# PDF Compress vs PDF Reader Scanner Editor

The clearest difference is in-app purchases: PDF Compress at none against PDF Reader Scanner Editor's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PDF Reader Scanner Editor sells 2 in-app purchases, starting at $5.99 per year. PDF Compress asks for nothing beyond the download.

PDF Compress ships an update every 11 days, PDF Reader Scanner Editor every 6 days. Both last shipped on October 8, 2026.

## The numbers

| Metric | PDF Compress | PDF Reader Scanner Editor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 6 days** |
| Size | 5 MB | 26 MB |
| Requires iOS | **17.4** | 18.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shivang Mishra](https://appshunter.io/developer/1721126376) | [绅 董](https://appshunter.io/developer/1810596975) |

## What reviewers say

### PDF Compress

[App page](https://appshunter.io/ios/app/pdf-compress-reduce-pdf-size/id6504757939)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Reader Scanner Editor

[App page](https://appshunter.io/ios/app/pdf-reader-scanner-editor/id6758157105)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| annual | $5.99 | per year |
| lifetime | $12.99 | one-time |


## Frequently asked questions

### Is PDF Compress free?

PDF Compress is free to download, with no in-app purchases.

### Is PDF Reader Scanner Editor free?

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

### Do PDF Compress or PDF Reader Scanner Editor have ads?

Neither PDF Compress nor PDF Reader Scanner Editor shows ads.

### Which is updated more often, PDF Compress or PDF Reader Scanner Editor?

PDF Compress ships an update every 11 days, and PDF Reader Scanner Editor every 6 days. Most recently, PDF Compress was updated on October 8, 2026 and PDF Reader Scanner Editor on October 8, 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.*