# RaceTyreControl vs PCS Instruments

The clearest difference is review sentiment: PCS Instruments at 100% against RaceTyreControl's 50%. PCS Instruments also leads on in-app purchases (none vs 1) and iOS requirement (13.0 vs 15.1). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. RaceTyreControl sells 1 one-off in-app purchase. PCS Instruments asks for nothing beyond the download.

## The numbers

| Metric | RaceTyreControl | PCS Instruments |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | Free |
| Size | 79 MB | 5 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Martin Hutchison](https://appshunter.io/developer/1497598741) | [PCS Instruments Limited](https://appshunter.io/developer/1575085372) |

## What reviewers say

### RaceTyreControl

[App page](https://appshunter.io/ios/app/racetyrecontrol/id1497598742)

This app streamlines tyre management for race championships, simplifying trackside checks and office procedures for organizers. Drivers can use it to manage their race tyres by logging in with credentials provided by their championship.

**Highlights:** Tyre registration for race championships, Simplified trackside tyre checks, Paperless tyre management, Driver race tyre logging, Championship management tools

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Single Season | $14.99 | one-time |


### PCS Instruments

[App page](https://appshunter.io/ios/app/pcs-instruments/id1575085370)

Calculate Hertz contact pressures and sizes for various geometries, loads, and materials. Pre-loaded with specimen data from PCS Instruments machines and common materials, with options to add custom ones.

**Highlights:** Hertz contact pressure calculations, Contact size calculations, Load and material input, Pre-loaded specimen data, Custom material support, Circular and line contact calculations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RaceTyreControl free?

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

### Is PCS Instruments free?

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

### Do RaceTyreControl or PCS Instruments have ads?

Neither RaceTyreControl nor PCS Instruments shows ads.

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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.*