Optical Surface Recognition vs iKeyProximityFingerprint
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Optical Surface Recognition
This utility app uses computer vision to scan surfaces for signs of corrosion on various metal types. It allows users to capture photos and record videos of detected corrosion, saving them with a proprietary score.
- Detects corrosion on various metal surfaces
- Scans flat metal, nails, bolts, signs, poles, grates
- Captures photos with corrosion score
- Records videos with corrosion score
- Saves media to device photo roll
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Optical Surface Recognition (OSR) is a unique technology which can scan surfaces for signs of surface degradation (corrosion). It can also detect corrosion on almost any type of metal, including exposed flat metal, nails, bolts, signs, poles, and grates. PHOTOS Capture photos of corrosion and save to your device's photo roll along with the OSR corrosion score in a custom generated image. VIDEOS Record entire videos with the proprietary OSR corrosion score and save them to your photo roll.
iKeyProximityFingerprint
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1. Only can start the car if the Face ID or fingerprint or passcode checking on Smartphone is correct : Scan the learned person face or swipe the correct fingerprint (or enter the correct passcode in the APP) on the paired Smartphone to disarm the starter disable wireless relay before start the engine. 2. Proximity disarm immobilizer available: When “proximity immobilizer” function is set to ON, carry the paired Smartphone proximity the car within the range will automatically disarm the immobilizer without opening the App and enable car start. 3. Just simply change the starter or fuel pump relay by wireless relay, no wire cut, no wire to truce, simply but higher security. 4. Different footpin data encrypted wireless relay available for different brand of car. 5. Automatically arms the wireless relay 1minutes after ignition is turned Off. 6. Can pair 5 Smartphones. 7. Pair new Smartphone and delete lost Smartphone available. 8. Valet mode available for car maintain or valet parking. 9. Option car sharing function available for special projects. 10. OE custom design projects are welcome.
Screenshots
Verdict
The clearest difference is update cadence: Optical Surface Recognition at every 2 weeks against iKeyProximityFingerprint's every 11 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.
Optical Surface Recognition ships an update every 2 weeks, iKeyProximityFingerprint every 11 months. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.
| Parameter | Optical Surface Recognition | iKeyProximityFingerprint |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 17 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Engineering Director, Inc. | iKey CORP |
In-app purchases
Optical Surface Recognition
No in-app purchases
iKeyProximityFingerprint
No in-app purchases
Questions
Is Optical Surface Recognition free?
Is iKeyProximityFingerprint free?
Do Optical Surface Recognition or iKeyProximityFingerprint have ads?
Which is updated more often, Optical Surface Recognition or iKeyProximityFingerprint?
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