N9 vs OCCDEC Occasion Detection
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
N9
This utility app alerts you to vehicle presence using infrared detectors. Customize alarm volume and choose from 16 distinct sounds. It supports up to 12 infrared sensors across six zones.
- Infrared vehicle detection
- Adjustable alarm volume
- 16 alarm sound options
- Supports 12 infrared sensors
- Six detection zones
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N9 Lane alarm, can be induced by the infrared detectors to enter or leave to have a car, through the APP can adjust the volume of alarm, and provides users with 16 different alarm sound, there are six areas, add 12 infrared sensor can learn
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.
Screenshots
Verdict
The clearest difference is iOS requirement: N9 at 8.0 against OCCDEC Occasion Detection's 15.1. On price, update cadence, ads and in-app purchases 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.
N9 ships an update every 3 weeks, OCCDEC Occasion Detection every 2 weeks. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.
| Parameter | N9 | OCCDEC Occasion Detection |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 83 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | 传林 方 | LineSpotting AB |
In-app purchases
N9
No in-app purchases
OCCDEC Occasion Detection
No in-app purchases
Questions
Is N9 free?
Is OCCDEC Occasion Detection free?
Do N9 or OCCDEC Occasion Detection have ads?
Which is updated more often, N9 or OCCDEC Occasion Detection?
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