# Ultimate Challenge App vs ACE Races

The clearest difference is update cadence: ACE Races at every 2 months against Ultimate Challenge App's every 4 months. Ultimate Challenge App's advantage is iOS requirement (13.0 vs 15.1). On price, ads, 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.

Ultimate Challenge App ships an update every 4 months, ACE Races every 2 months. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Ultimate Challenge App | ACE Races |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 160 MB | 65 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Active Connections Ltd](https://appshunter.io/developer/1015144091) | [ACE Races](https://appshunter.io/developer/1891479051) |

## What reviewers say

### Ultimate Challenge App

[App page](https://appshunter.io/ios/app/ultimate-challenge-app/id6469605832)

**Features:** macOS Compatibility

**In-app purchases:** none


### ACE Races

[App page](https://appshunter.io/ios/app/ace-races/id6761787419)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ultimate Challenge App free?

Ultimate Challenge App is free to download, with no in-app purchases.

### Is ACE Races free?

ACE Races is free to download, with no in-app purchases.

### Do Ultimate Challenge App or ACE Races have ads?

Neither Ultimate Challenge App nor ACE Races shows ads.

### Which is updated more often, Ultimate Challenge App or ACE Races?

Ultimate Challenge App ships an update every 4 months, and ACE Races every 2 months. Most recently, Ultimate Challenge App was updated on October 9, 2026 and ACE Races on October 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.*