# PDF Compressor vs Cactus

The clearest difference is rating: Cactus at 5.0 against PDF Compressor's 4.3. Cactus also leads on in-app purchases (none vs 4) and update cadence (every 2 weeks vs every 6 weeks). PDF Compressor's advantage is ratings volume (82 vs 2) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. PDF Compressor sells 3 in-app purchases, starting at $4.99 per 7 days. Cactus asks for nothing beyond the download.

Cactus holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: PDF Compressor has 82 ratings behind it against 2, so its average is the more settled of the two.

PDF Compressor ships an update every 6 weeks, Cactus every 2 weeks. The most recent releases landed on September 23, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | PDF Compressor | Cactus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (82 ratings)](https://appshunter.io/ios/app/pdf-compressor-reduce-size/id6476273989/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cactus-block-distractions/id6760570620/reviews)** |
| Number of ratings | **82** | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 62 MB | 13 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NextPixel apps](https://appshunter.io/developer/1584487280) | [Kiln (CA)](https://appshunter.io/developer/1760601801) |

## 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 |


### Cactus

[App page](https://appshunter.io/ios/app/cactus-block-distractions/id6760570620)

This utility app helps you manage your screen time by blocking specific applications and websites according to your set schedule. It offers a straightforward approach to digital well-being with a commitment to privacy and no tracking. The app is completely free to use.

**Highlights:** Scheduled app blocking, Website blocking, Zero tracking, Free to use, Privacy-focused

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Compressor free?

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

### Is Cactus free?

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

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

Cactus is rated higher. PDF Compressor averages 4.3 out of 5 from 82 ratings, while Cactus averages 5.0 from 2 ratings.

### Do PDF Compressor or Cactus have ads?

Neither PDF Compressor nor Cactus shows ads.

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

PDF Compressor ships an update every 6 weeks, and Cactus every 2 weeks. Most recently, PDF Compressor was updated on September 23, 2026 and Cactus on September 16, 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.*