Chaotic vs Compress It! PDF Compressor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chaotic
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.
- Symmetric chaotic image generation
- Adjustable quality settings
- Multiple color modes
- Save images in large sizes
- JPEG/PNG output formats
- Undo/Redo functionality
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Chaotic is app for generating symmetric chaotic image. The operation is easy, just tap the "Find" button. Chaotic images you like can be saved in large sizes. Qualicty "Mid" is designed to obtain sufficient quality. "High" and "Extra" take a lot of time. Contrast / Brightness Please adjust according to your taste. Mode - White: black -> white - Color1a: black -> Hue - Color1b: black -> Hue -> white - Color2a: black -> Hue1 -> Hue2 - Color2b: black -> Hue1 -> Hue2 -> white Output Format Output format is JPEG or PNG. Sizes are as follows. - 1080 x 1080 - 1440 x 1440 - 1800 x 1800 Undo/Redo You can undo/redo by flicking the preview image. If can not redo any more, the action is the same as when tapping the Find button. The use of the generated image is infinite! (This app is in the generative art category, which is different from generative AI.)
Compress It! PDF Compressor
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.
- 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
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+ PDF Compression in 3 easy steps + 1. Open App 2. Select compression level 3. Select PDF by importing from your files or from other apps It does not get any easier than this! With Compress it!, you can compress your PDF documents in a matter of seconds, securely. Forget about over-complicated apps with nonsense features. Compress it! is the most secure and privacy oriented PDF compressor available. Compress it! Features: + Simplicity + There is no need for complicated PDF compressors. Our app allows anyone to use fast and easy. (Design also helps!) + Fast and secure + Every PDF compression is done right on your device. That means all PDF files are securely stored on your device and the compression is done in seconds (As it should be!) + Share and Print + Export and share all your PDF documents right from the app with a single tap. Send via iMessage, Open in other apps, Print, etc. Compress It! is free to use and you have 2 free daily compressions per day. If you choose to subscribe to Compress It! Pro to enjoy unlimited compressions, payment will be charged to your iTunes account, and your account will be charged for renewal 24 hours prior to the end of the current period. Auto-renewal may be turned off at any time by going to your settings in the iTunes Store after purchase. Prices may vary from country to country. Privacy policy: https://pdfcompressit.app/privacy Terms of use: https://pdfcompressit.app/terms
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Chaotic | Compress It! PDF Compressor |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 3.0 (2 ratings) | 4.9 (439 ratings) — better |
| Positive reviews | 66.7% of reviews | 77.3% of reviews — better |
| Number of ratings | 2 | 439 — better |
| Update frequency | Weekly — better | Every 11 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Freemium — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Itoh Tomoaki | DIGISET LLC |
Customer experience
Chaotic
Compress It! PDF Compressor
Bugs and requests
Chaotic
Not enough reviews yet to summarise bugs or requests.
Compress It! PDF Compressor
Reported bugs
10 issues- 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
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- No option to compress photos
- App does not work at all
- App is fake and not working
- App does nothing useful
- Would not load the file at all
Requested features
6 requests- 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
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- Improve stability for large files
In-app purchases
Chaotic
No in-app purchases
Compress It! PDF Compressor
- Compress It! Pro Monthly$2.491 Month
- Compress It! Yearly Subscription$12.991 Year
- Compress It! Pro Lifetime$24.99
Questions
Is Chaotic free?
Is Compress It! PDF Compressor free?
Which has better reviews, Chaotic or Compress It! PDF Compressor?
Do Chaotic or Compress It! PDF Compressor have ads?
Which is updated more often, Chaotic or Compress It! PDF Compressor?
Other comparisons
