# GravitX vs Heroic Castle Siege

The clearest difference is in-app purchases: Heroic Castle Siege at none against GravitX's 1. Heroic Castle Siege also leads on iOS requirement (12.0 vs 18.2). GravitX's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. GravitX sells 1 one-off in-app purchase. Heroic Castle Siege asks for nothing beyond the download.

## The numbers

| Metric | GravitX | Heroic Castle Siege |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/gravitx/id1466792940/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 594 MB | 203 MB |
| Requires iOS | 18.2 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Improvis LLC](https://appshunter.io/developer/1466792939) | [Dats Games LTD](https://appshunter.io/developer/1634603672) |

## What reviewers say

### GravitX

[App page](https://appshunter.io/ios/app/gravitx/id1466792940)

Experience a unique mobile game controlled entirely by your head movements. Navigate a ball through challenging levels, avoiding obstacles and collecting checkpoints. This innovative title offers a fun workout for your eyes and neck, and is accessible for players with mobility impairments.

**Highlights:** Head-tracking controls, Unique gameplay concept, Obstacle avoidance challenges, Checkpoint progression, Eye and neck workout, Accessible for mobility impairments

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| "Metal" world | $0.99 | one-time |


### Heroic Castle Siege

[App page](https://appshunter.io/ios/app/heroic-castle-siege/id6503430922)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GravitX free?

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

### Is Heroic Castle Siege free?

Heroic Castle Siege is free to download, with no in-app purchases.

### Do GravitX or Heroic Castle Siege have ads?

Heroic Castle Siege shows ads; GravitX does not.

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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.*