Librai vs ShelfMark
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Librai
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Librai reads your books back to you in the language you actually think in. Open any EPUB, PDF, MOBI, FB2 or CBZ. Librai rewrites the page you are on (the real page, not a summary) into Hinglish, Hindi, Spanish, French, German, Portuguese, Italian, Turkish, Arabic, Japanese or plain English. Tap the language chip to peek at the original whenever you want. Five translated pages every day are free. THREE WAYS TO READ THE SAME BOOK โข Read: calm Palatino typography, your fonts, margins, spacing and night-safe themes โข Speed: RSVP up to 900 WPM, free and unlimited โข Listen: hands-free playback with word-by-word highlighting Switch at any time from the reader toolbar. Your place follows you between modes. YOUR LIBRARY, ON YOUR DEVICE โข Import EPUB, PDF, MOBI, AZW, AZW3, FB2, FBZ and CBZ, or scan a physical shelf โข Collections, reading stats, goals and streaks โข Highlights and notes per book โข iCloud sync across your iPhone and iPad AI THAT KNOWS THE BOOK YOU ARE IN Ask questions about the chapter you are reading, get a summary before you start, or have a passage explained without leaving the page. FREE AND PRO Free: every format, up to 3 books, 5 translated pages a day, unlimited speed reading and listening. Pro: unlimited books, unlimited translation, unlimited AI and scans. Pro is an auto-renewing subscription. Payment is charged to your Apple ID at confirmation of purchase and renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your Apple ID settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://librai.app/privacy
ShelfMark
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A quiet reading tracker for people who love books more than apps. ShelfMark keeps your reading life in one calm, paper-warm place. Log the page you are on, keep a streak alive, and save the lines worth keeping. No account, no feed, no noise. MADE FOR READERS - Three shelves: to be read, reading, and finished. Move a book with a tap. - Quick page updates with percent complete, pages a day, and time left at your current pace. - A daily page goal beside your grace-day reading streak. - Search your library, filter by genre, and sort by recency, title, author, or progress. - A quote wall with the book, page number, and an optional photo of the page. - A yearly reading goal and Wrapped view with pages, streaks, genres, fastest reads, and monthly activity. - A private Home and Lock Screen widget for your current book, pages today, goal, and streak. - A complete local backup, additive restore, and Delete All My Data control. FREE AND LIFETIME ShelfMark is free for up to 3 books and 5 saved quotes. Reading progress, streaks, daily and yearly goals, search, backup, restore, deletion, and the widget stay useful without paying. A single Lifetime purchase unlocks unlimited books and quotes, the 30-day Reading Pulse, finish-date pace plans, full Wrapped statistics, and the one-page Reading Year PDF. It is a one-time purchase, not a subscription. Existing records always remain readable and editable. PRIVATE BY DESIGN Your reading library stays locally on your iPhone or iPad. No account, no analytics, and no tracking. Widget content uses Apple's private on-device App Group storage and is marked privacy sensitive.
Screenshots
Verdict
The clearest difference is update cadence: Librai at every 2 days against ShelfMark's weekly. Librai also leads on iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Librai sells 2 in-app purchases, starting at $4.99 per month and ShelfMark sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Librai ships an update every 2 days, ShelfMark weekly. The most recent releases landed on September 15, 2026 and October 3, 2026 respectively.
| Parameter | Librai | ShelfMark |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days โ better | Weekly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPad |
| Requires iOS | 15.1 โ better | 18.0 |
| Further details โ not scored | ||
| Size | 65 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Shivam Kumar Sanjiv Dev | InnovaLabWorks |
In-app purchases
Librai
- Librai Pro$4.991 Month
- Librai Pro7 Days trial$39.991 Year
ShelfMark
- ShelfMark Lifetime$12.99









