# NexzScan vs ELMCheck

The clearest difference is review sentiment: ELMCheck at 100% against NexzScan's 7%. ELMCheck also leads on rating (5.0 vs 2.1). NexzScan's advantage is in-app purchases (none vs 1) and ratings volume (27 vs 1). On price, update cadence, ads and device support there is nothing between them.

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

ELMCheck holds the better App Store score, 5.0 against 2.1. That said, the two scores are not equally well evidenced: NexzScan has 27 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 7% of NexzScan's written reviews are positive against 100% of ELMCheck's.

NexzScan ships an update every 3 weeks, ELMCheck every 2 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NexzScan | ELMCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (27 ratings)](https://appshunter.io/ios/app/nexzscan/id1450589621/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/elmcheck/id6479630442/reviews)** |
| Number of ratings | **27** | 1 |
| Positive reviews | 7.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 142 MB | 14 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [美泉 黄](https://appshunter.io/developer/1465544231) | [Fearless design, LLC](https://appshunter.io/developer/321056993) |

## What reviewers say

### NexzScan

[App page](https://appshunter.io/ios/app/nexzscan/id1450589621)

This tool helps diagnose car engine issues by connecting to your vehicle's OBD port. It provides detailed reports on error codes, their causes, and live data, making car repair more efficient and accessible. The app offers a user-friendly interface and comprehensive vehicle support.

**Highlights:** Read and clear engine codes, Detailed diagnosis reports, Customized live data display, Powerful DTC definition database, One-key app updates, Bluetooth 4.2 connection

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 NexzScan free?

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

### Is ELMCheck free?

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

### Which has better reviews, NexzScan or ELMCheck?

ELMCheck is rated higher. NexzScan averages 2.1 out of 5 from 27 ratings, while ELMCheck averages 5.0 from 1 ratings.

### Do NexzScan or ELMCheck have ads?

Neither NexzScan nor ELMCheck shows ads.

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

NexzScan ships an update every 3 weeks, and ELMCheck every 2 weeks. Most recently, NexzScan was updated on October 25, 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.*