# Race Alpine vs ChallengeBu!

The clearest difference is in-app purchases: ChallengeBu! at none against Race Alpine's 1. ChallengeBu! also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Race Alpine sells 1 in-app purchase, starting at $29.99 per year. ChallengeBu! asks for nothing beyond the download.

Race Alpine ships an update every 4 days, ChallengeBu! every 3 days. The most recent releases landed on September 30, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Race Alpine | ChallengeBu! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | **Every 3 days** |
| Size | 73 MB | 38 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Adem Umut Gunebakan](https://appshunter.io/developer/1847194792) | [Hazar Ustun](https://appshunter.io/developer/1885352713) |

## What reviewers say

### Race Alpine

[App page](https://appshunter.io/ios/app/race-alpine/id6759469301)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Pro | $29.99 | per year |


### ChallengeBu!

[App page](https://appshunter.io/ios/app/challengebu/id6785916807)

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

**In-app purchases:** none


## Frequently asked questions

### Is Race Alpine free?

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

### Is ChallengeBu! free?

ChallengeBu! is free to download, with no in-app purchases.

### Do Race Alpine or ChallengeBu! have ads?

Race Alpine shows ads; ChallengeBu! does not.

### Which is updated more often, Race Alpine or ChallengeBu!?

Race Alpine ships an update every 4 days, and ChallengeBu! every 3 days. Most recently, Race Alpine was updated on September 30, 2026 and ChallengeBu! on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*