SRF Diagnosis vs D
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.
D
Configure your performance vehicle's sequential shift light wirelessly. This app allows for device setup, firmware updates, and seamless pairing. A compatible shift light device is necessary for operation.
- Wireless pairing
- Device configuration
- Firmware updates
- Official app for D-Shift
- Performance vehicle integration
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Official configuration app for D-Shift, The Ultimate Sequential Shift Light for your performance vehicle. This app will help you with wireless pairing, device configuration, and firmware updates. A D-Shift shift light from Dauntless Devices LLC is required to use this app. Other devices are not supported.
Screenshots
Verdict
The clearest difference is update cadence: D at monthly against SRF Diagnosis's every 3 months. 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, D monthly. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.
| Parameter | SRF Diagnosis | D |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (5 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 3 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 1 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | BERNSTEIN AG | Dauntless Devices LLC |
In-app purchases
SRF Diagnosis
No in-app purchases
D
No in-app purchases
