# PDF Compress vs PDF Reader

The clearest difference is in-app purchases: PDF Compress at none against PDF Reader's 3. PDF Compress also leads on ads (none vs shown) and update cadence (every 11 days vs every 2 months). PDF Reader's advantage is iOS requirement (15.6 vs 17.4). On price and device support there is nothing between them.

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

PDF Compress ships an update every 11 days, PDF Reader every 2 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | PDF Compress | PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/pdf-compress-reduce-pdf-size/id6504757939/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 11 days** | Every 2 months |
| Monetization | Free | — |
| Size | 5 MB | 87 MB |
| Requires iOS | 17.4 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shivang Mishra](https://appshunter.io/developer/1721126376) | [Pawel Lukasz](https://appshunter.io/developer/1846816545) |

## What reviewers say

### PDF Compress

[App page](https://appshunter.io/ios/app/pdf-compress-reduce-pdf-size/id6504757939)

Effortlessly reduce the size of PDF documents on your iPhone or iPad. Choose from multiple compression levels to save storage space and optimize file sharing, all while maintaining excellent quality. Your documents are processed locally for enhanced privacy and security.

**Highlights:** Compress PDF files without quality loss, Multiple compression level options, User-friendly interface, Save space and improve sharing efficiency, Preview compressed PDFs, Local processing for privacy, Integrates with iOS Files app

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-prodoc-plus/id6754163428)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ProScan+ \| Monthly Subscription | $4.99 | per month |
| ProScan+ Subscription every 3mo | $9.99 | per 3 months |
| ProScan+ Subscription Yearly | $49.99 | per year |


## Frequently asked questions

### Is PDF Compress free?

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

### Is PDF Reader free?

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

### Do PDF Compress or PDF Reader have ads?

PDF Reader shows ads; PDF Compress does not.

### Which is updated more often, PDF Compress or PDF Reader?

PDF Compress ships an update every 11 days, and PDF Reader every 2 months. Most recently, PDF Compress was updated on October 25, 2026 and PDF Reader on October 25, 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.*