# ELMCheck vs ProMaster Dash

The clearest difference is price: ELMCheck at Free against ProMaster Dash's $24.99. ELMCheck also leads on update cadence (every 10 days vs every 3 weeks). ProMaster Dash's advantage is in-app purchases (none vs 1) and iOS requirement (15.1 vs 18). On ads and device support there is nothing between them.

ELMCheck is free to download; ProMaster Dash costs $24.99 up front. ELMCheck sells 1 one-off in-app purchase. ProMaster Dash asks for nothing beyond the download.

ELMCheck ships an update every 10 days, ProMaster Dash every 3 weeks. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ELMCheck | ProMaster Dash |
| --- | --- | --- |
| Price | **Free** | $24.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/elmcheck/id6479630442/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 42 MB |
| Requires iOS | 18 | **15.1** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fearless design, LLC](https://appshunter.io/developer/321056993) | [Marc Emmons](https://appshunter.io/developer/1815765143) |

## What reviewers say

### 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 |


### ProMaster Dash

[App page](https://appshunter.io/ios/app/promaster-dash/id6784349453)

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

**In-app purchases:** none


## Frequently asked questions

### Is ELMCheck free?

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

### Is ProMaster Dash free?

ProMaster Dash costs $24.99, with no in-app purchases.

### Do ELMCheck or ProMaster Dash have ads?

Neither ELMCheck nor ProMaster Dash shows ads.

### Which is updated more often, ELMCheck or ProMaster Dash?

ELMCheck ships an update every 10 days, and ProMaster Dash every 3 weeks. Most recently, ELMCheck was updated on October 3, 2026 and ProMaster Dash on October 14, 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.*