# iOBD2 vs Steer

The clearest difference is in-app purchases: iOBD2 at none against Steer's 2. iOBD2 also leads on iOS requirement (6.0 vs 26.1). Steer's advantage is review sentiment (40% vs 23%). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. Steer sells 2 in-app purchases, starting at $9.99 per month. iOBD2 asks for nothing beyond the download.

iOBD2 ships an update every 5 weeks, Steer every 2 months. Both last shipped on October 20, 2026.

## The numbers

| Metric | iOBD2 | Steer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (85 ratings)](https://appshunter.io/ios/app/iobd2/id528881858/reviews)** | — |
| Number of ratings | **85** | — |
| Positive reviews | 23.4% of reviews | **40.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 90 MB | 26 MB |
| Requires iOS | **6.0** | 26.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Yunjia Intelligence Technology Co., Ltd.](https://appshunter.io/developer/528881861) | [Smarters Engineered](https://appshunter.io/developer/1821193944) |

## What reviewers say

### iOBD2

[App page](https://appshunter.io/ios/app/iobd2/id528881858)

Transform your iPhone or iPad into a powerful vehicle diagnostic tool. Read engine data, check for issues, and monitor real-time performance metrics like fuel consumption and acceleration. Customize your dashboard to display only the information you care about.

**Highlights:** Read and clear diagnostic trouble codes (DTCs), Access live engine data, View freeze frame data, Monitor readiness test status, Read vehicle information (VIN, CALID, CVN), Perform O2 sensor and EVAP system tests, Customize real-time dashboards

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Works great
- 👍 Wonderful app
- 🚀 Excellent tool
- 👍 Good product
- 🚀 Awesome free app

**What reviewers complain about**

- 🐛 Doesn't work
- 🐛 Crashes frequently
- 🐛 Connection issues
- 🐛 Unreliable
- 🐛 Useless

**Reported bugs**

- Crashes when checking DTCs
- Fails to connect to Bluetooth/WiFi adapters
- Incorrect sensor readings
- Compatibility issues with newer vehicles

**Requested features**

- Update for newer iOS versions
- More frequent updates
- Support for more vehicle makes/models
- Customizable dashboards
- Live data for more sensors


### 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 iOBD2 free?

iOBD2 is free to download, with no in-app purchases.

### Is Steer free?

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

### Do iOBD2 or Steer have ads?

Neither iOBD2 nor Steer shows ads.

### Which is updated more often, iOBD2 or Steer?

iOBD2 ships an update every 5 weeks, and Steer every 2 months. Most recently, iOBD2 was updated on October 20, 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.*