# Car Engine and Suspension vs theFirstMessage

The clearest difference is ads: theFirstMessage at none against Car Engine and Suspension's shown. theFirstMessage also leads on update cadence (every 2 months vs every 18 months). Car Engine and Suspension's advantage is iOS requirement (15.0 vs 18.0). 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.

Car Engine and Suspension ships an update every 18 months, theFirstMessage every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Car Engine and Suspension | theFirstMessage |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (73 ratings)](https://appshunter.io/ios/app/car-engine-and-suspension/id6471146773/reviews)** | — |
| Number of ratings | **73** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 18 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 198 MB | 59 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Renzo Macedo](https://appshunter.io/developer/1403943580) | [Denys Matviienko](https://appshunter.io/developer/1895780715) |

## What reviewers say

### Car Engine and Suspension

[App page](https://appshunter.io/ios/app/car-engine-and-suspension/id6471146773)

Explore detailed animated models of internal combustion engines and car suspension systems. Observe components in action, understand their functions, and experiment with suspension configurations to learn about automotive mechanics.

**Highlights:** Transparent internal combustion engine model, Animated suspension system visualization, Variable suspension system configuration, Slow-motion detail viewing, Component exploration

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

**In-app purchases:** none


### theFirstMessage

[App page](https://appshunter.io/ios/app/thefirstmessage/id6764438319)

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

**In-app purchases:** none


## Frequently asked questions

### Is Car Engine and Suspension free?

Car Engine and Suspension is free to download, with no in-app purchases.

### Is theFirstMessage free?

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

### Do Car Engine and Suspension or theFirstMessage have ads?

Car Engine and Suspension shows ads; theFirstMessage does not.

### Which is updated more often, Car Engine and Suspension or theFirstMessage?

Car Engine and Suspension ships an update every 18 months, and theFirstMessage every 2 months. Most recently, Car Engine and Suspension was updated on October 24, 2026 and theFirstMessage on October 25, 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.*