SRF Diagnosis vs Owners ID
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.
Owners ID
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Every year, millions of personal items are lost— keys, luggage, pets, wallets, and more. Most are never returned. Not because people don’t care. But because they don’t know how to reach you. What is Return.Bio? Return.Bio is a smart, privacy-first platform that helps your lost items find their way back to you. By attaching a simple QR tag to your belongings, anyone who finds them can contact you instantly—without ever seeing your phone number. How It Works Register your item in the app Attach your QR tag (car, luggage, keys, passport etc.) If someone finds it -> they scan the QR They can call or message you instantly No app required for the finder. No friction. No confusion Why Return.Bio? - Stay reachable without sharing personal details - No apps required for the finder - Works globally - Instant connection via QR scan - Designed for real-world recovery situations Use It For - Cars - Luggage & travel bags - Keys & wallets - Pets - Everyday essentials Privacy First Your personal information stays protected.Only you decide how people can reach you. Peace of Mind, Everyday Because the things you carry should always find their way back to you. Return.Bio Stay reachable. Stay private. Always be found.
Screenshots
Verdict
The clearest difference is update cadence: Owners ID at fortnightly 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, Owners ID fortnightly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | SRF Diagnosis | Owners ID |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 1 MB | 46 MB |
| Age rating | 4+ | 12+ |
| Developer | BERNSTEIN AG | Owners ID Private Limited |
In-app purchases
SRF Diagnosis
No in-app purchases
Owners ID
No in-app purchases









