# Chelles vs AI Race Engineer

The clearest difference is in-app purchases: Chelles at none against AI Race Engineer's 10. Chelles also leads on iOS requirement (13.0 vs 15.5). AI Race Engineer's advantage is ads (none vs shown) and update cadence (every 3 days vs every 19 months). On price and device support there is nothing between them.

Both are free to download. AI Race Engineer sells 10 in-app purchases, starting at $6.99 per month. Chelles asks for nothing beyond the download.

Chelles ships an update every 19 months, AI Race Engineer every 3 days. The most recent releases landed on October 26, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Chelles | AI Race Engineer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (12 ratings)](https://appshunter.io/ios/app/ai-race-engineer/id6768048614/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 19 months | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 41 MB | 111 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Boxoffice Company France](https://appshunter.io/developer/1454501577) | [Johan Melot](https://appshunter.io/developer/1896534126) |

## What reviewers say

### Chelles

[App page](https://appshunter.io/ios/app/chelles-cosmos/id1491356274)

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

**In-app purchases:** none


### AI Race Engineer

[App page](https://appshunter.io/ios/app/ai-race-engineer/id6768048614)

Transform your smartphone into a personal race engineer. Get real-time race strategy, coaching, and car analysis through voice commands. Optimize your performance with AI-assisted setup suggestions and detailed corner-by-corner feedback.

**Highlights:** Voice-activated race engineer, Real-time game data integration, Full race strategy and coaching, Qualifying cycle analysis, Corner-by-corner performance debrief, AI-assisted car setup (PRO)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Monthly | $6.99 | per month |
| PRO Season Pass | $14.99 | per 3 months |
| PRO Yearly | $47.99 | per year |
| 250 Tokens | $3.99 | one-time |
| Gift 1 month PRO | $6.99 | one-time |
| 750 Tokens | $8.99 | one-time |
| Gift 3 months PRO | $14.99 | one-time |
| Gift 1 year PRO | $47.99 | one-time |
| PRO Lifetime | $144.99 | one-time |
| Gift lifetime PRO | $144.99 | one-time |


## Frequently asked questions

### Is Chelles free?

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

### Is AI Race Engineer free?

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

### Do Chelles or AI Race Engineer have ads?

Chelles shows ads; AI Race Engineer does not.

### Which is updated more often, Chelles or AI Race Engineer?

Chelles ships an update every 19 months, and AI Race Engineer every 3 days. Most recently, Chelles was updated on October 26, 2026 and AI Race Engineer 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.*