# lock pdf | unlock pdf expert vs PDFUnlock

The clearest difference is in-app purchases: lock pdf | unlock pdf expert at none against PDFUnlock's 1. lock pdf | unlock pdf expert also leads on iOS requirement (16.0 vs 26.0). PDFUnlock's advantage is device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. PDFUnlock sells 1 one-off in-app purchase. lock pdf | unlock pdf expert asks for nothing beyond the download.

## The numbers

| Metric | lock pdf | unlock pdf expert | PDFUnlock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 1 MB | 2 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [逢信 谭](https://appshunter.io/developer/1825263250) | [DIEGO ALEJANDRO VILLA CARDENAS](https://appshunter.io/developer/1832035994) |

## What reviewers say

### lock pdf | unlock pdf expert

[App page](https://appshunter.io/ios/app/lock-pdf-unlock-pdf-expert/id6749227930)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDFUnlock

[App page](https://appshunter.io/ios/app/pdfunlock-addremove-password/id6767011628)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDFUnlock Unlimited | $4.99 | one-time |


## Frequently asked questions

### Is lock pdf | unlock pdf expert free?

lock pdf | unlock pdf expert is free to download, with no in-app purchases.

### Is PDFUnlock free?

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

### Do lock pdf | unlock pdf expert or PDFUnlock have ads?

Neither lock pdf | unlock pdf expert nor PDFUnlock 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.*