EBook Libre vs Parallel Books
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EBook Libre
Access a vast library of classic and contemporary novels, thrillers, and children's books. Discover popular and recent titles, search for specific books, and enjoy reading features like bookmarks and a twilight mode.
- Thousands of novels, thrillers, and children's books
- Classics from French and international authors
- Books sorted by popularity and recency
- Search engine for finding books
- Bookmark and auto-save functionality
- Customizable background fonts
- Twilight reading mode
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Read the world's greatest books — with AI by your side. Ebook Libre brings you thousands of timeless classics from the public domain (Project Gutenberg and beyond) and lets AI summarize, translate and even read them aloud — chapter by chapter. AI CHAPTER SUMMARIES Grasp any chapter in seconds. Ideal for studying, revising, or deciding what to read next. SENTENCE-BY-SENTENCE TRANSLATION Read in the original language without being fluent. The original text and its translation appear together, sentence after sentence — a beautiful way to learn through the books you love. LISTEN AS AUDIO Turn any summary or chapter into natural speech. Read with your eyes, or your ears, anywhere. THOUSANDS OF FREE, LEGAL BOOKS Classics in English, Spanish, German, Italian and more — all public domain, 100% legal. Or import your own EPUB and PDF files. A CLEAN READING EXPERIENCE Minimalist, border-free interface. Customize font, size and theme (light, sepia, dark). CLOUD SYNC Pick up your reading right where you left off, on all your devices. — Ebook Libre PRO (optional subscription): unlimited translations and summaries, no ads, cloud sync. Monthly or annual auto-renewing subscription billed to your Apple account. Renewal is charged 24h before the end of the current period unless turned off. Manage or cancel in your account settings. Terms: https://ebook-libre.web.app/terms.html · Privacy: https://ebook-libre.web.app/privacy.html
Parallel Books
Learn a new language by reading books with side-by-side translations. This app keeps translations synchronized as you read, allowing for full immersion. Easily switch between display modes and add notes for a personalized learning experience.
- Dual language display
- Synchronized translations
- Adjustable display modes
- Searchable notes
- Day/night themes
- Highlighting
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Become fluent in a new language. Read a book in your new tongue while having a parallel copy in your native language handy for reference. Now thanks to Parallel Books, this technique is available on iPad, iPhone and iPod touch. Translations will automatically stay in sync, leaving you free to be immersed in the words on the page. Reading a book in two different languages at the same time has never been easier! - Designed for people learning a new language. - Displays a book simultaneously in two different languages. - Translations stay in sync as you read. - Stretchy, “chewing gum" overlay visually connects parallel content. - Chewing gum overlay can be hidden. - Translations can be displayed in two columns on the screen, or each translation can fill an entire screen. - Continuously scrolls or pages through content without needing to change mode. - Tapping on a paragraph shows the translation of that paragraph. - Double tapping hides tool bars, giving more space. - Multicolored highlights and searchable notes can be added. - Includes day and night themes. - Currently books are available in English, German, French, Spanish, Portuguese, Russian, Italian, Dutch, Swedish, Esperanto, Korean, Chinese, Arabic plus more. - Some books include multiple translations in the same language; ideal for literature and translation students. - Parallel Books is in development for other platforms. - New books are being added all the time. - All books are currently FREE.
Screenshots
Verdict
The clearest difference is in-app purchases: Parallel Books at none against EBook Libre's 2. Parallel Books also leads on ads (none vs shown). EBook Libre's advantage is update cadence (every 2 days vs every 3 months) and review sentiment (59% vs 40%). On price, monetization model, 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. EBook Libre sells 2 in-app purchases, starting at $2.99 per month. Parallel Books asks for nothing beyond the download.
EBook Libre ships an update every 2 days, Parallel Books every 3 months. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.
| Parameter | EBook Libre | Parallel Books |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (153 ratings) — better | — |
| Positive reviews | 59.1% of reviews — better | 40.0% of reviews |
| Number of ratings | 153 — better | — |
| Update frequency | Every 2 days — better | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 118 MB | 2 MB |
| Age rating | 4+ | 12+ |
| Developer | Manh Toan Nguyen | High Tea IT Limited |
Customer experience
EBook Libre
Parallel Books
In-app purchases
EBook Libre
- Ebook Libre Pro - Monthly$2.991 Month
- Ebook Libre Pro — Yearly$29.991 Year
Parallel Books
No in-app purchases









