# OBD Plus vs NexzScan

The clearest difference is rating: OBD Plus at 3.3 against NexzScan's 2.1. OBD Plus also leads on review sentiment (22% vs 7%) and iOS requirement (8.0 vs 15.6). NexzScan's advantage is ratings volume (27 vs 4). 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.

OBD Plus holds the better App Store score, 3.3 against 2.1. That said, the two scores are not equally well evidenced: NexzScan has 27 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 22% of OBD Plus's written reviews are positive against 7% of NexzScan's.

OBD Plus ships an update every 4 weeks, NexzScan every 3 weeks. The most recent releases landed on September 21, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | OBD Plus | NexzScan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (4 ratings)](https://appshunter.io/ios/app/obd-plus/id1208901144/reviews)** | [2.1 (27 ratings)](https://appshunter.io/ios/app/nexzscan/id1450589621/reviews) |
| Number of ratings | 4 | **27** |
| Positive reviews | **21.9% of reviews** | 7.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 30 MB | 141 MB |
| Requires iOS | **8.0** | 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

### OBD Plus

[App page](https://appshunter.io/ios/app/obd-plus/id1208901144)

Monitor your vehicle's engine, emissions, and other critical systems. This app aids in diagnosing car issues and provides insights into various components for better car maintenance.

**Highlights:** Vehicle condition monitoring, Car diagnostics, Engine system monitoring, Emission control system analysis, Oxygen sensor monitoring, Fuel system analysis

**Features:** macOS Compatibility

**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 OBD Plus free?

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

### Is NexzScan free?

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

### Which has better reviews, OBD Plus or NexzScan?

OBD Plus is rated higher. OBD Plus averages 3.3 out of 5 from 4 ratings, while NexzScan averages 2.1 from 27 ratings.

### Do OBD Plus or NexzScan have ads?

Neither OBD Plus nor NexzScan shows ads.

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

OBD Plus ships an update every 4 weeks, and NexzScan every 3 weeks. Most recently, OBD Plus was updated on September 21, 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.*