# Merge PDF vs PDF Compressor－Compress PDF

Merge PDF and PDF Compressor－Compress PDF both sit at 4.8 stars, but that hides the real split: 88% of Merge PDF's written reviews are positive against 25% of PDF Compressor－Compress PDF's. Merge PDF also leads on update cadence (every 9 days vs every 2 months). PDF Compressor－Compress PDF's advantage is iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Merge PDF sells 7 in-app purchases, starting at $2.99 per 7 days and PDF Compressor－Compress PDF sells 4 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Merge PDF against 4.7 for PDF Compressor－Compress PDF. Both are backed by a comparable volume of ratings — 357 and 154 respectively. Written reviews are what separate them: 88% of Merge PDF's written reviews are positive against 25% of PDF Compressor－Compress PDF's.

Merge PDF ships an update every 9 days, PDF Compressor－Compress PDF every 2 months. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Merge PDF | PDF Compressor－Compress PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (357 ratings)](https://appshunter.io/ios/app/merge-pdf-combine-pdf/id1613323089/reviews)** | [4.7 (154 ratings)](https://appshunter.io/ios/app/pdf-compressorcompress-pdf/id6748140542/reviews) |
| Number of ratings | **357** | 154 |
| Positive reviews | **88.2% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 32 MB | 30 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, iPod, Mac** |
| Age rating | +4 | 4+ |
| Developer | [talha rehman](https://appshunter.io/developer/1573036144) | [EclixTech UK LTD](https://appshunter.io/developer/1824450302) |

## What reviewers say

### Merge PDF

[App page](https://appshunter.io/ios/app/merge-pdf-combine-pdf/id1613323089)

This app offers a comprehensive suite of tools for managing PDF documents. It allows users to merge, split, compress, convert, and secure PDFs, as well as convert images to PDF format. Designed for ease of use, it caters to students, professionals, and general users needing efficient document handling.

**Highlights:** Merge PDF files, Split PDF files, Compress PDF files, Convert PDF to PNG, Image to PDF conversion, Lock and unlock PDFs, Light and dark mode

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-Day Free Trial - Weekly | $2.99 | per 7 days |
| Premium User - Weekly | $2.99 | per 7 days |
| Premium User - Weekly | $3.99 | per 7 days |
| Premium User - 1 Month | $5.99 | per month |
| Premium User - Yearly | $29.99 | per year |
| Premium User - Yearly | $29.99 | per year |
| Premium user - Lifetime | $99.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick and efficient
- 💯 Works as expected
- 🆓 Free app with great features
- 🤩 Excellent for beginners

**What reviewers complain about**

- 🐛 Occasional crashes
- 📢 Too many ads
- 🔍 Issues with aspect ratio and layout
- 🔒 Requires internet connection
- 🔄 Reverse order of added PDFs

**Reported bugs**

- Crashes from start
- Deleting information from documents
- Hyperlinks not working

**Requested features**

- Add PDF rotation tool
- Improve PDF layout and formatting
- Enhance share functionality
- Add PDF inversion feature


### PDF Compressor－Compress PDF

[App page](https://appshunter.io/ios/app/pdf-compressorcompress-pdf/id6748140542)

Easily reduce the size of your PDF files without sacrificing quality. This tool helps you shrink PDFs for faster sharing, emailing, or uploading, saving valuable storage space. It's perfect for managing large documents and scanned files efficiently.

**Highlights:** Compress PDF files without losing clarity, Smart compressor for scanned or large documents, Reduce PDF size for easy upload and sharing, Free compressor with high quality output, Preserve text and image quality, Choose compression level

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $5.99 | per 7 days |
| Monthly Subscription | $9.99 | per month |
| Yearly Subscription | $19.99 | per year |
| Yearly Subscription | $39.99 | per year |


## Frequently asked questions

### Is Merge PDF free?

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

### Is PDF Compressor－Compress PDF free?

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

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

Merge PDF is rated higher. Merge PDF averages 4.8 out of 5 from 357 ratings, while PDF Compressor－Compress PDF averages 4.7 from 154 ratings.

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

Both Merge PDF and PDF Compressor－Compress PDF show ads.

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

Merge PDF ships an update every 9 days, and PDF Compressor－Compress PDF every 2 months. Most recently, Merge PDF was updated on November 11, 2026 and PDF Compressor－Compress PDF on November 5, 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.*