# PDF Compressor vs PDF Compact

The clearest difference is in-app purchases: PDF Compact at none against PDF Compressor's 2. PDF Compressor's advantage is iOS requirement (17.6 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PDF Compressor sells 2 in-app purchases, starting at $2.99 per 7 days. PDF Compact asks for nothing beyond the download.

PDF Compressor ships an update every 3 months, PDF Compact every 5 months. The most recent releases landed on September 17, 2026 and May 21, 2026 respectively.

## The numbers

| Metric | PDF Compressor | PDF Compact |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Size | 2 MB | 22 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Vikram Singh](https://appshunter.io/developer/1800895019) | [Gerhard Lentschik](https://appshunter.io/developer/629988041) |

## What reviewers say

### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-compresso/id6755685415)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CrushPDF Premium Weekly | $2.99 | per 7 days |
| CrushPDF Premium Annual | $19.99 | per year |


### PDF Compact

[App page](https://appshunter.io/ios/app/pdf-compact/id6757109481)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Compressor free?

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

### Is PDF Compact free?

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

### Do PDF Compressor or PDF Compact have ads?

Neither PDF Compressor nor PDF Compact shows ads.

### Which is updated more often, PDF Compressor or PDF Compact?

PDF Compressor ships an update every 3 months, and PDF Compact every 5 months. Most recently, PDF Compressor was updated on September 17, 2026 and PDF Compact on May 21, 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.*