# PDF Compressor vs tomTrace

The clearest difference is in-app purchases: tomTrace at none against PDF Compressor's 2. tomTrace also leads on update cadence (every 3 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Compressor sells 2 in-app purchases, starting at $8.99 per month. tomTrace asks for nothing beyond the download.

PDF Compressor ships an update fortnightly, tomTrace every 3 days. The most recent releases landed on September 30, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | PDF Compressor | tomTrace |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 48 MB | 1 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Soufiane Bouziane](https://appshunter.io/developer/1796428527) | [Taro Tomura](https://appshunter.io/developer/1243542772) |

## 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 |


### tomTrace

[App page](https://appshunter.io/ios/app/tomtrace/id6761247621)

**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 tomTrace free?

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

### Do PDF Compressor or tomTrace have ads?

Neither PDF Compressor nor tomTrace shows ads.

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

PDF Compressor ships an update fortnightly, and tomTrace every 3 days. Most recently, PDF Compressor was updated on September 30, 2026 and tomTrace on September 9, 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.*