# EREX vs PDF Compressor

The clearest difference is in-app purchases: EREX at none against PDF Compressor's 2. EREX also leads on iOS requirement (11.0 vs 17.0). PDF Compressor's advantage is device support. On price there is nothing between them.

Both are free to download. PDF Compressor sells 2 in-app purchases, starting at $4.99 per 7 days. EREX asks for nothing beyond the download.

## The numbers

| Metric | EREX | PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 2 months |
| Size | 56 MB | 6 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ergo3 Sarl](https://appshunter.io/developer/351029767) | [Alex Gameli Heyman](https://appshunter.io/developer/1529812783) |

## What reviewers say

### EREX

[App page](https://appshunter.io/ios/app/erex/id1641557436)

**In-app purchases:** none


### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-resize-file/id6779411586)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Yearly | $24.99 | per year |


## Frequently asked questions

### Is EREX free?

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

### Is PDF Compressor free?

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

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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.*