Flumen vs LiBook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flumen
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Read your EPUB books on iPhone, iPad, and Mac with Flumen. Import your own files, browse classics, and keep your books together in one library. Organize your books Create collections, sort by title, author, or progress, and filter books by what you've started or finished. Bookmark the book you're reading to keep it at the top of Library and ready to open from Home. Return to your reading Home shows your current book, saved chapter, and reading progress, with a Continue Reading button to take you back. See how many minutes you've read today and return to other books you've started. Set up the page to suit you Choose a reading theme, font, and text size. Use Paper or Sepia for a warmer page, or switch to a dark theme. Flumen remembers your reading preferences for each book. Find something to read Browse genres and authors, search Project Gutenberg and Standard Ebooks, and download public-domain books straight to your library. Open a book's details to learn more before adding it. Flumen Pro The free version holds up to 15 books and includes EPUB import, Discovery, collections, reader customization, and today's reading time. Flumen Pro is a one-time purchase that adds: • Unlimited books in your library. • Reading goals, streaks, weekly charts, and monthly summaries, including a comparison with the same point last month. • iCloud sync for your books, reading progress, collections, bookmarked book, and reader settings across your Apple devices. To sync, sign in to the same Apple Account with iCloud enabled on each device. Privacy Your library and reading history are stored on your device, with optional iCloud sync through Flumen Pro. Flumen has no ads or third-party analytics tracking.
LiBook
Consolidate all your digital books, including EPUB, PDF, and TXT files, into a single, customizable reading environment. Enjoy hands-free page turning, text-to-speech functionality, and seamless cloud synchronization across devices. Organize your library with ease and tailor the reading experience to your preferences.
- Import EPUB, TXT, PDF files
- Custom fonts and themes
- Volume button page turning
- Text-to-Speech (TTS) mode
- iCloud sync and offline downloads
- Smart library organization
- Full-text search and bookmarks
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Tired of having your favorite web novels, study PDFs, and EPUB books scattered across different apps? Wish you could read everything with your favorite custom fonts, soothing colors, and seamless sync across devices? LiBook is a personal eBook reader crafted to bring all your digital books together into one serene, distraction-free space. Import your EPUB, PDF, and TXT files, organize your personal library, and immerse yourself in pure reading comfort. [ Tailored to Your Eyes: Complete Customization ] - Bring Your Own Fonts: Import and select external font files (.ttf / .otf) for EPUB and TXT books to create your ideal typography. - Custom Themes & Contrast Guidance: Design your own reading themes with custom background and text colors, complete with smart contrast guidance to keep your eyes comfortable. - Precision Layout Controls: Fine-tune font size, line spacing, paragraph spacing, and top/bottom/side margins down to the smallest detail. [ Hands-Free Page Turning: Volume Buttons & Bluetooth Remotes ] - Volume Button Navigation: Effortlessly flip pages one-handed using your device's side volume buttons (+/-). Easily toggle this option on or off in Settings. - Bluetooth Remote & Page Turner Support: Prop your iPad or iPhone on a stand and turn pages remotely from under a cozy blanket without ever touching the screen. [ Give Your Eyes a Break with Built-In TTS (Text-to-Speech) ] - Commuting or resting your eyes in bed? Switch seamlessly to TTS mode and listen to your books like an audiobook. - Includes full playback controls: play/pause, skip forward/back, customizable reading speeds, and a convenient Sleep Timer. [ Seamless iCloud Sync & Smart Storage Management ] - Pick up on your iPad at the exact line where you left off on your iPhone. Your books, reading progress, bookmarks, and highlights sync automatically via your Apple Account. - Offline Collection Download: Download entire collections at once so you can read worry-free on flights or subways without internet access. - Smart Space Saver ("Remove Download"): Running low on device storage? Remove the local file from your device while keeping the book and your reading data safely stored in iCloud. [ Optimized Engines for EPUB, TXT, and PDF ] - Smart TXT Chapter Detection: Automatically detects chapter breaks in plain text files to build a clean table of contents. - Flexible PDF Viewing: Customize fit-to-screen options, scroll directions, and page-turn styles for effortless document reading. - Distraction-Free Scroll Mode: Remembers your exact scroll position and prevents accidental chapter jumps by restricting chapter navigation to intentional left/right swipes. [ Organize, Highlight, and Rediscover ] - Effortless Library Management: Import entire folders and organize your books into clean collections with flexible sorting options. - Powerful Reading Tools: Navigate easily with a smart Table of Contents (highlighting your current chapter), full-text search, bookmarks, and highlights. [ 100% Private & Zero Ads ] - No sign-ups, no accounts, and zero ads. - LiBook does not collect or transmit any personal data. Your books and reading notes stay strictly on your device and in your private iCloud. Download LiBook today and enjoy a cleaner, smarter, and more comfortable daily reading experience!
Screenshots
Verdict
The clearest difference is in-app purchases: LiBook at none against Flumen's 1. LiBook also leads on update cadence (every 3 days vs every 9 days). On price, ads, device support and iOS requirement 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. Flumen sells 1 one-off in-app purchase. LiBook asks for nothing beyond the download.
Flumen ships an update every 9 days, LiBook every 3 days. The most recent releases landed on November 10, 2026 and November 11, 2026 respectively.
| Parameter | Flumen | LiBook |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.2 (6 ratings) — better |
| Positive reviews | — | 95.7% of reviews |
| Number of ratings | — | 6 — better |
| Update frequency | Every 9 days | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 16 MB | 20 MB |
| Age rating | 12+ | 4+ |
| Developer | Mathias Jaeger-Pedersen | JOOYOUNG MAENG |
In-app purchases
Flumen
- Flumen Pro$6.99
LiBook
No in-app purchases









