# PDF Secure vs PDF Secure, Lock PDF password

The clearest difference is in-app purchases: PDF Secure at none against PDF Secure, Lock PDF password's 3. PDF Secure also leads on iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. PDF Secure, Lock PDF password sells 3 in-app purchases, starting at $1.99 per 7 days. PDF Secure asks for nothing beyond the download.

## The numbers

| Metric | PDF Secure | PDF Secure, Lock PDF password |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (376 ratings)](https://appshunter.io/ios/app/pdf-secure/id1515466852/reviews)** | — |
| Number of ratings | **376** | — |
| Positive reviews | 98.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | — |
| Monetization | Free | — |
| Size | 1 MB | 4 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iSolid apps](https://appshunter.io/developer/1215383083) | [Mohamed Oufqir](https://appshunter.io/developer/1750312649) |

## What reviewers say

### PDF Secure

[App page](https://appshunter.io/ios/app/pdf-secure/id1515466852)

Secure your PDF documents by adding password protection, ensuring they cannot be opened without authorization. You can also easily remove existing password protection from your files. This app offers a straightforward process for safeguarding your sensitive information.

**Highlights:** Password protect PDF documents, Remove PDF password protection, Cross-platform compatibility, Export to various locations, Dark mode support

**In-app purchases:** none


### PDF Secure, Lock PDF password

[App page](https://appshunter.io/ios/app/pdf-secure-lock-pdf-password/id6739538648)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week | $1.99 | per 7 days |
| Month | $3.99 | per month |
| Year | $29.99 | per year |


## Frequently asked questions

### Is PDF Secure free?

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

### Is PDF Secure, Lock PDF password free?

PDF Secure, Lock PDF password is free to download, with in-app purchases available.

### Do PDF Secure or PDF Secure, Lock PDF password have ads?

Neither PDF Secure nor PDF Secure, Lock PDF password 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.*