# PDF Compressor vs Shrink PDF

The clearest difference is ads: PDF Compressor at none against Shrink PDF's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Compressor sells 2 in-app purchases, starting at $8.99 per month and Shrink PDF sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

PDF Compressor ships an update fortnightly, Shrink PDF every 2 weeks. The most recent releases landed on October 31, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | PDF Compressor | Shrink PDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Size | 48 MB | 39 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Soufiane Bouziane](https://appshunter.io/developer/1796428527) | [hiroki kawamura](https://appshunter.io/developer/1613885005) |

## 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 |


### Shrink PDF

[App page](https://appshunter.io/ios/app/shrink-pdf-compress-pdf-files/id6795783274)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Forever | $17.99 | one-time |


## Frequently asked questions

### Is PDF Compressor free?

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

### Is Shrink PDF free?

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

### Do PDF Compressor or Shrink PDF have ads?

Shrink PDF shows ads; PDF Compressor does not.

### Which is updated more often, PDF Compressor or Shrink PDF?

PDF Compressor ships an update fortnightly, and Shrink PDF every 2 weeks. Most recently, PDF Compressor was updated on October 31, 2026 and Shrink PDF on November 11, 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.*