# PDF Compact vs PDF Compressor

The clearest difference is in-app purchases: PDF Compact at none against PDF Compressor's 2. PDF Compressor's advantage is update cadence (every 3 weeks vs every 5 months) and iOS requirement (16.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. PDF Compressor sells 2 in-app purchases, starting at $2.49 per 7 days. PDF Compact asks for nothing beyond the download.

PDF Compact ships an update every 5 months, PDF Compressor every 3 weeks. The most recent releases landed on September 28, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | PDF Compact | PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 22 MB | 13 MB |
| Requires iOS | 26.0 | **16.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gerhard Lentschik](https://appshunter.io/developer/629988041) | [Baris Mustafa Han Unlu](https://appshunter.io/developer/1852272455) |

## What reviewers say

### PDF Compact

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

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-small-size/id6758089930)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Compress | $2.49 | per 7 days |
| Smart Compression | $5.99 | per month |


## Frequently asked questions

### Is PDF Compact free?

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

### Is PDF Compressor free?

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

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

Neither PDF Compact nor PDF Compressor shows ads.

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

PDF Compact ships an update every 5 months, and PDF Compressor every 3 weeks. Most recently, PDF Compact was updated on September 28, 2026 and PDF Compressor on October 2, 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.*