# Merge files PDF vs PDF Compressor

The clearest difference is in-app purchases: PDF Compressor at none against Merge files PDF's 3. Merge files PDF's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 2 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Merge files PDF sells 3 in-app purchases, starting at $0.99 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 Merge files PDF against 4.6 for PDF Compressor. Both are backed by a comparable volume of ratings — 348 and 871 respectively. Written reviews split almost evenly too, at 26% and 26% positive.

Merge files PDF ships an update every 2 weeks, PDF Compressor every 2 months. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Merge files PDF | PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (348 ratings)](https://appshunter.io/ios/app/merge-files-pdf/id1559819770/reviews) | **[4.6 (871 ratings)](https://appshunter.io/ios/app/pdf-compressor-compress-pdf/id1637213307/reviews)** |
| Number of ratings | 348 | **871** |
| Positive reviews | 25.7% of reviews | **26.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Freemium | **Ad-supported** |
| Size | 3 MB | 11 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Abdullah Albalawi](https://appshunter.io/developer/1008309841) | [Vishalbhai Vaghasiya](https://appshunter.io/developer/1512628511) |

## What reviewers say

### Merge files PDF

[App page](https://appshunter.io/ios/app/merge-files-pdf/id1559819770)

Combine multiple PDF documents into a single file with ease. Select your desired PDFs and merge them quickly. Unlock advanced features like sharing, renaming, and unlimited merging with a premium subscription.

**Highlights:** Merge multiple PDF files, Easy to use interface, Display merged PDF, Share merged PDF, Rename merged PDF, Unlimited merging (premium)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| weekly subscription | $0.99 | per 7 days |
| monthly subscription | $3.99 | per month |
| yearly subscription | $14.99 | per year |

**What reviewers like**

- 🚀 Merge files
- 👍 Good app
- 💡 Can get free

**What reviewers complain about**

- 🐛 Doesn't work
- 💰 Need to pay for everything
- 🔒 Can't share or save without paying
- ⚠️ Useless if you don't pay
- 🚫 Fraud app

**Reported bugs**

- Subscription issues
- Incompatible with free usage

**Requested features**

- Allow free sharing and saving of merged files
- Improve free functionality


### 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


## Frequently asked questions

### Is Merge files PDF free?

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

### Is PDF Compressor free?

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

### Which has better reviews, Merge files PDF or PDF Compressor?

PDF Compressor is rated higher. Merge files PDF averages 4.6 out of 5 from 348 ratings, while PDF Compressor averages 4.6 from 871 ratings.

### Do Merge files PDF or PDF Compressor have ads?

PDF Compressor shows ads; Merge files PDF does not.

### Which is updated more often, Merge files PDF or PDF Compressor?

Merge files PDF ships an update every 2 weeks, and PDF Compressor every 2 months. Most recently, Merge files PDF was updated on November 6, 2026 and PDF Compressor on November 7, 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.*