Liber Pro icon
Liber Pro4.4 (8)

Anchoright Productions

App Store

Report updated Apr 28, 2026

Overview · Full Intel report in progress

Liber Pro is an established reference app that is completely free. With a 4.4/5 rating from 8 reviews, it shows polarized user reception.

What is Liber Pro?

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.

Current Momentum

v3.6 · 3w ago

Intense

Last updated 21d ago. 5 versions tracked.

Competition

Rivals identification in progress

7-Day Rank Pulse 🇺🇸

Reference

No ranking data

SocialGrossing

Rating Pulse 🇺🇸

What makes this app unique?

What Does It Look Like?

What Are The Key Features?

1961 Liber Usualis LibraryStandard

Provides a complete digital archive of over 2,300 pages of Gregorian Chant.

Dynamic Liturgical CalendarStandard

Automatically calculates moveable feasts and links users directly to the corresponding proper, common, or feria pages.

Browser-like NavigationStandard

Includes back and forward buttons, touch-based zooming, and support for both portrait and landscape orientations.

User-Defined BookmarksStandard

Allows users to save specific pages for quick retrieval during liturgical use.

How much does it cost?

Free

Who Built It?

Anchoright Productions app icon 1
Anchoright Productions app icon 2
Anchoright Productions app icon 3
Anchoright Productions app icon 4

Anchoright Productions

(308)

Providing digital access to traditional Catholic liturgical resources and community tools. Enabling the faithful to follow and locate Latin Mass services globally.

Portfolio

3

Apps

Free 2
Utilities50%
Social Networking50%

Explore the full Anchoright Productions report

Portfolio breakdown, audience, momentum, and every app published by Anchoright Productions.

Go deeper

Analysis in progress, available soon

What do users think recently?

Analysis in progress, available soon

View the full user-sentiment analysis

Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.

Go deeper

Analysis in progress, available soon

What is the competitive landscape for Liber Pro?

How's The Reference Market?

How does it evolve in the Reference market?

Rank progression

1 active ranking tracked — 30-day window

Strategic analysis coming soon

SWOT, key takeaways & outlook

The outtake for Liber Pro

Key Takeaways

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.

Where Is It Heading?

Trend analysis

Available very soon

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Liber Pro, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Liber Pro Intelligence Report.” Updated Apr 28, 2026. https://marlvel.ai/apps/liber-pro

Agent Markdown (.md)See methodologyContact support

Data licensed under CC-BY-NC 4.0