# PDF Signature Validator vs Sign Doc

The clearest difference is in-app purchases: PDF Signature Validator at none against Sign Doc's 4. PDF Signature Validator also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Sign Doc sells 4 in-app purchases, starting at $5.99 per month. PDF Signature Validator asks for nothing beyond the download.

## The numbers

| Metric | PDF Signature Validator | Sign Doc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 days |
| Size | 60 MB | 59 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [corepal check and pay challan pvt ltd](https://appshunter.io/developer/1872731442) | [Siddharth Ghedia](https://appshunter.io/developer/1361995352) |

## What reviewers say

### PDF Signature Validator

[App page](https://appshunter.io/ios/app/pdf-signature-validator/id6786459698)

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

**In-app purchases:** none


### Sign Doc

[App page](https://appshunter.io/ios/app/sign-doc-pdf-scanner/id6812717867)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $5.99 | per month |
| Pro Annual | $29.99 | per year |
| Pro Annual Intro | $29.99 | per year |
| Lifetime Pro | $59.99 | one-time |


## Frequently asked questions

### Is PDF Signature Validator free?

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

### Is Sign Doc free?

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

### Do PDF Signature Validator or Sign Doc have ads?

Sign Doc shows ads; PDF Signature Validator does not.

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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.*