# csBooks vs scrolly

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.

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.

## The numbers

| Metric | csBooks | scrolly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (20 ratings)](https://appshunter.io/ios/app/scrolly-cute-pdf-ebook-reader/id6738710724/reviews)** |
| Number of ratings | — | **20** |
| Positive reviews | **100.0% of reviews** | 85.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 63 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ravi Kumar Sharma](https://appshunter.io/developer/1695922963) | [totally important LLC](https://appshunter.io/developer/1759244146) |

## What reviewers say

### csBooks

[App page](https://appshunter.io/ios/app/csbooks-epub-and-pdf-reader/id6477337382)

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.

**Highlights:** 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

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Pro (Monthly) | $6.99 | per month |
| Unlimited Pro (Yearly) | $22.99 | per year |


### scrolly

[App page](https://appshunter.io/ios/app/scrolly-cute-pdf-ebook-reader/id6738710724)

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.

**Highlights:** Customizable text size, Theme selection, Bookmark saving, Vertical snap-to-scroll, Read books, papers, articles, textbooks

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is csBooks free?

csBooks is free to download, with in-app purchases available.

### Is scrolly free?

scrolly is free to download, with no in-app purchases.

### Do csBooks or scrolly have ads?

csBooks shows ads; scrolly does not.

### Which is updated more often, csBooks or scrolly?

csBooks ships an update every 10 days, and scrolly weekly. Most recently, csBooks was updated on October 12, 2026 and scrolly on October 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*