Comparison

Librai vs ShelfMark

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Librai

Features
Read full description

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 โ€ข Read: calm Palatino typography, your fonts, margins, spacing and night-safe themes โ€ข Speed: RSVP up to 900 WPM, free and unlimited โ€ข 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 โ€ข Import EPUB, PDF, MOBI, AZW, AZW3, FB2, FBZ and CBZ, or scan a physical shelf โ€ข Collections, reading stats, goals and streaks โ€ข Highlights and notes per book โ€ข 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

About

ShelfMark

Features
Read full description

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

Librai4 screens
ShelfMark4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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.

UpkeepUpdate frequency

Librai ships an update every 2 days, ShelfMark weekly. The most recent releases landed on September 15, 2026 and October 3, 2026 respectively.

Scorecard2 real differences ยท 4 level
Librai versus ShelfMark: the parameters behind the verdict, then further details
ParameterLibraiShelfMark
PriceFreeFree
Update frequencyEvery 2 days โ€” betterWeekly
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.1 โ€” better18.0
Further details โ€” not scored
Size65 MB6 MB
Age rating4+4+
DeveloperShivam Kumar Sanjiv DevInnovaLabWorks

In-app purchases

2 purchases

Librai

Subscriptions2
  • Librai Pro$4.991 Month
  • Librai Pro7 Days trial$39.991 Year
1 purchases

ShelfMark

One-time1
  • ShelfMark Lifetime$12.99

Questions

Is Librai free?
Librai is free to download, with in-app purchases available.
Is ShelfMark free?
ShelfMark is free to download, with in-app purchases available.
Do Librai or ShelfMark have ads?
Neither Librai nor ShelfMark shows ads.
Which is updated more often, Librai or ShelfMark?
Librai ships an update every 2 days, and ShelfMark weekly. Most recently, Librai was updated on September 15, 2026 and ShelfMark on October 3, 2026.

Other comparisons