# MyPDFBooks vs csBooks

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.

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.

## The numbers

| Metric | MyPDFBooks | csBooks |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | **Daily** | Every 10 days |
| Monetization | — | Free with in-app purchases |
| Size | 23 MB | 63 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Miika Harma](https://appshunter.io/developer/1629201496) | [Ravi Kumar Sharma](https://appshunter.io/developer/1695922963) |

## What reviewers say

### MyPDFBooks

[App page](https://appshunter.io/ios/app/mypdfbooks-pdf-reader/id1661658985)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is MyPDFBooks free?

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

### Is csBooks free?

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

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

MyPDFBooks ships an update daily, and csBooks every 10 days. Most recently, MyPDFBooks was updated on October 25, 2026 and csBooks on October 12, 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.*