# Cog Hero vs Stack Snap 3D

The clearest difference is in-app purchases: Stack Snap 3D at none against Cog Hero's 1. Stack Snap 3D also leads on update cadence (every 2 months vs every 12 months) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Cog Hero sells 1 one-off in-app purchase. Stack Snap 3D asks for nothing beyond the download.

Cog Hero ships an update every 12 months, Stack Snap 3D every 2 months. The most recent releases landed on August 20, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Cog Hero | Stack Snap 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (8 ratings)](https://appshunter.io/ios/app/cog-hero/id6444390955/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 36 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Headlight Software, Inc.](https://appshunter.io/developer/286479939) | [Meetanshi Technologies LLP](https://appshunter.io/developer/1649028041) |

## What reviewers say

### Cog Hero

[App page](https://appshunter.io/ios/app/cog-hero/id6444390955)

A puzzle game where you make gears spin by tapping and moving them. Stacked gears turn if their colors match neighbors, and different colors can overlap. Unlock new color schemes and enjoy infinite replays with random levels.

**Highlights:** Gear rotation puzzles, Color matching mechanics, One-way gear challenges, Unlockable color schemes, Randomly generated levels, Offline play

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Difficulty Levels | $0.99 | one-time |


### Stack Snap 3D

[App page](https://appshunter.io/ios/app/stack-snap-3d/id6753793162)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cog Hero free?

Cog Hero is free to download, with in-app purchases available.

### Is Stack Snap 3D free?

Stack Snap 3D is free to download, with no in-app purchases.

### Do Cog Hero or Stack Snap 3D have ads?

Neither Cog Hero nor Stack Snap 3D shows ads.

### Which is updated more often, Cog Hero or Stack Snap 3D?

Cog Hero ships an update every 12 months, and Stack Snap 3D every 2 months. Most recently, Cog Hero was updated on August 20, 2026 and Stack Snap 3D on September 8, 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.*