# Nook vs PDFDock

The clearest difference is iOS requirement: Nook at 18.0 against PDFDock's 26.5. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Nook | PDFDock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 16 MB | 20 MB |
| Requires iOS | **18.0** | 26.5 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [KANG SEUNGHYUN](https://appshunter.io/developer/6797773160) | [Nagarjuna Reddy Bhimavarapu](https://appshunter.io/developer/1876075897) |

## What reviewers say

### Nook

[App page](https://appshunter.io/ios/app/nook-read-write-own/id6797773158)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### PDFDock

[App page](https://appshunter.io/ios/app/pdfdock/id6810535246)

**In-app purchases:** none


## Frequently asked questions

### Is Nook free?

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

### Is PDFDock free?

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

### Do Nook or PDFDock have ads?

Neither Nook nor PDFDock shows ads.

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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.*