# ELMCheck vs ECUconnect

The clearest difference is in-app purchases: ECUconnect at none against ELMCheck's 1. ELMCheck's advantage is update cadence (every 10 days vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ELMCheck sells 1 one-off in-app purchase. ECUconnect asks for nothing beyond the download.

ELMCheck ships an update every 10 days, ECUconnect every 5 months. The most recent releases landed on September 16, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ELMCheck | ECUconnect |
| --- | --- | --- |
| Price | Free | Free |
| 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 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 13 MB |
| Requires iOS | **18** | 18.2 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fearless design, LLC](https://appshunter.io/developer/321056993) | [TPE Europe GmbH](https://appshunter.io/developer/1561470951) |

## 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 |


### ECUconnect

[App page](https://appshunter.io/ios/app/ecuconnect/id6502191237)

**In-app purchases:** none


## Frequently asked questions

### Is ELMCheck free?

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

### Is ECUconnect free?

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

### Do ELMCheck or ECUconnect have ads?

Neither ELMCheck nor ECUconnect shows ads.

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

ELMCheck ships an update every 10 days, and ECUconnect every 5 months. Most recently, ELMCheck was updated on September 16, 2026 and ECUconnect on September 17, 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.*