# PDF Scanner ⋅ vs Sign PDF

The clearest difference is ads: PDF Scanner ⋅ at none against Sign PDF's shown. PDF Scanner ⋅ also leads on iOS requirement (14.1 vs 16.0). Sign PDF's advantage is rating (4.9 vs 4.6) and update cadence (every 6 days vs fortnightly). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Scanner ⋅ sells 1 one-off in-app purchase and Sign PDF sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sign PDF holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 10 and 18 respectively.

PDF Scanner ⋅ ships an update fortnightly, Sign PDF every 6 days. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | PDF Scanner ⋅ | Sign PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (10 ratings)](https://appshunter.io/ios/app/pdf-scanner/id1668675883/reviews) | **[4.9 (18 ratings)](https://appshunter.io/ios/app/sign-pdf-editor-and-certificate/id6446677985/reviews)** |
| Number of ratings | 10 | **18** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 6 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 12 MB | 75 MB |
| Requires iOS | **14.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Silver Elm Systems LLC](https://appshunter.io/developer/689766056) | [Raquel Martinez Figueirido](https://appshunter.io/developer/1644726434) |

## What reviewers say

### PDF Scanner ⋅

[App page](https://appshunter.io/ios/app/pdf-scanner/id1668675883)

Easily scan, edit, and sign PDF documents directly from your phone. Features include auto-cropping, form filling, highlighting, and printing capabilities. Organize and manage your scanned documents efficiently.

**Highlights:** Document scanning with auto-cropping, Edit and fill PDF forms, Markup and highlight PDFs, Digital signature functionality, Organize and save scans, Print PDFs wirelessly

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Scanner Premium | $29.99 | one-time |


### Sign PDF

[App page](https://appshunter.io/ios/app/sign-pdf-editor-and-certificate/id6446677985)

Easily and securely sign PDF documents directly from your mobile device. Add notes and comments to PDFs and share them quickly. Ideal for on-the-go document signing.

**Highlights:** Sign PDF documents quickly, Secure and reliable signing, Intuitive user interface, Add notes and comments, Share signed PDFs easily, Sign on the go

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $9.99 | one-time |


## Frequently asked questions

### Is PDF Scanner ⋅ free?

PDF Scanner ⋅ is free to download, with in-app purchases available.

### Is Sign PDF free?

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

### Which has better reviews, PDF Scanner ⋅ or Sign PDF?

Sign PDF is rated higher. PDF Scanner ⋅ averages 4.6 out of 5 from 10 ratings, while Sign PDF averages 4.9 from 18 ratings.

### Do PDF Scanner ⋅ or Sign PDF have ads?

Sign PDF shows ads; PDF Scanner ⋅ does not.

### Which is updated more often, PDF Scanner ⋅ or Sign PDF?

PDF Scanner ⋅ ships an update fortnightly, and Sign PDF every 6 days. Most recently, PDF Scanner ⋅ was updated on October 24, 2026 and Sign PDF on October 27, 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.*