# PDF Compressor vs Extension Changer

The clearest difference is in-app purchases: Extension Changer at none against PDF Compressor's 4. PDF Compressor's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. PDF Compressor sells 3 in-app purchases, starting at $4.99 per 7 days. Extension Changer asks for nothing beyond the download.

## The numbers

| Metric | PDF Compressor | Extension Changer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (84 ratings)](https://appshunter.io/ios/app/pdf-compressor-reduce-size/id6476273989/reviews)** | — |
| Number of ratings | **84** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 61 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NextPixel apps](https://appshunter.io/developer/1584487280) | [SEFA ER](https://appshunter.io/developer/6775883510) |

## What reviewers say

### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-reduce-size/id6476273989)

Reduce the size of your PDF documents without sacrificing quality. Optimize PDFs for storage, sharing, and faster loading. Effortlessly manage and share your compressed files anywhere.

**Highlights:** Efficient PDF compression, Retain document quality, User-friendly file management, Easy sharing via multiple platforms, Optimize for storage and transfer

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| File Compressor - PDF | $4.99 | per 7 days |
| File Compressor - PDF | $7.99 | per 7 days |
| PDF Compressor - Resize file | $9.99 | per month |


### Extension Changer

[App page](https://appshunter.io/ios/app/extension-changer/id6808990995)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Compressor free?

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

### Is Extension Changer free?

Extension Changer is free to download, with no in-app purchases.

### Do PDF Compressor or Extension Changer have ads?

Neither PDF Compressor nor Extension Changer shows ads.

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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.*