# Cat Sort vs Wool Merge

Cat Sort and Wool Merge are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Cat Sort | Wool Merge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Size | 21 MB | 20 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [丽君 程](https://appshunter.io/developer/1688044191) | [远 吴](https://appshunter.io/developer/1678040884) |

## What reviewers say

### Cat Sort

[App page](https://appshunter.io/ios/app/cat-sort-classic/id6759595941)

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

**In-app purchases:** none


### Wool Merge

[App page](https://appshunter.io/ios/app/wool-merge/id6759703715)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cat Sort free?

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

### Is Wool Merge free?

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

### Do Cat Sort or Wool Merge have ads?

Both Cat Sort and Wool Merge show ads.

### Which is updated more often, Cat Sort or Wool Merge?

Cat Sort ships an update every 2 months, and Wool Merge every 2 months. Most recently, Cat Sort was updated on October 14, 2026 and Wool Merge on October 15, 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.*