# NexzScan vs 星卡TD

The clearest difference is rating: 星卡TD at 5.0 against NexzScan's 2.1. 星卡TD also leads on iOS requirement (9.0 vs 15.6). NexzScan's advantage is ratings volume (27 vs 1). 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.

星卡TD holds the better App Store score, 5.0 against 2.1. That said, the two scores are not equally well evidenced: NexzScan has 27 ratings behind it against 1, so its average is the more settled of the two.

NexzScan ships an update every 3 weeks, 星卡TD every 5 weeks. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | NexzScan | 星卡TD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (27 ratings)](https://appshunter.io/ios/app/nexzscan/id1450589621/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/td/id1514554756/reviews)** |
| Number of ratings | **27** | 1 |
| Positive reviews | 7.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 142 MB | 260 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


### 星卡TD

[App page](https://appshunter.io/ios/app/td/id1514554756)

This innovative car diagnostic tool offers professional-level performance for mechanics and DIY enthusiasts. It supports over 100 car brands with 15 special reset functions, rivaling expensive professional tools. The device connects wirelessly to the app via Bluetooth for smart diagnostics.

**Highlights:** Professional-level car diagnostics, Supports 100+ car brands, 15 special reset functions, Bluetooth connectivity, Smart diagnostic device, Suitable for repair shops and DIYers

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NexzScan free?

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

### Is 星卡TD free?

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

### Which has better reviews, NexzScan or 星卡TD?

星卡TD is rated higher. NexzScan averages 2.1 out of 5 from 27 ratings, while 星卡TD averages 5.0 from 1 ratings.

### Do NexzScan or 星卡TD have ads?

Neither NexzScan nor 星卡TD shows ads.

### Which is updated more often, NexzScan or 星卡TD?

NexzScan ships an update every 3 weeks, and 星卡TD every 5 weeks. Most recently, NexzScan was updated on October 25, 2026 and 星卡TD on October 29, 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.*