# NexzScan vs OBD Smart

The clearest difference is update cadence: OBD Smart at daily against NexzScan's every 3 weeks. NexzScan's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 18.2). On price, 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.

NexzScan ships an update every 3 weeks, OBD Smart daily. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | NexzScan | OBD Smart |
| --- | --- | --- |
| 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 | **Daily** |
| Monetization | Free | — |
| Size | 142 MB | 9 MB |
| Requires iOS | **15.6** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [美泉 黄](https://appshunter.io/developer/1465544231) | [鹏飞 李](https://appshunter.io/developer/1797242444) |

## 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


### OBD Smart

[App page](https://appshunter.io/ios/app/obd-smart/id6754952678)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NexzScan free?

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

### Is OBD Smart free?

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

### Do NexzScan or OBD Smart have ads?

Neither NexzScan nor OBD Smart shows ads.

### Which is updated more often, NexzScan or OBD Smart?

NexzScan ships an update every 3 weeks, and OBD Smart daily. Most recently, NexzScan was updated on October 25, 2026 and OBD Smart on October 7, 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.*