# Expert Sign vs Sign PDF Documents

The clearest difference is ads: Sign PDF Documents at none against Expert Sign's shown. Sign PDF Documents also leads on update cadence (every 3 days vs every 2 months) and iOS requirement (13.0 vs 15.0). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Expert Sign sells 1 one-off in-app purchase and Sign PDF Documents sells 2 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.4 for Expert Sign against 4.3 for Sign PDF Documents. Both are backed by a comparable volume of ratings — 7 and 3 respectively.

Expert Sign ships an update every 2 months, Sign PDF Documents every 3 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Expert Sign | Sign PDF Documents |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/expert-sign-esign-pdf-docs/id1615025432/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/sign-pdf-documents-signx/id6753231649/reviews) |
| Number of ratings | **7** | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 15 MB | 56 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Julien meyer](https://appshunter.io/developer/285361686) | [Imad Khan](https://appshunter.io/developer/1835041090) |

## What reviewers say

### Expert Sign

[App page](https://appshunter.io/ios/app/expert-sign-esign-pdf-docs/id1615025432)

Easily sign documents and photos directly on your iPhone. Save your signature and apply it to PDFs or images, then share them instantly. Ideal for quick document signing on the go.

**Highlights:** Draw and save multiple signatures, Import handwritten signatures, Sign PDFs and document photos, Add dates with one tap, Resize and position signatures, Export via email or other apps

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Expert Sign | $1.99 | one-time |


### Sign PDF Documents

[App page](https://appshunter.io/ios/app/sign-pdf-documents-signx/id6753231649)

Easily sign, stamp, and scan documents directly from your mobile device. Create custom signatures and add official seals to PDFs and other files in seconds. Streamline your paperwork and maintain a paperless workflow anywhere, anytime.

**Highlights:** Sign documents instantly, Create custom signatures, Add stamps and seals, Scan documents with camera, Handle paperwork digitally, Paperless workflow

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $7.99 | per 7 days |
| Yearly Premium | $24.99 | per year |


## Frequently asked questions

### Is Expert Sign free?

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

### Is Sign PDF Documents free?

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

### Which has better reviews, Expert Sign or Sign PDF Documents?

Expert Sign is rated higher. Expert Sign averages 4.4 out of 5 from 7 ratings, while Sign PDF Documents averages 4.3 from 3 ratings.

### Do Expert Sign or Sign PDF Documents have ads?

Expert Sign shows ads; Sign PDF Documents does not.

### Which is updated more often, Expert Sign or Sign PDF Documents?

Expert Sign ships an update every 2 months, and Sign PDF Documents every 3 days. Most recently, Expert Sign was updated on November 3, 2026 and Sign PDF Documents on November 5, 2026.

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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.*