# Cube Circuit vs Merge Stack

The clearest difference is in-app purchases: Merge Stack at none against Cube Circuit's 1. Merge Stack also leads on update cadence (every 2 months vs every 13 months). Cube Circuit's advantage is ads (none vs shown) and iOS requirement (7.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Cube Circuit sells 1 one-off in-app purchase. Merge Stack asks for nothing beyond the download.

Cube Circuit ships an update every 13 months, Merge Stack every 2 months. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Cube Circuit | Merge Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cube-circuit/id1186353696/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 148 MB | 238 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RedFish Game Studio](https://appshunter.io/developer/1134805858) | [Kite Games](https://appshunter.io/developer/1878111512) |

## What reviewers say

### Cube Circuit

[App page](https://appshunter.io/ios/app/cube-circuit/id1186353696)

Connect paths on 3D cubes to create a clear circuit and allow energy to flow. Strategically place cubes to maximize your score in this futuristic puzzle game.

**Highlights:** 3D cube path connection, Energy flow circuits, Score maximization, Futuristic game design, Ultramodern UI, Sophisticated level design

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock 102 levels | $1.99 | one-time |


### Merge Stack

[App page](https://appshunter.io/ios/app/merge-stack-color-block/id6788709551)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cube Circuit free?

Cube Circuit is free to download, with in-app purchases available.

### Is Merge Stack free?

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

### Do Cube Circuit or Merge Stack have ads?

Merge Stack shows ads; Cube Circuit does not.

### Which is updated more often, Cube Circuit or Merge Stack?

Cube Circuit ships an update every 13 months, and Merge Stack every 2 months. Most recently, Cube Circuit was updated on October 7, 2026 and Merge Stack on October 4, 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.*