# Photo Compressor vs Post Matrix Scan

The clearest difference is in-app purchases: Post Matrix Scan at none against Photo Compressor's 3. Post Matrix Scan also leads on update cadence (weekly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Photo Compressor sells 3 in-app purchases, starting at $2.99 per 7 days. Post Matrix Scan asks for nothing beyond the download.

Photo Compressor ships an update every 3 months, Post Matrix Scan weekly. The most recent releases landed on September 17, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Photo Compressor | Post Matrix Scan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 98 MB | 2 MB |
| Requires iOS | **15.5** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ademola Kevin Bello](https://appshunter.io/developer/1791254375) | [Philipp Kursawe](https://appshunter.io/developer/1685585255) |

## What reviewers say

### Photo Compressor

[App page](https://appshunter.io/ios/app/photo-compressor-shrinklix/id6749479596)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $2.99 | per 7 days |
| Shrinkr Pro | $17.99 | per year |
| Pro LifeTime | $22.99 | one-time |


### Post Matrix Scan

[App page](https://appshunter.io/ios/app/post-matrix-scan/id6758661802)

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

**In-app purchases:** none


## Frequently asked questions

### Is Photo Compressor free?

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

### Is Post Matrix Scan free?

Post Matrix Scan is free to download, with no in-app purchases.

### Do Photo Compressor or Post Matrix Scan have ads?

Neither Photo Compressor nor Post Matrix Scan shows ads.

### Which is updated more often, Photo Compressor or Post Matrix Scan?

Photo Compressor ships an update every 3 months, and Post Matrix Scan weekly. Most recently, Photo Compressor was updated on September 17, 2026 and Post Matrix Scan on September 7, 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.*