Flumen vs Librune
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.
Librune
A private, ad-free reader for EPUB, PDF, comics, and more. Organize your digital library, customize your reading experience with adjustable fonts and themes, and take notes and highlights. Read offline without an account.
- Ad-free reading experience
- Customizable fonts, themes, and brightness
- Highlighting and note-taking
- Organize books with categories and shelves
- Supports EPUB, PDF, comics, and documents
- Offline reading
- No account required
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Librune is a private, ad-free reader for EPUB, PDF, comics, and more. Build your personal digital library and read offline—no account required. A focused EPUB & PDF reading experience Focus on your book, not the interface. Librune keeps controls out of the way while making your reading position easy to follow. Personalize EPUB books with customizable fonts, text size, themes, brightness, line spacing, margins, and page layouts. Choose the settings that make reading most comfortable for you. Customize PDF page layouts to fit the way you prefer to read. Open EPUB footnotes where they are referenced without losing your place. Download language packs to translate selected text offline while reading books in another language. Highlights, quotes, and reading notes • Highlight passages across multiple pages • Choose from multiple highlight colors • Add personal notes to your highlights • Review quotes from an individual book or your entire library • Revisit saved quotes together with the date they were captured • Export your notes and highlights for backup • Transfer your annotations to another device Your personal ebook library • Organize books using categories and custom shelves • Edit covers, genres, languages, and descriptions • Quickly find books, even in large collections • Import individual books or select only the folders you want to access • Build your library without granting access to all your files Ebooks, documents, and comics in one reader Keep EPUB and FB2 ebooks, PDF and DOCX documents, Markdown and HTML files, and comic or manga archives together in one personal library. Read your files offline and continue exactly where you left off. Librune remembers your reading position, library organization, notes, highlights, and preferences. Your notes stay yours Your library data, reading positions, notes, highlights, and preferences are stored on your device. Librune requires no account, contains no ads, and lets you back up or export your annotations when you choose. Supported formats Ebooks: EPUB, FB2, FB2.ZIP Documents: PDF, TXT, HTML, Markdown, DOCX, ODT Comics: CBZ, CBR, CB7, CBT
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Verdict
The clearest difference is in-app purchases: Librune at none against Flumen's 1. On price, update cadence, ads and device support 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. Librune asks for nothing beyond the download.
Flumen ships an update every 9 days, Librune every 8 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.
| Parameter | Flumen | Librune |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 9 days | Every 8 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 16 MB | 64 MB |
| Age rating | 12+ | 4+ |
| Developer | Mathias Jaeger-Pedersen | Cihan ERDEN |
In-app purchases
Flumen
- Flumen Pro$6.99
Librune
No in-app purchases









