# NC PDF Merge vs PDF Compressor

The clearest difference is update cadence: PDF Compressor at every 3 days against NC PDF Merge's every 3 weeks. PDF Compressor also leads on iOS requirement (18.0 vs 26.2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. NC PDF Merge sells 1 one-off in-app purchase and PDF Compressor sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

NC PDF Merge ships an update every 3 weeks, PDF Compressor every 3 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | NC PDF Merge | PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-compressor-size-compress/id6799160505/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 4 MB | 26 MB |
| Requires iOS | 26.2 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Martin Neifer](https://appshunter.io/developer/1824974012) | [TechCreative Lab LLC](https://appshunter.io/developer/6799160509) |

## What reviewers say

### NC PDF Merge

[App page](https://appshunter.io/ios/app/nc-pdf-merge/id6761257681)

Easily combine multiple PDF files into a single document. This app also offers tools to compress PDFs, scan documents with your camera, and sort pages before merging. Enjoy a clean interface for efficient PDF management.

**Highlights:** Merge multiple PDFs, Compress PDF file size, Scan documents to PDF, Drag and drop sorting, Cut and rotate pages, Live PDF preview, Share and export PDFs

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Watermark | $1.99 | one-time |


### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-size-compress/id6799160505)

Easily reduce the size of PDF files by up to 90% without sacrificing quality. This tool offers multiple compression levels and batch processing, making it ideal for emailing documents, saving storage, and meeting upload size limits.

**Highlights:** Compress PDFs up to 90%, 6 compression levels, Batch compression, Organize with folders, Secure file processing, Manage and preview files

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week | $1.99 | per 7 days |
| Month | $6.99 | per month |
| Year | $29.99 | per year |


## Frequently asked questions

### Is NC PDF Merge free?

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

### Is PDF Compressor free?

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

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

Neither NC PDF Merge nor PDF Compressor shows ads.

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

NC PDF Merge ships an update every 3 weeks, and PDF Compressor every 3 days. Most recently, NC PDF Merge was updated on November 9, 2026 and PDF Compressor on October 31, 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.*