# PDF Compressor－Compress PDF vs Shrink PDF

The clearest difference is update cadence: Shrink PDF at every 8 days against PDF Compressor－Compress PDF's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Compressor－Compress PDF sells 4 in-app purchases, starting at $5.99 per 7 days and Shrink PDF sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

PDF Compressor－Compress PDF ships an update every 2 months, Shrink PDF every 8 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PDF Compressor－Compress PDF | Shrink PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (154 ratings)](https://appshunter.io/ios/app/pdf-compressorcompress-pdf/id6748140542/reviews)** | — |
| Number of ratings | **154** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 39 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EclixTech UK LTD](https://appshunter.io/developer/1824450302) | [hiroki kawamura](https://appshunter.io/developer/1613885005) |

## What reviewers say

### PDF Compressor－Compress PDF

[App page](https://appshunter.io/ios/app/pdf-compressorcompress-pdf/id6748140542)

Easily reduce the size of your PDF files without sacrificing quality. This tool helps you shrink PDFs for faster sharing, emailing, or uploading, saving valuable storage space. It's perfect for managing large documents and scanned files efficiently.

**Highlights:** Compress PDF files without losing clarity, Smart compressor for scanned or large documents, Reduce PDF size for easy upload and sharing, Free compressor with high quality output, Preserve text and image quality, Choose compression level

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $5.99 | per 7 days |
| Monthly Subscription | $9.99 | per month |
| Yearly Subscription | $19.99 | per year |
| 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－Compress PDF free?

PDF Compressor－Compress PDF 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－Compress PDF or Shrink PDF have ads?

Both PDF Compressor－Compress PDF and Shrink PDF show ads.

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

PDF Compressor－Compress PDF ships an update every 2 months, and Shrink PDF every 8 days. Most recently, PDF Compressor－Compress PDF was updated on November 5, 2026 and Shrink PDF 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.*