Comma Reading App vs Liberotus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Comma Reading App
This app offers a minimalist and private reading experience for EPUB and PDF files. It uses on-device AI for intelligent organization, chapter summaries, and text explanations, transforming your digital library into a beautiful, distraction-free collection.
- On-device AI for organization and summaries
- Automatic book categorization
- Chapter summaries and text explanations
- Full-screen distraction-free reader
- Customizable reading experience
- Privacy-focused, no data collection
- Import EPUB and PDF files
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A beautiful home for your EPUBs & PDFs. Lifelike read-aloud voices, smart organisation, highlights & excerpts. All private, all on-device. Sync with Pro. Comma is a minimalist EPUB and PDF reader for people who value simplicity, privacy, and focus. Built with Apple's latest technologies, it turns your digital library into a beautiful, organised collection while staying out of the way when you read. Library - Import EPUB and PDF files with ease - Add free, public-domain books from Standard Ebooks, built right in - Smart categorisation and custom categories - Search by title or author - Immersive Library Explorer for browsing and discovery - Home Screen widget for the books you're reading Apple Intelligence - Automatic book categorisation - Chapter summaries for quick understanding - All processing happens on-device for complete privacy Reading - Clean, distraction-free reading experience - Multiple themes, fonts, and layout options - Paginated or scrolling reading modes - Automatic position saving - Highlights, notes, and full-text search - Save memorable passages to the Excerpts Wall - "More Info" sheet with cover, description, publisher, and page count Listen (Read Aloud) - Natural, expressive neural voices that run entirely on-device Six languages: English, French, German, Italian, Portuguese, and Spanish - Over 25 voices with previews, plus built-in system voices - Adjustable speed, and listening continues in the background Comma Pro (One-Time Purchase) - iCloud Sync across your Apple devices - Sync library, reading progress, highlights, notes, and excerpts - Offload books to save storage while keeping your reading data More Features - Long-press any cover for quick actions - Per-book reading preferences - Adaptive reading controls - Reading progress tracking - Duplicate detection - Optimised for iPhone and iPad Privacy First - No ads. No tracking. No accounts. Your library stays yours. Apple Intelligence features require iOS 18.2 or later and a supported device (iPhone 15 Pro or newer, or iPad with M1 chip or later). Unsupported devices use smart fallback categorisation while keeping full reading functionality. Neural Read Aloud voices download separately and require a recent device.
Liberotus
Access and read your self-hosted ebook collection from your Grimmory server. Enjoy a private, elegant reading experience with offline access and seamless progress syncing across devices.
- Connect to self-hosted Grimmory server
- Browse entire ebook collection
- Sync reading progress
- Download books for offline reading
- Fast metadata browsing and search
- Support for large libraries
- Privacy-first design
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Your library, everywhere. Liberotus is a beautifully designed, privacy-first ebook reader and library app built specifically for Grimmory. Connect directly to your self-hosted Grimmory server and access your entire ebook collection anywhere, with a fast, elegant experience designed for serious readers and collectors. Built for Grimmory Liberotus is a dedicated companion app for Grimmory, giving you a native mobile experience for browsing, organising, and reading your self-hosted ebook library. * Connect securely to your own Grimmory server * Browse your complete ebook collection * Sync reading progress across devices * Continue reading exactly where you left off * Download books for offline reading * Fast metadata browsing and search * Support for large personal libraries A modern ebook experience Designed with rich typography, fluid navigation, and a clean interface that keeps the focus on your books. * Beautiful library browsing * Custom collections and organisation * Powerful search across titles, authors, and series * Responsive performance optimised for large libraries * Comfortable reading experience built for long sessions Privacy first by design Your library should belong to you — not advertisers or analytics platforms. Liberotus is built around a privacy-focused philosophy: * No advertising * No invasive analytics * No third-party tracking SDKs * Optional user-generated diagnostics only * Apple-native crash reporting support * Your data stays under your control Because your books, reading habits, and library are personal. Self-hosted freedom Liberotus works with your own Grimmory installation, giving you full ownership of your ebook ecosystem while providing a polished native app experience on iPhone. Your library, everywhere. Privacy Policy: https://broadlyfine.com/liberotus/privacy/ Terns of Usde: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Liberotus at none against Comma Reading App's 1. On price, review sentiment, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Comma Reading App sells 1 one-off in-app purchase. Liberotus asks for nothing beyond the download.
Comma Reading App ships an update every 2 weeks, Liberotus every 9 days. The most recent releases landed on September 27, 2026 and September 23, 2026 respectively.
| Parameter | Comma Reading App | Liberotus |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 26.0 | 26.0 |
| Further details — not scored | ||
| Size | 37 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Saleh Kayyali | Steve James |
Customer experience
Comma Reading App
Liberotus
In-app purchases
Comma Reading App
- Comma Pro$2.99
Liberotus
No in-app purchases









