# Cogs vs Slime Matching

The clearest difference is price: Slime Matching at Free against Cogs's $4.99. Slime Matching also leads on in-app purchases (none vs 4) and rating (5.0 vs 4.6). Cogs's advantage is update cadence (every 2 months vs every 13 months) and ratings volume (33 vs 1). On ads and device support there is nothing between them.

Slime Matching is free to download; Cogs costs $4.99 up front. Cogs sells 4 one-off in-app purchases. Slime Matching asks for nothing beyond the download.

Slime Matching holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Cogs has 33 ratings behind it against 1, so its average is the more settled of the two.

Cogs ships an update every 2 months, Slime Matching every 13 months. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Cogs | Slime Matching |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.6 (33 ratings)](https://appshunter.io/ios/app/cogs/id351841075/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/slime-matching/id1033608768/reviews)** |
| Number of ratings | **33** | 1 |
| Positive reviews | 54.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 13 months |
| Monetization | Paid | **Free** |
| Size | 93 MB | 12 MB |
| Requires iOS | 13.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lazy 8 Studios](https://appshunter.io/developer/343960331) | [KENSHI DOI](https://appshunter.io/developer/709264908) |

## What reviewers say

### Cogs

[App page](https://appshunter.io/ios/app/cogs/id351841075)

A remastered 3D puzzle game where you construct intricate machines using sliding tiles. Explore various game modes, from building step-by-step to timed challenges and move-limited puzzles.

**Highlights:** Build complex machines with sliding tiles, 3D puzzle gameplay, Inventor Mode for learning, Time Challenge Mode, Move Challenge Mode, Remastered for modern devices

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cogs Puzzle Pack 2 | $0.99 | one-time |
| Cogs Puzzle Pack 3 | $0.99 | one-time |
| Cogs Puzzle Pack 4 | $0.99 | one-time |
| Cogs Puzzle Pack 5 | $0.99 | one-time |

**What reviewers like**

- 🚀 Addictive gameplay
- 👍 Beautiful graphics
- 🤔 Challenging puzzles
- 🎨 Lovely steampunk theme

**What reviewers complain about**

- 💰 Expensive in-app purchases
- 🔓 Lack of restore purchase option
- 🤏 Not enough free levels
- 🤯 Difficulty spike in paid levels

**Reported bugs**

- Game crashes on some devices
- Levels don't load properly

**Requested features**

- Add a reset option
- Provide more free levels
- Improve restore purchase functionality


### Slime Matching

[App page](https://appshunter.io/ios/app/slime-matching/id1033608768)

A 3D matching game where children can interact with bouncy slimes that react to touch. Designed for young players, it offers an engaging experience with colorful slimes and simple gameplay mechanics.

**Highlights:** 3D bouncy slime characters, Shape, color, and size matching, Interactive slime reactions, Designed for iOS accessibility, Part of a slime-themed app series

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cogs free?

Cogs costs $4.99, and also offers in-app purchases.

### Is Slime Matching free?

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

### Which has better reviews, Cogs or Slime Matching?

Slime Matching is rated higher. Cogs averages 4.6 out of 5 from 33 ratings, while Slime Matching averages 5.0 from 1 ratings.

### Do Cogs or Slime Matching have ads?

Neither Cogs nor Slime Matching shows ads.

### Which is updated more often, Cogs or Slime Matching?

Cogs ships an update every 2 months, and Slime Matching every 13 months. Most recently, Cogs was updated on October 12, 2026 and Slime Matching on October 3, 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.*