# M100 vs Steer

The clearest difference is in-app purchases: M100 at none against Steer's 2. M100 also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (10.0 vs 26.1). 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. M100 asks for nothing beyond the download.

M100 ships an update every 3 weeks, Steer every 2 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | M100 | Steer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (6 ratings)](https://appshunter.io/ios/app/m100/id1619029812/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Free** | Freemium |
| Size | 97 MB | 26 MB |
| Requires iOS | **10.0** | 26.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Chaoyue Technology Development Co.,Ltd](https://appshunter.io/developer/1223781320) | [Smarters Engineered](https://appshunter.io/developer/1821193944) |

## What reviewers say

### M100

[App page](https://appshunter.io/ios/app/m100/id1619029812)

This application connects to your vehicle via Bluetooth to provide diagnostic and monitoring functions. It allows you to read and clear fault codes, analyze driving performance, and view instrument panel data. Supports multiple languages and operates on low power.

**Highlights:** Fault code reading and clearing, Instrument panel display, Performance testing, Driving analysis, Bluetooth 4.0 adapter support, Multi-language support

**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 M100 free?

M100 is free to download, with no in-app purchases.

### Is Steer free?

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

### Do M100 or Steer have ads?

Neither M100 nor Steer shows ads.

### Which is updated more often, M100 or Steer?

M100 ships an update every 3 weeks, and Steer every 2 months. Most recently, M100 was updated on October 24, 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.*