# 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 update cadence (every 2 months vs every 5 months) and iOS requirement (18.5 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 $4.99 per month. PDF Compact asks for nothing beyond the download.

PDF Compressor ships an update every 2 months, PDF Compact every 5 months. The most recent releases landed on September 21, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | PDF Compressor | PDF Compact |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/pdf-compressor-shrink-pdf/id6749169756/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 22 MB |
| Requires iOS | **18.5** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fenuku Kekeli](https://appshunter.io/developer/1822419894) | [Gerhard Lentschik](https://appshunter.io/developer/629988041) |

## What reviewers say

### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-shrink-pdf/id6749169756)

Easily reduce the size of your PDF files in seconds without an internet connection. Choose from multiple compression levels to balance file size and quality, and batch process multiple documents at once. Ideal for students, professionals, and anyone needing to quickly shrink large PDFs.

**Highlights:** Instant PDF compression, Multiple compression levels, Preserves readability, Batch compression, Fully offline functionality, Clean, simple interface

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access for a month | $4.99 | per month |
| All Access for a year | $24.99 | 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 2 months, and PDF Compact every 5 months. Most recently, PDF Compressor was updated on September 21, 2026 and PDF Compact on September 28, 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.*