# 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 26% of PDF Compressor's. Compress PDF also leads on ads (none vs shown) and update cadence (fortnightly vs every 2 months). PDF Compressor's advantage is in-app purchases (none vs 3) and ratings volume (813 vs 14). On price, rating 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. That said, the two scores are not equally well evidenced: PDF Compressor has 813 ratings behind it against 14, so its average is the more settled of the two. Written reviews are what separate them: 26% of PDF Compressor's written reviews are positive against 100% of Compress PDF's.

PDF Compressor ships an update every 2 months, Compress PDF fortnightly. The most recent releases landed on September 21, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | PDF Compressor | Compress PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (813 ratings)](https://appshunter.io/ios/app/pdf-compressor-compress-pdf/id1637213307/reviews) | **[4.7 (14 ratings)](https://appshunter.io/ios/app/compress-pdf-resize-pdf/id6753917813/reviews)** |
| Number of ratings | **813** | 14 |
| Positive reviews | 26.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 11 MB | 7 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Vishalbhai Vaghasiya](https://appshunter.io/developer/1512628511) | [PremiumAl Limited](https://appshunter.io/developer/1865407557) |

## What reviewers say

### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-compress-pdf/id1637213307)

Reduce the size of your PDF documents with this easy-to-use tool. Select your file, choose the desired output quality, and compress your PDFs with a single tap. Save disk space and speed up uploads and downloads.

**Highlights:** Compress PDF files, Reduce PDF file size, Select output PDF quality, Easy-to-use interface, Single-tap compression

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and efficient compression
- 👍 Simple and easy-to-use interface
- 💰 Free to download and use
- ✅ Effective file size reduction
- 📧 Solves email attachment size issues

**What reviewers complain about**

- 📢 Excessive and intrusive advertisements
- 🐛 Frequent app crashes and glitches
- ❌ File compression increases size instead of reducing it
- 🔄 App requires restart after each compression
- ⚠️ Suspicious ad permissions and potential security concerns

**Reported bugs**

- App crashes on second compression attempt
- File size increases instead of decreasing
- App exits unexpectedly after compression
- Compressed file unrecognizable or corrupted
- Keyboard numbers display as blank

**Requested features**

- Reduce or eliminate advertisements
- Add compression quality/control settings
- Batch file compression capability
- Improved preview functionality for multiple documents
- Better file naming conventions for compressed files


### 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 813 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 2 months, and Compress PDF fortnightly. Most recently, PDF Compressor was updated on September 21, 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.*