Liber Pro 3.6.2

Liber Pro offers an accessible rendition of the 1961 Liber Usualis, a comprehensive compilation featuring over 2,300 pages of Gregorian Chant for liturgical purposes. This digital version caters to users on iOS devices such as the iPhone, iPad, or iPod Touch. Enhancements include a linked table of contents, customizable bookmarks, various navigation options including vertical and horizontal paging and zooming, as well as a dynamic liturgical calendar.

This application transcends the basic functionalities of an eBook by integrating a complete 1961 Roman Calendar. This feature enables automatic calculation of moveable feasts throughout the liturgical calendar year. Users can effortlessly select a date, access information on proper, common, and feria for that day, and promptly navigate to the corresponding pages within the Liber Usualis.

Features:

• Browser:
• - Access to the 1961 Liber Usualis comprising over 2,300 pages
• - Seamlessly scroll, zoom, and navigate through pages via touch gestures
• - User-friendly "Back" and "Forward" buttons for browsing history traversal
• - Portrait and landscape orientation options available
• - Selectable paging directions: up and down or left and right
• - Customize page viewing with selectable overlay
• - In-App Purchase unlocks markup palette accessible via two-finger tap
• Calendar:
• - Automatic feast calculation based on the 1961 calendar
• - Direct links to proper, common, and feria for the selected date
• - Choose among today's date, adjacent dates, or utilize a date picker for specific day selection
• Bookmarks:
• - Personalize bookmarks to mark pages with specific positions and zoom levels
• - Manage bookmarks by reordering or deleting them individually
• Table of Contents:
• - Extensive table of contents with links to Masses, offices, rubrics, and more
• History:
• - Quick access to the most recently visited 100 pages during the current session
• Search:
• - Perform text-based searches within the Liber Usualis
• - Directly navigate to search results with a simple tap on the desired section
• Annotations:
• - On iPhone/iPod: - Three drawing tools along with a selection tool - Freeform or four-point-fill drawing modes - Four color options and capability to whiten out text on pages - On iPad: - Includes all annotation features from iPhone/iPod - Additional highlighter tool - Four-point-line-to mode - Twelve color palette