# Racing Aspirations vs O

Racing Aspirations and O are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Racing Aspirations | O |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/racing-aspirations/id1076512172/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free | — |
| Size | 54 MB | 40 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Racing Aspirations Ltd](https://appshunter.io/developer/1076512171) | [HUTCHINSON](https://appshunter.io/developer/862345826) |

## What reviewers say

### Racing Aspirations

[App page](https://appshunter.io/ios/app/racing-aspirations/id1076512172)

This app provides visual tools for motorsport and engineering calculations, including suspension geometry and weight distribution. Design and simulate suspension setups, and optimize car weight distribution with interactive drag-and-drop features.

**Highlights:** Suspension Geometry Calculator, Weight Distribution Calculator, Visual simulation of suspension motion, Drag and drop component placement, Real-time calculation of car setup data

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

**In-app purchases:** none


### O

[App page](https://appshunter.io/ios/app/o-ring/id1229032846)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Racing Aspirations free?

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

### Is O free?

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

### Do Racing Aspirations or O have ads?

Neither Racing Aspirations nor O shows ads.

### Which is updated more often, Racing Aspirations or O?

Racing Aspirations ships an update every 6 weeks, and O every 6 weeks. Most recently, Racing Aspirations was updated on October 5, 2026 and O on October 12, 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.*