# N9

> Infrared vehicle detection alarm with customizable sound and volume. (iPhone/iPad app by 传林 方.)

- Source: https://appshunter.io/ios/app/n9/id1337449449 (this page in markdown: same URL + `.md`)
- Developer: [传林 方](https://appshunter.io/developer/699727053)
- Category: Utilities, Lifestyle
- Price: Free
- Rating: 2.30/5 from 3 App Store ratings · 3 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 83 MB
- Languages: American English, French (France), German (Germany), Italian, Japanese, Korean, European Portuguese, Russian, Chinese (Simplified, China), European Spanish and 2 more
- Released: 2018-02-01
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/n9/id1337449449/reviews.md

## What is N9?

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

## Key features

- Infrared vehicle detection
- Adjustable alarm volume
- 16 alarm sound options
- Supports 12 infrared sensors
- Six detection zones

## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/n9/id1337449449/reviews.md

### 3/5 — Love device too

*2020-05-05*

But not getting push notifications anymore or activity tab is blank since IOS update. Please update app to fix this.

### 3/5 — Keeps losing contact

*2020-02-28*

I really love this device when it works properly. It is currently having an issue with my iphone 11. It’s installed in the phone, and I can control some of it with the app. But I am
No longer getting notifications when the alarms are triggered. Please make an update for this app.

### 1/5 — Will not sync with my WiFi. No help anywhere. May return alarm.

*2018-08-18*

Have been trying for days to get this alarm to work. This app will not sync to my WiFi and there is no help availed.  Will have to return alarm system. It is useless without this app functioning

## Frequently asked questions about N9

### What is N9?

N9 is a utility app that functions as a lane alarm system. It uses infrared detectors to sense vehicle entry or exit and alerts the user through the app.

### How many alarm sounds does N9 offer?

N9 provides users with a selection of 16 different alarm sounds to choose from, allowing for customization of alerts.

### Can I adjust the alarm volume on N9?

Yes, the app allows users to adjust the volume of the alarm directly through the N9 interface.

### What is the maximum number of infrared sensors N9 supports?

N9 can be configured to work with up to 12 infrared sensors, covering six distinct areas for detection.

### What devices is N9 compatible with?

N9 is available for iPhone and iPod devices.

### Is N9 free to download?

Yes, N9 is available for free download.

### When was N9 last updated?

The latest version of N9 was released on May 28, 2018.

### What is the age rating for N9?

N9 has an age rating of 4+, making it suitable for younger users.

## Version history (last 5 releases)

### 1.4 — 2018-05-28

This app has been updated by Apple to display the Apple Watch app icon.

The daily maintenance

### 1.3 — 2018-05-05

Interface optimization

### 1.2 — 2018-04-23

Part of the page was optimized

### 1.1 — 2018-04-04

Fix some bugs

### 1.0 — 2018-02-01

No release notes.

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## More apps by 传林 方

- [GSM Smart Alarm System](https://appshunter.io/ios/app/gsm-smart-alarm-system/id896688363)
- [G19 Alarm System](https://appshunter.io/ios/app/g19-alarm-system/id958094154)
- [G18 Alarm System](https://appshunter.io/ios/app/g18-alarm-system/id1001001852)
- [S72](https://appshunter.io/ios/app/s72/id1016149071)
- [W2](https://appshunter.io/ios/app/w2/id1039606779)
- [W1 Alarm System](https://appshunter.io/ios/app/w1-alarm-system/id1041646478)

All apps by 传林 方: https://appshunter.io/developer/699727053

## Related topics

[09gsm](https://appshunter.io/ios/topics/09gsm)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*