# PDFast vs Protect PDF

The clearest difference is price: Protect PDF at Free against PDFast's $3.99. PDFast's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Protect PDF is free to download; PDFast costs $3.99 up front. Protect PDF sells 1 one-off in-app purchase. PDFast asks for nothing beyond the download.

## The numbers

| Metric | PDFast | Protect PDF |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Size | 9 MB | 16 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Rodzaevskiy](https://appshunter.io/developer/1838906311) | [Antonio Gonzalez de la aleja german](https://appshunter.io/developer/1839645711) |

## What reviewers say

### PDFast

[App page](https://appshunter.io/ios/app/pdfast-pdf-tools-and-scanner/id6755842402)

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

**In-app purchases:** none


### Protect PDF

[App page](https://appshunter.io/ios/app/protect-pdf-password-lock/id6771690647)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is PDFast free?

PDFast costs $3.99, with no in-app purchases.

### Is Protect PDF free?

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

### Do PDFast or Protect PDF have ads?

Neither PDFast nor Protect PDF 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.*