csBooks vs ePub Reader
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
ePub Reader
Read eBooks and documents in various formats like EPUB, PDF, and DOC. Import files easily, customize your reading experience with themes and fonts, and manage bookmarks and notes. Unlock more features with a PRO subscription.
- Supports EPUB, PDF, TXT, DOC, DOCX, ODT
- Import via Browser, AirDrop, iCloud, Finder
- Chapter browsing and bookmarking
- Font customization and themes
- Brightness control
- Note-taking functionality
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Our app is a versatile mobile app designed for downloading and reading eBooks and documents with ease. It supports a wide range of formats including EPUB, PDF, TXT, DOC, DOCX, and ODT, as well as ZIP and RAR archives for direct extraction and reading. Users can import files through Browser, AirDrop, iCloud, Finder, and other apps, making access seamless across devices. The app offers intuitive navigation with chapter browsing, font customization, themes, brightness control, bookmarks, and notes. Free users can enjoy up to five books and notes, basic formats, and a light theme with two font options. The PRO version unlocks unlimited books and notes, advanced format support, widget integration, and enhanced reading personalization. Whether you're a casual reader or a digital library enthusiast, Our app makes your reading experience smooth and customizable. This application contains auto-renewable subscriptions and In-App Purchases: 1 week - Weekly - 4.99USD, 1 month - Monthly - 12.99USD, 1 year - Yearly - 39.99USD, Lifetime - 59.99USD Terms of Use Link: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Link: https://docs.google.com/document/d/1isnXJ8UzpPB0u-30XGbGvNo0p6PZgMpu53MvCF6O5b0/edit?tab=t.0
Screenshots
Verdict
The clearest difference is ads: ePub Reader at none against csBooks's shown. ePub Reader also leads on iOS requirement (13.0 vs 15.0). On price, review sentiment, update cadence and in-app purchases 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 and ePub Reader sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
csBooks ships an update every 10 days, ePub Reader every 2 weeks. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.
| Parameter | csBooks | ePub Reader |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 10 days — better | Every 2 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 63 MB | 77 MB |
| Age rating | 4+ | 4+ |
| Developer | Ravi Kumar Sharma | TEXAS ADVANCE LLC |
Customer experience
csBooks
ePub Reader
In-app purchases
csBooks
- Unlimited Pro (Monthly)$6.991 Month
- Unlimited Pro (Yearly)$22.991 Year
ePub Reader
- Weekly$4.997 Days
- Weekly-Trial3 Days trial$4.997 Days
- Monthly$12.991 Month
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- Yearly$39.991 Year
- Lifetime$59.99
