# Dr.OBD vs NexzScan

The clearest difference is update cadence: NexzScan at every 3 weeks against Dr.OBD's every 2 months. Dr.OBD's advantage is iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Dr.OBD ships an update every 2 months, NexzScan every 3 weeks. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Dr.OBD | NexzScan |
| --- | --- | --- |
| 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 2 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 3 MB | 141 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Leagend Optoelectronics Co., Ltd.](https://appshunter.io/developer/6798210621) | [美泉 黄](https://appshunter.io/developer/1465544231) |

## What reviewers say

### Dr.OBD

[App page](https://appshunter.io/ios/app/drobd/id1225894625)

**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 Dr.OBD free?

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

### Is NexzScan free?

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

### Do Dr.OBD or NexzScan have ads?

Neither Dr.OBD nor NexzScan shows ads.

### Which is updated more often, Dr.OBD or NexzScan?

Dr.OBD ships an update every 2 months, and NexzScan every 3 weeks. Most recently, Dr.OBD was updated on September 22, 2026 and NexzScan on September 19, 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.*