity
Intense developmentShow more...
5 versions in history. Development pace: intense.
Who built it?
User Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for Liber Pro
How's the Reference market?
The rivals identified
The Analyst's Read
Key takeaways for Liber Pro
Where is it heading?
Bottom line
While the app offers an invaluable, low-cost digital reference for the Liber Usualis, users report that the interface can be slow and the page-turning experience lacks the fluidity of a standard eBook reader.
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