# csBooks vs Vellum Reader

The clearest difference is in-app purchases: Vellum Reader at none against csBooks's 2. Vellum Reader also leads on ads (none vs shown). csBooks's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 17.0). On price there is nothing between them.

Both are free to download. csBooks sells 2 in-app purchases, starting at $6.99 per month. Vellum Reader asks for nothing beyond the download.

## The numbers

| Metric | csBooks | Vellum Reader |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 1 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) | [SUZETTE RENEE COPLEY DE SCHRYVER](https://appshunter.io/developer/1861929690) |

## 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 |


### Vellum Reader

[App page](https://appshunter.io/ios/app/vellum-reader/id6756630647)

**In-app purchases:** none


## Frequently asked questions

### Is csBooks free?

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

### Is Vellum Reader free?

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

### Do csBooks or Vellum Reader have ads?

csBooks shows ads; Vellum Reader does not.

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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.*