# IQ Cube vs Fault Line

The clearest difference is update cadence: Fault Line at every 2 days against IQ Cube's every 2 weeks. IQ Cube's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. IQ Cube sells 2 one-off in-app purchases and Fault Line sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

IQ Cube ships an update every 2 weeks, Fault Line every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | IQ Cube | Fault Line |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/fault-line/id6786676905/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 110 MB | 70 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Geeky Games, LLC](https://appshunter.io/developer/1162217455) | [Kris Morin](https://appshunter.io/developer/6786676907) |

## What reviewers say

### IQ Cube

[App page](https://appshunter.io/ios/app/iq-cube/id6757963564)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Boards | $2.99 | one-time |
| No Ads | $2.99 | one-time |


### Fault Line

[App page](https://appshunter.io/ios/app/fault-line/id6786676905)

This puzzle adventure game challenges players to match gems while managing dynamic board mechanics. Strategically handle rising pressure, contain spreading lava, and overcome escalating hazards. Push your skills to the limit with unique game modes and powerful abilities.

**Highlights:** Hundreds of handcrafted levels, Three unique game modes, Strategic pressure management, Dynamic lava and obstacle mechanics, Powerful special gems and abilities, Player progression and achievements, Endless mode with global leaderboards

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quantum Core | $0.99 | one-time |
| Prism Spike | $0.99 | one-time |
| Volt Surge | $0.99 | one-time |
| Void Pulse | $0.99 | one-time |
| Fracture Star | $0.99 | one-time |
| Coins Bundle 750 | $2.99 | one-time |
| Starter Bundle | $4.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Coins Bundle 2000 | $6.99 | one-time |
| Legendary Bundle | $24.99 | one-time |


## Frequently asked questions

### Is IQ Cube free?

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

### Is Fault Line free?

Fault Line is free to download, with in-app purchases available.

### Do IQ Cube or Fault Line have ads?

Both IQ Cube and Fault Line show ads.

### Which is updated more often, IQ Cube or Fault Line?

IQ Cube ships an update every 2 weeks, and Fault Line every 2 days. Most recently, IQ Cube was updated on October 31, 2026 and Fault Line on October 31, 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.*