# MClass vs PDF Compressor

The clearest difference is in-app purchases: MClass at none against PDF Compressor's 3. MClass also leads on iOS requirement (12.0 vs 16.6). PDF Compressor's advantage is device support. On price there is nothing between them.

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

## The numbers

| Metric | MClass | PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Size | 53 MB | 9 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | — | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [PT. DLABS INDONESIA INFOTECH](https://appshunter.io/developer/1744881828) | [华清 沈](https://appshunter.io/developer/1825423399) |

## What reviewers say

### MClass

[App page](https://appshunter.io/ios/app/mclass/id6502281799)

**In-app purchases:** none


### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-shrink-files/id6759241167)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Access | $4.99 | per month |
| Premium Yearly Pass | $34.99 | per year |
| Lifetime Pro Access | $69.99 | one-time |


## Frequently asked questions

### Is MClass free?

MClass 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.*