# CatCompressor vs Just Resize

The clearest difference is ads: CatCompressor at none against Just Resize's shown. Just Resize's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CatCompressor ships an update every 5 months, Just Resize every 3 months. The most recent releases landed on October 21, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | CatCompressor | Just Resize |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/catcompressor/id6470454527/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 4 MB | 9 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, Mac | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daichi Kato](https://appshunter.io/developer/1658554826) | [SeokWoo Lee](https://appshunter.io/developer/1463256909) |

## What reviewers say

### CatCompressor

[App page](https://appshunter.io/ios/app/catcompressor/id6470454527)

Easily reduce the file size of your videos with customizable compression settings. This tool supports batch processing, allowing you to compress multiple clips simultaneously.

**Highlights:** Video compression, Customizable settings, Batch processing, Multiple video support

**In-app purchases:** none


### Just Resize

[App page](https://appshunter.io/ios/app/just-resize-photo-compressor/id6759147413)

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

**In-app purchases:** none


## Frequently asked questions

### Is CatCompressor free?

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

### Is Just Resize free?

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

### Do CatCompressor or Just Resize have ads?

Just Resize shows ads; CatCompressor does not.

### Which is updated more often, CatCompressor or Just Resize?

CatCompressor ships an update every 5 months, and Just Resize every 3 months. Most recently, CatCompressor was updated on October 21, 2026 and Just Resize on October 12, 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.*