SRF Diagnosis vs DND
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SRF Diagnosis
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The SRF (Safety RFID) is a non-contact safety sensor, that monitors moveable safety guards, such as doors, flaps and hoods. The system provides a multitude of diagnostic data of each sensor, even in a series connection, to support smart production. With this app, the diagnostic data could be displayed via NFC technology on a smartphone comfortable, quickly and easily.
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 update cadence: DND at every 8 days against SRF Diagnosis's every 3 months. SRF Diagnosis's advantage is iOS requirement (14.0 vs 16.6). On price, ads, in-app purchases and device support 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.
SRF Diagnosis ships an update every 3 months, DND every 8 days. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.
| Parameter | SRF Diagnosis | DND |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 1 MB | 339 MB |
| Age rating | 4+ | 4+ |
| Developer | BERNSTEIN AG | MATL TECH INC. |
In-app purchases
SRF Diagnosis
No in-app purchases
DND
No in-app purchases
