# Car Sensor vs Steer

The clearest difference is review sentiment: Car Sensor at 100% against Steer's 40%. Car Sensor also leads on in-app purchases (none vs 2) and iOS requirement (12.0 vs 26.1). Steer's advantage is update cadence (every 2 months vs every 32 months). On price, ads and device support there is nothing between them.

Both are free to download. Steer sells 2 in-app purchases, starting at $9.99 per month. Car Sensor asks for nothing beyond the download.

Car Sensor ships an update every 32 months, Steer every 2 months. The most recent releases landed on October 17, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Car Sensor | Steer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/car-sensor/id1192617609/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **100.0% of reviews** | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 2 months** |
| Monetization | **Free** | Freemium |
| Size | 9 MB | 26 MB |
| Requires iOS | **12.0** | 26.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mathew Yaldo](https://appshunter.io/developer/1148169685) | [Smarters Engineered](https://appshunter.io/developer/1821193944) |

## What reviewers say

### Car Sensor

[App page](https://appshunter.io/ios/app/car-sensor/id1192617609)

This app connects to specific robotic car sensors, displaying real-time readings. It alerts users when sensor thresholds are exceeded, providing essential monitoring for compatible vehicles.

**Highlights:** Connects to Manoogian robotic car sensors, Connects to similar Arduino sensors, Displays real-time sensor readings, Provides threshold warnings, Supports 2016-2017 Manoogian cars

**Features:** macOS Compatibility

**In-app purchases:** none


### Steer

[App page](https://appshunter.io/ios/app/steer-obd2-car-scanner/id6461049378)

Transform your smartphone into a powerful OBD2 diagnostic tool. Read and clear fault codes, monitor real-time performance metrics, and test your vehicle's acceleration and emissions. Compatible with a wide range of car brands and OBD2 scanners.

**Highlights:** Universal OBD2 scanner compatibility, Read and erase fault codes, Real-time performance metrics, Acceleration and performance testing, Emission compliance checks, Supports various car brands

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OBD2 Pro | $9.99 | per month |
| OBD2 Pro | $19.99 | per year |


## Frequently asked questions

### Is Car Sensor free?

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

### Is Steer free?

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

### Do Car Sensor or Steer have ads?

Neither Car Sensor nor Steer shows ads.

### Which is updated more often, Car Sensor or Steer?

Car Sensor ships an update every 32 months, and Steer every 2 months. Most recently, Car Sensor was updated on October 17, 2026 and Steer on October 20, 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.*