OBD Mate vs DND
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OBD Mate
Diagnose vehicle faults and receive driving assistance using your smartphone or tablet. Connect via Bluetooth to read and clear error codes, monitor sensor data, and view custom dashboards for a better driving experience.
- Fault diagnosis
- Driving assistance
- Read and clear codes
- Freeze frame data
- O2 sensor monitoring
- Customizable dashboard
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The OBD assistant is a driving companion that can communicate with the vehicle terminal through Bluetooth using smartphones and tablets to complete functions such as fault diagnosis and driving assistance. It not only has rich and comprehensive vehicle detection and diagnosis functions such as fault code reading and clearing, freeze frames, battery voltage, gearbox, and performance testing, but also has a cool instrument panel and driving assistance functions, making driving more fun.
DND
This tool helps you understand your vehicle's health and diagnose issues. It provides comprehensive diagnostic services, maintenance guidance, and real-time sensor data monitoring, making car care accessible even for beginners.
- OBD functionality
- Enhanced diagnosis
- Vehicle maintenance guidance
- Locate malfunction causes
- AI services
- Abnormal warnings
- Real-time sensor data monitoring
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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.
Screenshots
Verdict
The clearest difference is review sentiment: DND at 100% against OBD Mate's 9%. DND also leads on rating (5.0 vs 1.8) and update cadence (every 8 days vs every 5 weeks). OBD Mate's advantage is ratings volume (115 vs 1) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
DND holds the better App Store score, 5.0 against 1.8. That said, the two scores are not equally well evidenced: OBD Mate has 115 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 9% of OBD Mate's written reviews are positive against 100% of DND's.
OBD Mate ships an update every 5 weeks, DND every 8 days. The most recent releases landed on September 24, 2026 and September 17, 2026 respectively.
| Parameter | OBD Mate | DND |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (115 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 9.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 115 — better | 1 |
| Update frequency | Every 5 weeks | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 365 MB | 339 MB |
| Age rating | 4+ | 4+ |
| Developer | Autophix Tech Co., Ltd | MATL TECH INC. |
Customer experience
OBD Mate
DND
In-app purchases
OBD Mate
No in-app purchases
DND
No in-app purchases









