# PDF Compressor vs Compress PDF

PDF Compressor and Compress PDF both sit at 4.6 stars, but that hides the real split: 100% of Compress PDF's written reviews are positive against 0% of PDF Compressor's. Compress PDF also leads on ads (none vs shown) and update cadence (fortnightly vs every 43 months). PDF Compressor's advantage is in-app purchases (none vs 3) and iOS requirement (15.0 vs 17.6). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Compress PDF sells 3 in-app purchases, starting at $2.99 per 7 days. PDF Compressor asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for PDF Compressor against 4.7 for Compress PDF. Both are backed by a comparable volume of ratings — 19 and 14 respectively. Written reviews are what separate them: 0% of PDF Compressor's written reviews are positive against 100% of Compress PDF's.

PDF Compressor ships an update every 43 months, Compress PDF fortnightly. The most recent releases landed on September 11, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | PDF Compressor | Compress PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (19 ratings)](https://appshunter.io/ios/app/pdf-compressor-jv/id6443694856/reviews) | **[4.7 (14 ratings)](https://appshunter.io/ios/app/compress-pdf-resize-pdf/id6753917813/reviews)** |
| Number of ratings | **19** | 14 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 43 months | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 12 MB | 7 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Jyoti Vaidya](https://appshunter.io/developer/1587362130) | [PremiumAl Limited](https://appshunter.io/developer/1865407557) |

## What reviewers say

### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-jv/id6443694856)

Easily reduce the file size of your PDF documents with a single tap. This tool helps save phone memory and speeds up uploads and downloads, especially for PDFs with scanned images.

**Highlights:** Compress PDF file size easily, Reduce PDF size within seconds, Smart and user-friendly interface, Compress multiple files, Share compressed files online

**Features:** macOS Compatibility

**In-app purchases:** none


### Compress PDF

[App page](https://appshunter.io/ios/app/compress-pdf-resize-pdf/id6753917813)

Easily reduce the size of PDF files for efficient storage and sharing. Offers adjustable quality levels and on-device processing for privacy. An optional Pro upgrade provides unlimited compressions, target file size control, and an ad-free experience.

**Highlights:** Compress PDFs by adjustable quality, Reduce PDF file size quickly, Preview original vs. compressed size, Share or save compressed PDFs, Private and secure on-device processing, Target file size control (Pro), Unlimited compressions (Pro)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $2.99 | per 7 days |
| Premium | $4.99 | one-time |
| Premium | $5.99 | one-time |


## Frequently asked questions

### Is PDF Compressor free?

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

### Is Compress PDF free?

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

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

Compress PDF is rated higher. PDF Compressor averages 4.6 out of 5 from 19 ratings, while Compress PDF averages 4.7 from 14 ratings.

### Do PDF Compressor or Compress PDF have ads?

PDF Compressor shows ads; Compress PDF does not.

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

PDF Compressor ships an update every 43 months, and Compress PDF fortnightly. Most recently, PDF Compressor was updated on September 11, 2026 and Compress PDF on September 15, 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.*