# PDF Compressor vs Pdf24

The clearest difference is rating: PDF Compressor at 4.3 against Pdf24's 2.3. PDF Compressor also leads on ads (none vs shown) and ratings volume (84 vs 3). On price, review sentiment, update cadence and in-app purchases there is nothing between them.

Both are free to download. PDF Compressor sells 3 in-app purchases, starting at $4.99 per 7 days and Pdf24 sells 2 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PDF Compressor holds the better App Store score, 4.3 against 2.3. That said, the two scores are not equally well evidenced: PDF Compressor has 84 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

PDF Compressor ships an update every 6 weeks, Pdf24 monthly. The most recent releases landed on October 15, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | PDF Compressor | Pdf24 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (84 ratings)](https://appshunter.io/ios/app/pdf-compressor-reduce-size/id6476273989/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/pdf24/id6780348502/reviews) |
| Number of ratings | **84** | 3 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 61 MB | 23 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NextPixel apps](https://appshunter.io/developer/1584487280) | [Priyankaben Rupavatiya](https://appshunter.io/developer/1893593703) |

## What reviewers say

### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-reduce-size/id6476273989)

Reduce the size of your PDF documents without sacrificing quality. Optimize PDFs for storage, sharing, and faster loading. Effortlessly manage and share your compressed files anywhere.

**Highlights:** Efficient PDF compression, Retain document quality, User-friendly file management, Easy sharing via multiple platforms, Optimize for storage and transfer

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| File Compressor - PDF | $4.99 | per 7 days |
| File Compressor - PDF | $7.99 | per 7 days |
| PDF Compressor - Resize file | $9.99 | per month |


### Pdf24

[App page](https://appshunter.io/ios/app/pdf24/id6780348502)

Transform your device into a high-quality document scanner. Easily capture, organize, and share PDFs of receipts, invoices, and important papers. Features smart cropping and enhancement for better readability.

**Highlights:** Scan documents with camera, Create high-quality PDFs, Auto edge detection and cropping, Enhance scan readability, Organize and share documents, Secure document management

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $9.99 | per 7 days |
| Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is PDF Compressor free?

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

### Is Pdf24 free?

Pdf24 is free to download, with in-app purchases available.

### Which has better reviews, PDF Compressor or Pdf24?

PDF Compressor is rated higher. PDF Compressor averages 4.3 out of 5 from 84 ratings, while Pdf24 averages 2.3 from 3 ratings.

### Do PDF Compressor or Pdf24 have ads?

Pdf24 shows ads; PDF Compressor does not.

### Which is updated more often, PDF Compressor or Pdf24?

PDF Compressor ships an update every 6 weeks, and Pdf24 monthly. Most recently, PDF Compressor was updated on October 15, 2026 and Pdf24 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.*