# Traffic Lights Noise Detector vs Noise Timer

The clearest difference is update cadence: Traffic Lights Noise Detector at every 4 months against Noise Timer's every 16 months. Traffic Lights Noise Detector also leads on price ($3.99 vs $6.99) and iOS requirement (8.0 vs 13.1). On ads, in-app purchases and device support there is nothing between them.

Traffic Lights Noise Detector costs $3.99 and Noise Timer $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Traffic Lights Noise Detector ships an update every 4 months, Noise Timer every 16 months. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Traffic Lights Noise Detector | Noise Timer |
| --- | --- | --- |
| Price | **$3.99** | $6.99 |
| Rating | **[3.5 (4 ratings)](https://appshunter.io/ios/app/traffic-lights-noise-detector/id673146731/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 60.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 16 months |
| Monetization | Paid | — |
| Size | 17 MB | 1 MB |
| Requires iOS | **8.0** | 13.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Merlin Handelsgesellschaft mbH](https://appshunter.io/developer/673146734) | [Werner Krause](https://appshunter.io/developer/1180618127) |

## What reviewers say

### Traffic Lights Noise Detector

[App page](https://appshunter.io/ios/app/traffic-lights-noise-detector/id673146731)

This educational tool aids in teaching situations, particularly for young children, by simulating traffic light scenarios. It's designed for use in kindergartens and playschools to help illustrate concepts through interactive light changes.

**Highlights:** Traffic light simulation, Educational tool for children, Kindergarten and playschool use, Teaching aid

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Noise Timer

[App page](https://appshunter.io/ios/app/noise-timer/id1503516276)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Traffic Lights Noise Detector free?

Traffic Lights Noise Detector costs $3.99, with no in-app purchases.

### Is Noise Timer free?

Noise Timer costs $6.99, with no in-app purchases.

### Do Traffic Lights Noise Detector or Noise Timer have ads?

Neither Traffic Lights Noise Detector nor Noise Timer shows ads.

### Which is updated more often, Traffic Lights Noise Detector or Noise Timer?

Traffic Lights Noise Detector ships an update every 4 months, and Noise Timer every 16 months. Most recently, Traffic Lights Noise Detector was updated on October 23, 2026 and Noise Timer on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*