# PDF Compressor vs PDF Compress Under 500KB

The clearest difference is in-app purchases: PDF Compress Under 500KB at none against PDF Compressor's 2. PDF Compressor's advantage is ads (none vs shown) and update cadence (fortnightly vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Compressor sells 2 in-app purchases, starting at $8.99 per month. PDF Compress Under 500KB asks for nothing beyond the download.

PDF Compressor ships an update fortnightly, PDF Compress Under 500KB monthly. Both last shipped on October 31, 2026.

## The numbers

| Metric | PDF Compressor | PDF Compress Under 500KB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Monthly |
| Size | 48 MB | 32 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Soufiane Bouziane](https://appshunter.io/developer/1796428527) | [Shehar Yar](https://appshunter.io/developer/1844744480) |

## What reviewers say

### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-compress-size/id6757967560)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $8.99 | per month |
| Yearly Subscription | $39.99 | per year |


### PDF Compress Under 500KB

[App page](https://appshunter.io/ios/app/pdf-compress-under-500kb/id6762695008)

**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 PDF Compress Under 500KB free?

PDF Compress Under 500KB is free to download, with no in-app purchases.

### Do PDF Compressor or PDF Compress Under 500KB have ads?

PDF Compress Under 500KB shows ads; PDF Compressor does not.

### Which is updated more often, PDF Compressor or PDF Compress Under 500KB?

PDF Compressor ships an update fortnightly, and PDF Compress Under 500KB monthly. Most recently, PDF Compressor was updated on October 31, 2026 and PDF Compress Under 500KB 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.*