# NexzScan vs M100

The clearest difference is rating: M100 at 3.3 against NexzScan's 2.1. M100 also leads on iOS requirement (10.0 vs 15.6). NexzScan's advantage is ratings volume (27 vs 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.

M100 holds the better App Store score, 3.3 against 2.1. Both are backed by a comparable volume of ratings — 27 and 6 respectively.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NexzScan | M100 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (27 ratings)](https://appshunter.io/ios/app/nexzscan/id1450589621/reviews) | **[3.3 (6 ratings)](https://appshunter.io/ios/app/m100/id1619029812/reviews)** |
| Number of ratings | **27** | 6 |
| Positive reviews | 7.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 142 MB | 97 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [美泉 黄](https://appshunter.io/developer/1465544231) | [Shenzhen Chaoyue Technology Development Co.,Ltd](https://appshunter.io/developer/1223781320) |

## 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


### M100

[App page](https://appshunter.io/ios/app/m100/id1619029812)

This application connects to your vehicle via Bluetooth to provide diagnostic and monitoring functions. It allows you to read and clear fault codes, analyze driving performance, and view instrument panel data. Supports multiple languages and operates on low power.

**Highlights:** Fault code reading and clearing, Instrument panel display, Performance testing, Driving analysis, Bluetooth 4.0 adapter support, Multi-language support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NexzScan free?

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

### Is M100 free?

M100 is free to download, with no in-app purchases.

### Which has better reviews, NexzScan or M100?

M100 is rated higher. NexzScan averages 2.1 out of 5 from 27 ratings, while M100 averages 3.3 from 6 ratings.

### Do NexzScan or M100 have ads?

Neither NexzScan nor M100 shows ads.

### Which is updated more often, NexzScan or M100?

NexzScan ships an update every 3 weeks, and M100 every 3 weeks. Most recently, NexzScan was updated on October 25, 2026 and M100 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.*