# Chaotic vs Compress It! PDF Compressor

The clearest difference is price: Compress It! PDF Compressor at Free against Chaotic's $3.99. Compress It! PDF Compressor also leads on rating (4.9 vs 3.0) and ratings volume (439 vs 2). Chaotic's advantage is in-app purchases (none vs 3). On update cadence, ads, device support and iOS requirement there is nothing between them.

Compress It! PDF Compressor is free to download; Chaotic costs $3.99 up front. Compress It! PDF Compressor sells 3 in-app purchases, starting at $2.49 per month. Chaotic asks for nothing beyond the download.

Compress It! PDF Compressor holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: Compress It! PDF Compressor has 439 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 67% of Chaotic's written reviews are positive against 77% of Compress It! PDF Compressor's.

Chaotic ships an update weekly, Compress It! PDF Compressor every 11 days. The most recent releases landed on June 4, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Chaotic | Compress It! PDF Compressor |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/chaotic/id1369087152/reviews) | **[4.9 (439 ratings)](https://appshunter.io/ios/app/compress-it-pdf-compressor/id1661806464/reviews)** |
| Number of ratings | 2 | **439** |
| Positive reviews | 66.7% of reviews | **77.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | Paid | **Freemium** |
| Size | 1 MB | 25 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Itoh Tomoaki](https://appshunter.io/developer/871816883) | [DIGISET LLC](https://appshunter.io/developer/944123342) |

## What reviewers say

### Chaotic

[App page](https://appshunter.io/ios/app/chaotic/id1369087152)

Easily generate unique symmetric chaotic images with adjustable quality and color modes. Save your creations in various large sizes and formats, with undo/redo functionality for fine-tuning.

**Highlights:** Symmetric chaotic image generation, Adjustable quality settings, Multiple color modes, Save images in large sizes, JPEG/PNG output formats, Undo/Redo functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### Compress It! PDF Compressor

[App page](https://appshunter.io/ios/app/compress-it-pdf-compressor/id1661806464)

Easily reduce the file size of your PDF documents with a simple, secure, and privacy-focused tool. Compress PDFs in just three steps, directly on your device, and share them instantly. Enjoy fast and efficient document management without complex features.

**Highlights:** PDF compression in 3 easy steps, Selectable compression levels, Import PDFs from files or other apps, Fast and secure on-device processing, Share and print compressed PDFs, Privacy-oriented design

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Compress It! Pro Monthly | $2.49 | per month |
| Compress It! Yearly Subscription | $12.99 | per year |
| Compress It! Pro Lifetime | $24.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- ✨ No ads
- 🚀 Works really good
- 💯 Gets the job done
- 💰 Saves time and money

**What reviewers complain about**

- 🐛 Crashes with files over 200mb
- 🐛 Does not work with files over 300mb
- 🐛 Images become pixelated
- 🐛 Decompressing to original size unknown
- 🐛 'Choose file' button not working

**Reported bugs**

- Crashes when compressing files above 200mb on iPad 9th gen
- Does not work with files over 300mb
- Images in documents become big and pixelated
- Cannot find compressed files on the device
- 'Choose file' button does not work

**Requested features**

- Allow compression of files over 300mb
- Improve handling of images in documents
- Clarify decompressing to original size functionality
- Fix 'Choose file' button
- Enable compression of photos


## Frequently asked questions

### Is Chaotic free?

Chaotic costs $3.99, with no in-app purchases.

### Is Compress It! PDF Compressor free?

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

### Which has better reviews, Chaotic or Compress It! PDF Compressor?

Compress It! PDF Compressor is rated higher. Chaotic averages 3.0 out of 5 from 2 ratings, while Compress It! PDF Compressor averages 4.9 from 439 ratings.

### Do Chaotic or Compress It! PDF Compressor have ads?

Neither Chaotic nor Compress It! PDF Compressor shows ads.

### Which is updated more often, Chaotic or Compress It! PDF Compressor?

Chaotic ships an update weekly, and Compress It! PDF Compressor every 11 days. Most recently, Chaotic was updated on June 4, 2026 and Compress It! PDF Compressor on September 24, 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.*