# OBD2 Trouble Code vs NexzScan

The clearest difference is rating: OBD2 Trouble Code at 3.3 against NexzScan's 2.1. OBD2 Trouble Code also leads on review sentiment (37% vs 7%) and ratings volume (306 vs 27). On price, ads, in-app purchases and monetization model there is nothing between them.

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

OBD2 Trouble Code holds the better App Store score, 3.3 against 2.1. That said, the two scores are not equally well evidenced: OBD2 Trouble Code has 306 ratings behind it against 27, so its average is the more settled of the two. Written reviews point the same way: 37% of OBD2 Trouble Code's written reviews are positive against 7% of NexzScan's.

## The numbers

| Metric | OBD2 Trouble Code | NexzScan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (306 ratings)](https://appshunter.io/ios/app/obd2-trouble-code/id1315353058/reviews)** | [2.1 (27 ratings)](https://appshunter.io/ios/app/nexzscan/id1450589621/reviews) |
| Number of ratings | **306** | 27 |
| Positive reviews | **37.0% of reviews** | 7.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | Free | Free |
| Size | 24 MB | 141 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hassan Benessafi](https://appshunter.io/developer/1463795701) | [美泉 黄](https://appshunter.io/developer/1465544231) |

## What reviewers say

### OBD2 Trouble Code

[App page](https://appshunter.io/ios/app/obd2-trouble-code/id1315353058)

Instantly look up your car's check engine codes on the go. Access a vast database of OBD2 codes with descriptions and potential causes for all major manufacturers. Save your search history for quick reference.

**Highlights:** OBD2 code lookup, Check engine code descriptions, Possible cause identification, All major manufacturers supported, Search history, Save results

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

**In-app purchases:** none

**What reviewers like**

- 📚 Comprehensive OBD code database
- 👍 Easy to navigate interface
- 💡 Helpful for understanding car diagnostic codes
- ⚡ Useful for mechanical troubleshooting

**What reviewers complain about**

- 😤 Forced review requirement before app usage
- 📺 Excessive ads throughout the app
- 🔋 High battery consumption
- 🚫 App won't function without review completion
- ⚠️ Misleading review-gating mechanism

**Reported bugs**

- App crashes or won't open without review
- Ads prevent normal app usage
- More info button doesn't expand for some codes
- Incompatibility with certain vehicle models
- Mislabeled codes (P0450-P0459)

**Requested features**

- More detailed code explanations
- Offline functionality
- Better navigation for new users
- Support for codes without letter prefixes
- Expanded information sections for specific codes


### 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 OBD2 Trouble Code free?

OBD2 Trouble Code 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, OBD2 Trouble Code or NexzScan?

OBD2 Trouble Code is rated higher. OBD2 Trouble Code averages 3.3 out of 5 from 306 ratings, while NexzScan averages 2.1 from 27 ratings.

### Do OBD2 Trouble Code or NexzScan have ads?

Neither OBD2 Trouble Code nor NexzScan shows ads.

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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.*