# Document Scanner vs PDF Compressor

The clearest difference is iOS requirement: Document Scanner at 15.1 against PDF Compressor's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Document Scanner sells 6 in-app purchases, starting at $1.99 per 7 days and PDF Compressor sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Document Scanner ships an update every 3 months, PDF Compressor every 2 months. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Document Scanner | PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 52 MB | 6 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lei Michael Lu](https://appshunter.io/developer/1787684680) | [Alex Gameli Heyman](https://appshunter.io/developer/1529812783) |

## What reviewers say

### Document Scanner

[App page](https://appshunter.io/ios/app/document-scanner-scandocnow/id6748969945)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $4.99 | per month |
| ScanDocNow_Weekly | $4.99 | per 7 days |
| ScanDocNow_Monthly | $9.99 | per month |
| Yearly | $19.99 | per year |
| ScanDocNow_Yearly | $29.99 | per year |


### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-resize-file/id6779411586)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Yearly | $24.99 | per year |


## Frequently asked questions

### Is Document Scanner free?

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

### Is PDF Compressor free?

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

### Do Document Scanner or PDF Compressor have ads?

Neither Document Scanner nor PDF Compressor shows ads.

### Which is updated more often, Document Scanner or PDF Compressor?

Document Scanner ships an update every 3 months, and PDF Compressor every 2 months. Most recently, Document Scanner was updated on October 16, 2026 and PDF Compressor on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*