# EZdiag vs NexzScan

The clearest difference is rating: NexzScan at 2.1 against EZdiag's 1.6. NexzScan also leads on monetization model (free vs free with in-app purchases). EZdiag's advantage is iOS requirement (8.0 vs 15.6). On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

NexzScan holds the better App Store score, 2.1 against 1.6. Both are backed by a comparable volume of ratings — 42 and 27 respectively. Written reviews split almost evenly too, at 8% and 7% positive.

EZdiag ships an update monthly, NexzScan every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | EZdiag | NexzScan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (42 ratings)](https://appshunter.io/ios/app/ezdiag/id1038281404/reviews) | **[2.1 (27 ratings)](https://appshunter.io/ios/app/nexzscan/id1450589621/reviews)** |
| Number of ratings | **42** | 27 |
| Positive reviews | **8.1% of reviews** | 7.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 17 MB | 142 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Launch Tech Co., Ltd](https://appshunter.io/developer/447568418) | [美泉 黄](https://appshunter.io/developer/1465544231) |

## What reviewers say

### EZdiag

[App page](https://appshunter.io/ios/app/ezdiag/id1038281404)

This diagnostic tool connects to your smartphone to perform full-system vehicle diagnostics. It offers bi-directional capabilities for quick and easy troubleshooting, with optional manufacturer-specific software available for purchase.

**Highlights:** Smartphone-based OBDII diagnostics, Full-system diagnostics, Bi-directional capabilities, Manufacturer-specific software options, Portable and powerful device

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is EZdiag free?

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

### Is NexzScan free?

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

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

NexzScan is rated higher. EZdiag averages 1.6 out of 5 from 42 ratings, while NexzScan averages 2.1 from 27 ratings.

### Do EZdiag or NexzScan have ads?

Neither EZdiag nor NexzScan shows ads.

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

EZdiag ships an update monthly, and NexzScan every 3 weeks. Most recently, EZdiag was updated on October 24, 2026 and NexzScan 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.*