# DND

> Professional vehicle diagnostic tool for OBD, maintenance, and real-time monitoring. (iPhone/iPad app by MATL TECH INC..)

- Source: https://appshunter.io/ios/app/dnd/id6451104638 (this page in markdown: same URL + `.md`)
- Developer: [MATL TECH INC.](https://appshunter.io/developer/1735263917)
- Category: Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.6 · 339 MB
- Languages: American English, German (Germany)
- Released: 2024-03-10
- Data updated: 2026-06-05
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/dnd/id6451104638/reviews.md

## What is DND?

DND is a professional vehicle diagnostic tool that provides comprehensive services such as OBD functionality, enhanced diagnosis, and vehicle maintenance, saving users time and money.

It allows you to easily check the health status of your vehicle without having to go to a repair shop, quickly locate the cause of vehicle malfunctions, and provide users with comprehensive application services such as AI services and abnormal warnings.

Get to know your vehicle better 
Become more knowledgeable about your vehicle and take good care of it. Gain greater confidence and peace of mind with Echo diagnostic tool and DND App in your pocket.

Diagnose and repair with DND
Discover why the Check Engine Light is on, provide maintenance guidance and reset the Diagnostic Trouble Codes. Save time and money by diagnosing the root cause without visiting a mechanic.

Easily used even for beginners
You can easily have professional repair and maintenance knowledge with intelligent by services, it can be easily used even for beginners.

Monitor real-time sensor data
Maintain the health of the your vehicle by monitoring the engine and various systems in real-time. Improve efficiency and prevent malfunctions.

## Key features

- OBD functionality
- Enhanced diagnosis
- Vehicle maintenance guidance
- Locate malfunction causes
- AI services
- Abnormal warnings
- Real-time sensor data monitoring

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/dnd/id6451104638/reviews.md

### 5/5 — Helpful App For A Decent Scanner

*2024-04-20*

This app pairs very well with the echo scanner. What really makes it stand out is the integrated Ai platform. Seems to be very helpful for finding what the codes really mean. Saves some time going over google. I usually search on both but it is very handy. Another great feature I like is the clean interface. Overall a solid 10/10 item for buying a used car…

## Frequently asked questions about DND

### What is DND?

DND is a professional vehicle diagnostic tool that offers OBD functionality, enhanced diagnosis, and vehicle maintenance services. It helps users understand their car's health and diagnose issues.

### Can DND help me understand why my Check Engine Light is on?

Yes, DND can help you discover why the Check Engine Light is on, provide maintenance guidance, and reset Diagnostic Trouble Codes. It aims to help you diagnose the root cause without visiting a mechanic.

### Is DND easy to use for beginners?

The app is designed to be easily used even for beginners, offering professional repair and maintenance knowledge through intelligent services. It aims to make car diagnostics accessible to everyone.

### Does DND monitor real-time vehicle data?

Yes, DND allows you to monitor real-time sensor data for your vehicle's engine and various systems. This helps in maintaining vehicle health, improving efficiency, and preventing malfunctions.

### What devices does DND support?

Currently, DND is supported on iPhone devices. The app was last updated on October 29, 2025, with version 1.5.5.

### What is the age rating for DND?

DND has an age rating of 4+, making it suitable for a wide range of users. The app was released on March 10, 2024.

### How often is DND updated?

The latest version of DND is 1.5.5, which was released on October 29, 2025. While specific update frequency isn't detailed, this indicates ongoing development and support.

### Does DND have ads?

No, DND does not contain advertisements. The app is free to download and use without any ad interruptions.

## Version history (last 5 releases)

### 1.5.5 — 2025-10-29

New Requirements:
1. Added device connection instructions
2. Added IM readiness status indicator
3. Added AI conversation assistant access diagnosis
Optimizations:
1. Comprehensively adjusted the core diagnostic process for smoother operation and faster response.
2. Optimized the visual design and interaction logic of the function center
3. Adjusted the interface style of the PDF file list
Bug Fixes:
1. Fixed some known issues

### 1.5.4 — 2025-09-01

fix bugs

### 1.5.3 — 2025-07-23

fix bugs

### 1.5.2 — 2025-05-14

- New Features:
1. Added German language
2. Fix known bugs

### 1.5.1 — 2025-01-20

1. Added a new fault light description function to the Personalized service module.
2. Optimized the PDF printing style for report sharing.
3. Fixed some known issues, adjusted the page style, and improved the overall user experience.

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## More apps by MATL TECH INC.

- [DND HD+](https://appshunter.io/ios/app/dnd-hd-plus/id6480089734)
- [Dollarfix](https://appshunter.io/ios/app/dollarfix/id6739483382)

All apps by MATL TECH INC.: https://appshunter.io/developer/1735263917

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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 2026-06-05.*