csBooks vs scrolly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
csBooks
This app allows users to read and manage ePub and PDF books from their device. It offers features like automatic thumbnail generation, reading progress tracking, customizable text size, and multiple themes for a comfortable reading experience.
- Read ePub and PDF files
- Manage book library
- Auto book thumbnail generation
- Reading progress tracking
- Customizable text size and font
- 8 stylish reading themes
- Cloud storage and desktop sync
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Read ePub, PDF, MOBI, Docx, CBZ, CBR, DJVU and MOBI book files with csBooks – the best ebook reader and digital library manager for iPhone and iPad. Import, organize, and read books offline with our all-in-one book reader app. The #1 ebook reader app for offline and online reading: ePub reader & ePub viewer PDF reader & PDF viewer MOBI reader & MOBI viewer CBZ comic book reader Word document reader (DOCX) Book Reader Features: ePub reader with adjustable fonts, text size & 8 reading themes PDF reader with page progress tracking & navigation MOBI ebook reader for Kindle-format files Comic book reader for CBZ files Book library manager with card view & list view Auto-generated book cover thumbnails Reading progress tracker Cloud sync & cloud backup for your ebook library Offline reading – read books without internet Import ebooks from Files, email & cloud storage Desktop sync for cross-device reading Best ebook reader for digital library management. csBooks organizes your ePub books, PDF books, MOBI ebooks, and comic books in one beautiful reading app. Fast ePub viewer, smooth PDF viewer, and full-featured book manager. Read ebooks offline. Sync your book library to desktop. Track reading progress. csBooks is the ebook reader and library app for serious readers. Download csBooks – ebook reader, PDF viewer & digital library app. ------- Developer contact: studiocaesium@gmail.com Privacy Policy: https://www.caesiumstudio.com/privacy-policy End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula
scrolly
Transform your PDF reading with a delightful experience. Customize text size and themes, save your progress with bookmarks, and enjoy a unique vertical scrolling mode. Perfect for books, papers, articles, and textbooks.
- Customizable text size
- Theme selection
- Bookmark saving
- Vertical snap-to-scroll
- Read books, papers, articles, textbooks
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replace your scrolling addiction with reading! this app displays PDFs in a beautiful reading experience where you can change the text size, choose a theme, and save bookmarks scroll through your book with a vertical snap-to-scroll use it to read books, scientific papers, articles, and textbooks easily!
Screenshots
Verdict
The clearest difference is in-app purchases: scrolly at none against csBooks's 2. scrolly also leads on ads (none vs shown). csBooks's advantage is review sentiment (100% vs 86%) and device support (4 vs 2). On price and update cadence 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. csBooks sells 2 in-app purchases, starting at $6.99 per month. scrolly asks for nothing beyond the download.
csBooks ships an update every 10 days, scrolly weekly. The most recent releases landed on October 12, 2026 and October 21, 2026 respectively.
| Parameter | csBooks | scrolly |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (20 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 85.7% of reviews |
| Number of ratings | — | 20 — better |
| Update frequency | Every 10 days | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 63 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Ravi Kumar Sharma | totally important LLC |
Customer experience
csBooks
scrolly
In-app purchases
csBooks
- Unlimited Pro (Monthly)$6.991 Month
- Unlimited Pro (Yearly)$22.991 Year
scrolly
No in-app purchases
