MyPDFBooks vs csBooks
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MyPDFBooks
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Designed to make it easy and enjoyable to read your favorite books on your iPhone and iPad. Enjoy reading your PDF-files with MyPDFBooks' clean reading view, optimised for books and long files. To support your reading, the app also organizes your books in a library, which provides numerous features, such as remembering the page you were on, bookmarks, and more. Keeping track of your reading has never been easier! Enjoy an immersive reading experience on your phone or tablet. Download now and start reading!
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
Screenshots
Verdict
The clearest difference is in-app purchases: MyPDFBooks at none against csBooks's 2. MyPDFBooks also leads on update cadence (daily vs every 10 days) and iOS requirement (11.0 vs 15.0). On price 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. csBooks sells 2 in-app purchases, starting at $6.99 per month. MyPDFBooks asks for nothing beyond the download.
MyPDFBooks ships an update daily, csBooks every 10 days. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.
| Parameter | MyPDFBooks | csBooks |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Daily — better | Every 10 days |
| Ads | — | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 23 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | Miika Harma | Ravi Kumar Sharma |
In-app purchases
MyPDFBooks
No in-app purchases
csBooks
- Unlimited Pro (Monthly)$6.991 Month
- Unlimited Pro (Yearly)$22.991 Year
