# PrivyPDF vs Knut Book Scanner

The clearest difference is device support: PrivyPDF at 3 against Knut Book Scanner's 1. On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. PrivyPDF sells 1 one-off in-app purchase and Knut Book Scanner sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | PrivyPDF | Knut Book Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 8 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [GUOYU WANG](https://appshunter.io/developer/1873302677) | [Jussi Rajaniemi](https://appshunter.io/developer/1759458881) |

## What reviewers say

### PrivyPDF

[App page](https://appshunter.io/ios/app/privypdf-pdf-agent/id6758668283)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PrivyPDF Pro | $9.99 | one-time |


### Knut Book Scanner

[App page](https://appshunter.io/ios/app/knut-book-scanner/id6760627620)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $2.99 | one-time |


## Frequently asked questions

### Is PrivyPDF free?

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

### Is Knut Book Scanner free?

Knut Book Scanner is free to download, with in-app purchases available.

### Do PrivyPDF or Knut Book Scanner have ads?

Neither PrivyPDF nor Knut Book Scanner 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.*