# PDF File Protector vs CTL

The clearest difference is price: CTL at Free against PDF File Protector's $19.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

CTL is free to download; PDF File Protector costs $19.99 up front. PDF File Protector sells 1 one-off in-app purchase and CTL sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | PDF File Protector | CTL |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 7 MB | 49 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [乐祥 胡](https://appshunter.io/developer/1572365721) | [Mohammed Kashour](https://appshunter.io/developer/1886138743) |

## What reviewers say

### PDF File Protector

[App page](https://appshunter.io/ios/app/pdf-file-protector/id6738285744)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pdf签名内购 | $9.99 | one-time |


### CTL

[App page](https://appshunter.io/ios/app/ctl-car-technical-log/id6760766535)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CTL Fleet Monthly | $2.99 | per month |
| CTL Fleet Annual | $19.99 | per year |
| CTL Fleet Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is PDF File Protector free?

PDF File Protector costs $19.99, and also offers in-app purchases.

### Is CTL free?

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

### Do PDF File Protector or CTL have ads?

Neither PDF File Protector nor CTL 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.*