# O vs X Duel vs Ghost Run 3D

The clearest difference is ads: Ghost Run 3D at none against O vs X Duel's shown. O vs X Duel's advantage is update cadence (weekly vs every 2 weeks) and iOS requirement (13.0 vs 15.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

O vs X Duel ships an update weekly, Ghost Run 3D every 2 weeks. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | O vs X Duel | Ghost Run 3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 115 MB | 355 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cheng-Kai Wu](https://appshunter.io/developer/1824246427) | [Sebastien Champmartin](https://appshunter.io/developer/1411452560) |

## What reviewers say

### O vs X Duel

[App page](https://appshunter.io/ios/app/o-vs-x-duel/id6748151029)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ghost Run 3D

[App page](https://appshunter.io/ios/app/ghost-run-3d/id6752123977)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is O vs X Duel free?

O vs X Duel is free to download, with no in-app purchases.

### Is Ghost Run 3D free?

Ghost Run 3D is free to download, with no in-app purchases.

### Do O vs X Duel or Ghost Run 3D have ads?

O vs X Duel shows ads; Ghost Run 3D does not.

### Which is updated more often, O vs X Duel or Ghost Run 3D?

O vs X Duel ships an update weekly, and Ghost Run 3D every 2 weeks. Most recently, O vs X Duel was updated on October 30, 2026 and Ghost Run 3D on October 28, 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.*