OCCDEC Occasion Detection vs FourScan
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
OCCDEC Occasion Detection
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OCCDEC Occasion Detection turns your device into an AI-powered audio detection and recording station. Detect critical sounds like glass breaking, gunshots, screams, sirens, dog barks, and more in real time. Features: - Real-time AI-powered audio event detection - Record and classify audio events automatically - Connect to OCCDEC Security Guard for instant alerts - Built with advanced machine learning models - Supports 15+ sound event categories We strive to make your environment safer and alerts faster with the best AI in the world.
FourScan
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Protect your privacy with 4 scanning technologies. Worried about hidden cameras or listening devices in hotels, Airbnbs, or rental spaces? FourScan runs 4 detection scans sequentially with a single tap. [4 Detection Powers] 1. Magnetic Scan - Detects magnetic field anomalies from electronic devices 2. Infrared Scan - Uses front camera to detect IR LEDs from night vision cameras 3. Wi-Fi Scan - Discovers suspicious devices on the local network 4. Bluetooth Scan - Searches and analyzes nearby BLE devices Note: Basic checking tool, not a substitute for professional investigation.
Screenshots
Verdict
The clearest difference is update cadence: FourScan at every 5 days against OCCDEC Occasion Detection's every 2 weeks. OCCDEC Occasion Detection's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
OCCDEC Occasion Detection ships an update every 2 weeks, FourScan every 5 days. Both last shipped on October 29, 2026.
| Parameter | OCCDEC Occasion Detection | FourScan |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 5 days β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod β better | iPhone |
| Requires iOS | 15.1 β better | 16.0 |
| Further details β not scored | ||
| Size | 32 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | LineSpotting AB | satoshi amasaki |
In-app purchases
OCCDEC Occasion Detection
No in-app purchases
FourScan
No in-app purchases
Questions
Is OCCDEC Occasion Detection free?
Is FourScan free?
Do OCCDEC Occasion Detection or FourScan have ads?
Which is updated more often, OCCDEC Occasion Detection or FourScan?
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