# PDF Tools vs Shrink PDF

The clearest difference is in-app purchases: PDF Tools at none against Shrink PDF's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Shrink PDF sells 2 in-app purchases, starting at $1.99 per month. PDF Tools asks for nothing beyond the download.

PDF Tools ships an update weekly, Shrink PDF every 8 days. The most recent releases landed on October 8, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | PDF Tools | Shrink PDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 8 days |
| Size | 35 MB | 39 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VENTRYDIGITAL TECHNOLOGY LTD](https://appshunter.io/developer/1895929583) | [hiroki kawamura](https://appshunter.io/developer/1613885005) |

## What reviewers say

### PDF Tools

[App page](https://appshunter.io/ios/app/pdf-tools-scan-merge-split/id6784175522)

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

**In-app purchases:** none


### Shrink PDF

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

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free PDF Shrinking | $1.99 | per month |
| Ad-Free Forever | $17.99 | one-time |


## Frequently asked questions

### Is PDF Tools free?

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

### Is Shrink PDF free?

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

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

Both PDF Tools and Shrink PDF show ads.

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

PDF Tools ships an update weekly, and Shrink PDF every 8 days. Most recently, PDF Tools was updated on October 8, 2026 and Shrink PDF on October 29, 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.*