# NexzScan vs iCarScan

The clearest difference is rating: iCarScan at 3.8 against NexzScan's 2.1. iCarScan also leads on iOS requirement (9.0 vs 15.6). NexzScan's advantage is update cadence (every 3 weeks vs every 5 months). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iCarScan holds the better App Store score, 3.8 against 2.1. Both are backed by a comparable volume of ratings — 27 and 14 respectively. Written reviews complicate that: 7% of NexzScan's written reviews are positive against 0% of iCarScan's, so the app with the better star average is not the one people write more warmly about.

NexzScan ships an update every 3 weeks, iCarScan every 5 months. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | NexzScan | iCarScan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (27 ratings)](https://appshunter.io/ios/app/nexzscan/id1450589621/reviews) | **[3.8 (14 ratings)](https://appshunter.io/ios/app/icarscan/id1508699839/reviews)** |
| Number of ratings | **27** | 14 |
| Positive reviews | **7.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free | Free |
| Size | 142 MB | 324 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [美泉 黄](https://appshunter.io/developer/1465544231) | [THINKCAR INC](https://appshunter.io/developer/1464847379) |

## 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


### iCarScan

[App page](https://appshunter.io/ios/app/icarscan/id1508699839)

Access professional-level automotive diagnostic functions, including reading and clearing fault codes, viewing live data, and performing special tests. Supports a wide range of vehicle manufacturers with automatic VIN recognition and one-key diagnosis. Generates detailed diagnostic reports for informed maintenance.

**Highlights:** OE-level professional functions, Full OBD II diagnosis, Support for 39+ manufacturers, Automatic VIN reading, One-key diagnosis, Fault code interpretation, Diagnostic report generation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NexzScan free?

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

### Is iCarScan free?

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

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

iCarScan is rated higher. NexzScan averages 2.1 out of 5 from 27 ratings, while iCarScan averages 3.8 from 14 ratings.

### Do NexzScan or iCarScan have ads?

Neither NexzScan nor iCarScan shows ads.

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

NexzScan ships an update every 3 weeks, and iCarScan every 5 months. Most recently, NexzScan was updated on October 25, 2026 and iCarScan on October 21, 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.*