# NexzScan vs MY汽车卫士

The clearest difference is iOS requirement: MY汽车卫士 at 9.0 against NexzScan's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | NexzScan | MY汽车卫士 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (27 ratings)](https://appshunter.io/ios/app/nexzscan/id1450589621/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 7.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 142 MB | 76 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [美泉 黄](https://appshunter.io/developer/1465544231) | [建玲 张](https://appshunter.io/developer/1455717731) |

## 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


### MY汽车卫士

[App page](https://appshunter.io/ios/app/my/id1455717732)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NexzScan free?

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

### Is MY汽车卫士 free?

MY汽车卫士 is free to download, with no in-app purchases.

### Do NexzScan or MY汽车卫士 have ads?

Neither NexzScan nor MY汽车卫士 shows ads.

### Which is updated more often, NexzScan or MY汽车卫士?

NexzScan ships an update every 3 weeks, and MY汽车卫士 every 3 weeks. Most recently, NexzScan was updated on October 25, 2026 and MY汽车卫士 on October 26, 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.*