# ScannerDoc vs Image to PDF

The clearest difference is update cadence: Image to PDF at every 8 days against ScannerDoc's every 3 weeks. ScannerDoc's advantage is iOS requirement (15.6 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ScannerDoc sells 1 in-app purchase, starting at $1.99 per month and Image to PDF sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ScannerDoc ships an update every 3 weeks, Image to PDF every 8 days. The most recent releases landed on August 29, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | ScannerDoc | Image to PDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Size | 30 MB | 9 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Salim Alhajri](https://appshunter.io/developer/1191312496) | [Jamshaid Saleem](https://appshunter.io/developer/1870825059) |

## What reviewers say

### ScannerDoc

[App page](https://appshunter.io/ios/app/scannerdoc/id6758126407)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ScannerDoc Pro Monthly | $1.99 | per month |


### Image to PDF

[App page](https://appshunter.io/ios/app/image-to-pdf-scanner-app/id6780071797)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Yearly Premium | $29.99 | per year |


## Frequently asked questions

### Is ScannerDoc free?

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

### Is Image to PDF free?

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

### Do ScannerDoc or Image to PDF have ads?

Neither ScannerDoc nor Image to PDF shows ads.

### Which is updated more often, ScannerDoc or Image to PDF?

ScannerDoc ships an update every 3 weeks, and Image to PDF every 8 days. Most recently, ScannerDoc was updated on August 29, 2026 and Image to PDF on September 10, 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.*