# PDF Compressor vs Split PDF Merger

The clearest difference is review sentiment: Split PDF Merger at 100% against PDF Compressor's 26%. Split PDF Merger also leads on ads (none vs shown) and rating (5.0 vs 4.6). PDF Compressor's advantage is ratings volume (813 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Split PDF Merger holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: PDF Compressor has 813 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 26% of PDF Compressor's written reviews are positive against 100% of Split PDF Merger's.

PDF Compressor ships an update every 2 months, Split PDF Merger every 4 weeks. The most recent releases landed on October 13, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | PDF Compressor | Split PDF Merger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (813 ratings)](https://appshunter.io/ios/app/pdf-compressor-compress-pdf/id1637213307/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/split-pdf-merger/id6514321660/reviews)** |
| Number of ratings | **813** | 1 |
| Positive reviews | 26.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 11 MB | 87 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Vishalbhai Vaghasiya](https://appshunter.io/developer/1512628511) | [Ernesto Gonzalez](https://appshunter.io/developer/1683765933) |

## 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


### Split PDF Merger

[App page](https://appshunter.io/ios/app/split-pdf-merger/id6514321660)

Easily split large PDF files into smaller ones or merge multiple documents into a single file. This app offers batch processing and custom page range selection for efficient PDF management.

**Highlights:** Intuitive user interface, Batch processing for multiple files, Custom page range splitting, Merge multiple PDFs into one, Compress PDFs to reduce size, Fast and efficient processing

**In-app purchases:** none


## Frequently asked questions

### Is PDF Compressor free?

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

### Is Split PDF Merger free?

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

### Which has better reviews, PDF Compressor or Split PDF Merger?

Split PDF Merger is rated higher. PDF Compressor averages 4.6 out of 5 from 813 ratings, while Split PDF Merger averages 5.0 from 1 ratings.

### Do PDF Compressor or Split PDF Merger have ads?

PDF Compressor shows ads; Split PDF Merger does not.

### Which is updated more often, PDF Compressor or Split PDF Merger?

PDF Compressor ships an update every 2 months, and Split PDF Merger every 4 weeks. Most recently, PDF Compressor was updated on October 13, 2026 and Split PDF Merger on September 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*