# NexzScan

> Portable OBD2 scanner app for professional car diagnostics and repair assistance. (iPhone/iPad app by 美泉 黄.)

- Source: https://appshunter.io/ios/app/nexzscan/id1450589621 (this page in markdown: same URL + `.md`)
- Developer: [美泉 黄](https://appshunter.io/developer/1465544231)
- Category: Utilities
- Price: Free
- Rating: 2.10/5 from 27 App Store ratings · 14 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.6 · 141 MB
- Languages: American English, French (France), German (Germany), Italian, Japanese, Korean, Polish, Brazilian Portuguese, Russian, Chinese (Simplified, China) and 2 more
- Released: 2019-01-31
- Data updated: 2026-06-03
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/nexzscan/id1450589621/reviews.md

## What is NexzScan?

NexzScan OBD2 Scanner is a high cost-effective, portable and professional tool which supports almost all gasoline cars after 2000 till now, making car repair easier. It is designed with VCI+ FREE App with powerful database and detailed diagnosis report, offering you not only the code definition, but a list of possible causes, greatly increases the repair efficiency.  It is easy to operate, just plug the sensor to the OBD port and pair it with your phone through Bluetooth 4.2. From then on, do no need to worry about the Check Engine Light on anymore.
Highlight:
- High Cost-effective Device: Compared with the handheld tools and other scanners, NexzScan is designed with the character of higher cost-effective, more customized and user-friendly, saving you both time and money.
- Enhanced OBD Diagnosis: Fully covers OBD diagnosis Modes, not only includes read & clear codes, freeze frame, but O2 sensor, Smog Check, Battery Test, MIL Status, etc. all available. 
- Detailed Diagnosis Report: For each DTC, the code definition as well as possible causes are listed clearly by simple and easy-to-understand explanation instead of confusing terms. 
- Powerful Database: Exclusively provides nearly 40K kinds DTC definition & vehicle information query, leading the industry. 
- Customized Live Data: Diversified live data display method: digital, dashboard and graph display. Meanwhile, you can merge multi-parameters in one graph and see how they affect each other.
- Data Mange: Provides the platform to review the stored data in time, both images and videos.
- One-Key Update in App: No PC, no USB, no SD card are needed. Click the upgrade information and update it into the latest version within the App in time. 
Features:
-Bluetooth 4.2 fast and stable connection.
-Support all standard OBD2 protocols: SAE_J1850(PWM,VPW), ISO_9141-2, ISO_14230-4(KWP, KWP-FAST), ISO_15765-4(CAN, CAN-B,CAN-C,CAN-D), SAE_J1939(CAN), USER1,USER2.
-Wide vehicle coverage: Works on any gasoline car (Japan, Canada, US, EU, etc.)with standard OBD2 DLC，including 57 brands.
-Codes reading: retrieves confirmed codes, pending codes and current codes.
-Supports multi ECU code reading: from 7E8 to 7EF（including Engine, Transmission and other control modules）. 
-Enhanced DTC analysis: code definition, code description, code symptoms, code causes listed clearly .
-Clear and visualized UI: provides you with easy-to-operate guide, no confusing terms. 
Function:
-Read and Clear Codes: Read and clear engine codes. 
-Freeze Frame: A snapshot of the vehicle when the code is stored.
-Live Data: DIY diversified PID display methods and multi-parameters comparison.
-O2 Sensor: Check the vehicle O2 sensor values.
-Smog Check: Check if the vehicle is ready for a smog or emissions test.
-MIL Status: Diagnose the car when the Malfunction Indicator Lamp is on.
-Mode 6: Advanced test results (like misfire counts) for on-board diagnostic system monitors.
-Battery Test: Show battery voltage and comment battery status.

## Key features

- Read and clear engine codes
- Detailed diagnosis reports
- Customized live data display
- Powerful DTC definition database
- One-key app updates
- Bluetooth 4.2 connection

## Recent user reviews (10 of 14)

All indexed reviews: https://appshunter.io/ios/app/nexzscan/id1450589621/reviews.md

### 1/5 — Enhanced OBDII

*2025-10-15, version 13.2.0*

Bought another jdiag obd scanner an it was orange meaning it was an enhanced version of the original which I have and works flawlessly. I downloaded the new app that supposed to work this device and it don’t. So very disappointed

### 1/5 — Does not connect

*2025-03-07, version 13.1.4*

Audew Bluetooth OBD2 shows up in the phones available Bluetooth connections, but the app shows it as disconnected.

### 1/5 — This app has a few bugs

*2024-10-08, version 13.1.4*

I can run the code reader, but that’s it. Everything else I run on the app, crashing the app and it closes out on me. Please fix this

### 1/5 — Garbage

*2023-06-26, version 13.1.4*

Non functioning piece of crap. This company should be ashamed of this app and product.

### 1/5 — Connection Issues

*2022-12-16*

The Bluetooth connection interface is not good. Unable use scanner at all but says it’s connected under settings. Disconnect from settings and try connect using app as per instructions and no change. Waste of time like most blue tooth products.

### 1/5 — App Doesn’t Work

*2022-10-24, version 13.1.0*

Other apps can view but not link to the M2, so I know it works. Can’t test somethings function if your own app doesn’t pair with the device. Fix this app!!!! If not, it’s wasted money.

### 1/5 — Don’t.

*2022-04-28, version 12.1.0*

Worked fine the first couple of times, now it doesn’t see the Bluetooth device to connect.  Garbage waste of money.

### 1/5 — Worked just fine

*2022-01-12, version 11.0.0*

It’s device work just fine before the update now it’s just garbage. Wish I could get my money back. DONT BUY!!!!!!!

### 1/5 — Worked great until they did a update

*2021-11-11, version 9.1.0*

Was working great before they did the update now it’s a paper weight

### 1/5 — App and device not working

*2021-10-13, version 8.1.0*

Can not connect to device. I paid for on Amazon. This all is the one the device QR code links to. Crap I want my money back

## Frequently asked questions about NexzScan

### What cars does NexzScan support?

NexzScan supports almost all gasoline cars manufactured after 2000. It works on any gasoline car with a standard OBD2 DLC, including 57 brands from Japan, Canada, the US, and the EU.

### How does NexzScan connect to my car?

NexzScan connects to your car's OBD port using a Bluetooth 4.2 enabled sensor. You then pair this sensor with your phone through the app for a fast and stable connection.

### What kind of diagnostic information does NexzScan provide?

NexzScan provides comprehensive OBD diagnosis, including reading and clearing codes, freeze frame data, O2 sensor checks, smog readiness, battery tests, and MIL status. It offers detailed reports with code definitions and possible causes.

### How often is NexzScan updated?

The app supports one-key updates directly within the app, meaning no PC, USB, or SD card is needed. The latest version available is 13.3.3, last updated on December 23, 2025.

### What are the main benefits of using NexzScan over other tools?

NexzScan is highlighted as a high cost-effective, portable, and professional tool. It offers a user-friendly interface, a powerful database with nearly 40K DTC definitions, and detailed, easy-to-understand diagnosis reports, saving users time and money.

### Can NexzScan read codes from multiple control modules?

Yes, NexzScan supports multi-ECU code reading, including from 7E8 to 7EF, which covers engine, transmission, and other control modules.

### Does NexzScan have ads?

Based on the provided data, NexzScan does not contain advertisements. It is a free application without any ad support.

### What is the user sentiment for NexzScan?

NexzScan has an average rating of 2.1 stars from 27 ratings, indicating a mixed to negative user sentiment. Users may be experiencing issues or finding the app does not meet their expectations.

## Version history (last 5 releases)

### 13.3.3 — 2025-12-23

Fix the grid line display issue on the homepage

### 13.3.2 — 2025-12-23

White screen issue on other screens during synchronous update

### 13.3.1 — 2025-12-18

Fix white screen issues on some devices

### 13.3.0 — 2025-12-17

Resolve Bluetooth connection issues
Resolve known issues

### 13.2.0 — 2025-03-25

- Fixing some known issues.

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| --- | --- | --- | --- |
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## More apps by 美泉 黄

- [NexzDAS](https://appshunter.io/ios/app/nexzdas/id1462867675)
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- [TRUCK SCAN](https://appshunter.io/ios/app/truck-scan/id6445812514)
- [EV-DAS](https://appshunter.io/ios/app/ev-das/id6504085940)
- [CYCLEAN MGM](https://appshunter.io/ios/app/cyclean-mgm/id6743739145)

All apps by 美泉 黄: https://appshunter.io/developer/1465544231

## Related topics

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-03.*