# Noise Score 2 vs MPS Aliwal

The clearest difference is iOS requirement: Noise Score 2 at 11.0 against MPS Aliwal's 15.6. On price, ads, in-app purchases and device support 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 | MPS Aliwal |
| --- | --- | --- |
| 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 | No |
| Update frequency | — | Every 2 months |
| Monetization | Free | — |
| Size | 29 MB | 80 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Boston University](https://appshunter.io/developer/365198772) | [Arwinder Singh](https://appshunter.io/developer/1723755619) |

## 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


### MPS Aliwal

[App page](https://appshunter.io/ios/app/mps-aliwal/id6572297947)

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

**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 MPS Aliwal free?

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

### Do Noise Score 2 or MPS Aliwal have ads?

Neither Noise Score 2 nor MPS Aliwal shows ads.

---

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