# PDF Merge vs pdf compressor.

The clearest difference is in-app purchases: pdf compressor. at none against PDF Merge's 4. pdf compressor. also leads on iOS requirement (13.4 vs 15.0). PDF Merge's advantage is rating (4.6 vs 4.3). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. PDF Merge sells 4 in-app purchases, starting at $4.99 per 7 days. pdf compressor. asks for nothing beyond the download.

PDF Merge holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 11 and 30 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

PDF Merge ships an update weekly, pdf compressor. every 9 days. The most recent releases landed on September 20, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | PDF Merge | pdf compressor. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (11 ratings)](https://appshunter.io/ios/app/pdf-merge-document-sign-pdf/id6475400436/reviews)** | [4.3 (30 ratings)](https://appshunter.io/ios/app/pdf-compressor/id6547852427/reviews) |
| Number of ratings | 11 | **30** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 27 MB | 18 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [AppFlux Labs](https://appshunter.io/developer/1882687293) | [Muhammed Efdal incesu](https://appshunter.io/developer/1748859357) |

## What reviewers say

### PDF Merge

[App page](https://appshunter.io/ios/app/pdf-merge-document-sign-pdf/id6475400436)

Easily merge multiple PDF files into one cohesive document or split large PDFs into smaller sections. This app also allows you to fill out forms and add your signature directly within the application.

**Highlights:** Merge multiple PDFs, Split large PDFs, Fill and sign documents, Convert images to PDF, User-friendly interface

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $4.99 | per 7 days |
| Unlimited Access | $5.99 | per month |
| Unlimited Access | $24.99 | per year |
| Lifetime Premium | $29.99 | one-time |


### pdf compressor.

[App page](https://appshunter.io/ios/app/pdf-compressor/id6547852427)

Easily shrink and optimize PDF files to save storage space and improve sharing efficiency. This tool offers fast compression without compromising quality, making your documents more manageable for email, storage, or online sharing.

**Highlights:** Compress PDF files, Reduce PDF size, Optimize PDF files, Shrink PDF files, Fast compression, File size reduction

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Merge free?

PDF Merge 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, PDF Merge or pdf compressor.?

PDF Merge is rated higher. PDF Merge averages 4.6 out of 5 from 11 ratings, while pdf compressor. averages 4.3 from 30 ratings.

### Do PDF Merge or pdf compressor. have ads?

Neither PDF Merge nor pdf compressor. shows ads.

### Which is updated more often, PDF Merge or pdf compressor.?

PDF Merge ships an update weekly, and pdf compressor. every 9 days. Most recently, PDF Merge was updated on September 20, 2026 and pdf compressor. on September 3, 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.*