# Noise Score 2 vs SmartQA

The clearest difference is device support: Noise Score 2 at 2 against SmartQA's —. Noise Score 2 also leads on iOS requirement (11.0 vs 16.0). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Noise Score 2 | SmartQA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (4 ratings)](https://appshunter.io/ios/app/noise-score-2/id1615053451/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Monetization | Free | — |
| Size | 29 MB | 16 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Boston University](https://appshunter.io/developer/365198772) | [JENG LUNG LIEW](https://appshunter.io/developer/1706956584) |

## What reviewers say

### Noise Score 2

[App page](https://appshunter.io/ios/app/noise-score-2/id1615053451)

This app helps you understand the soundscape of your community by measuring sound levels and collecting subjective feedback. It aims to identify quiet and loud spaces, and make your concerns about noise pollution visible.

**Highlights:** Measure sound levels objectively, Subjectively describe soundscape via surveys, Understand spatial and temporal sound distribution, Identify quiet and loud spaces, Contribute to community noise research

**Features:** macOS Compatibility

**In-app purchases:** none


### SmartQA

[App page](https://appshunter.io/ios/app/smartqa/id6466134535)

**In-app purchases:** none


## Frequently asked questions

### Is Noise Score 2 free?

Noise Score 2 is free to download, with no in-app purchases.

### Is SmartQA free?

SmartQA is free to download, with no in-app purchases.

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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.*