# PDF Compressor vs PDF Compress Under 500KB

The clearest difference is in-app purchases: PDF Compress Under 500KB at none against PDF Compressor's 3. PDF Compress Under 500KB also leads on update cadence (monthly vs every 3 months). PDF Compressor's advantage is ads (none vs shown). On price, device support 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. PDF Compress Under 500KB asks for nothing beyond the download.

PDF Compressor ships an update every 3 months, PDF Compress Under 500KB monthly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PDF Compressor | PDF Compress Under 500KB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/pdf-compressor-pdfpress/id6756151715/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 44 MB | 32 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Imad Khan](https://appshunter.io/developer/1835041090) | [Shehar Yar](https://appshunter.io/developer/1844744480) |

## What reviewers say

### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-pdfpress/id6756151715)

Easily reduce the size of PDF files without sacrificing quality. Organize documents with folders and import PDFs instantly. Ideal for students, professionals, and anyone needing to manage digital documents efficiently.

**Highlights:** Ultra-efficient PDF compression (up to 98%), High-quality output, Simple file picker, Built-in folder organization, Fast, intuitive interface, Works offline, Share compressed PDFs (Premium)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Yearly Premium | $19.99 | per year |
| Lifetime Premium | $12.99 | one-time |


### 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 every 3 months, and PDF Compress Under 500KB monthly. Most recently, PDF Compressor was updated on October 30, 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.*