# PDF Document Scanner App + vs Signature Scanner

The clearest difference is update cadence: Signature Scanner at every 4 days against PDF Document Scanner App +'s monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Document Scanner App + sells 5 in-app purchases, starting at $4.99 per 7 days and Signature Scanner sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

PDF Document Scanner App + ships an update monthly, Signature Scanner every 4 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | PDF Document Scanner App + | Signature Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (23 ratings)](https://appshunter.io/ios/app/pdf-document-scanner-app-plus/id1527111503/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 6 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aleksandr Nesterov](https://appshunter.io/developer/1404263700) | [Teoman Gul](https://appshunter.io/developer/1772058639) |

## What reviewers say

### PDF Document Scanner App +

[App page](https://appshunter.io/ios/app/pdf-document-scanner-app-plus/id1527111503)

Easily scan any document with this mobile app. It offers automatic border detection, manual adjustment, and supports PDF and JPEG formats. Organize scans into folders and share them effortlessly.

**Highlights:** Automatic document border detection, Manual boundary adjustment, Scan to PDF and JPEG, Folder sorting, Share scanned documents

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week subscription | $4.99 | per 7 days |
| Week subscription | $4.99 | per 7 days |
| Year subscription | $24.99 | per year |
| Year subscription | $29.99 | per year |
| Purchase whole app | $99.99 | one-time |


### Signature Scanner

[App page](https://appshunter.io/ios/app/signature-scanner-esign-app/id6745090855)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Unlimited Access | $3.99 | per month |
| Yearly Unlimited Access | $14.99 | per year |
| Lifetime Unlimited Access | $3.99 | one-time |


## Frequently asked questions

### Is PDF Document Scanner App + free?

PDF Document Scanner App + is free to download, with in-app purchases available.

### Is Signature Scanner free?

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

### Do PDF Document Scanner App + or Signature Scanner have ads?

Neither PDF Document Scanner App + nor Signature Scanner shows ads.

### Which is updated more often, PDF Document Scanner App + or Signature Scanner?

PDF Document Scanner App + ships an update monthly, and Signature Scanner every 4 days. Most recently, PDF Document Scanner App + was updated on November 3, 2026 and Signature Scanner on October 30, 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.*