# Steer vs ELMCheck

The clearest difference is review sentiment: ELMCheck at 100% against Steer's 40%. ELMCheck also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (18.0 vs 26.1). On price, ads, in-app purchases 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 and ELMCheck sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

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

## The numbers

| Metric | Steer | ELMCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/elmcheck/id6479630442/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 26 MB | 14 MB |
| Requires iOS | 26.1 | **18.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Smarters Engineered](https://appshunter.io/developer/1821193944) | [Fearless design, LLC](https://appshunter.io/developer/321056993) |

## What reviewers say

### 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 |


### ELMCheck

[App page](https://appshunter.io/ios/app/elmcheck/id6479630442)

Verify the authenticity and functionality of your OBD-II scanner. This app runs comprehensive tests on ELM327 commands to report supported features, ensuring safe and reliable use with your vehicle.

**Highlights:** Authenticity testing for OBD-II scanners, Comprehensive ELM327 command test suite, Reports actual supported features, Ensures safe scanner usage, Basic tests are free, Unlock full suite with in-app purchase

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Comprehensive testing | $2.99 | one-time |


## Frequently asked questions

### Is Steer free?

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

### Is ELMCheck free?

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

### Do Steer or ELMCheck have ads?

Neither Steer nor ELMCheck shows ads.

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

Steer ships an update every 2 months, and ELMCheck every 2 weeks. Most recently, Steer was updated on October 20, 2026 and ELMCheck on October 24, 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.*