# Brown Noise vs AirAware

The clearest difference is in-app purchases: AirAware at none against Brown Noise's 3. AirAware also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). Brown Noise's advantage is update cadence (every 3 weeks vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Brown Noise sells 3 in-app purchases, starting at $39.99 per year. AirAware asks for nothing beyond the download.

Brown Noise ships an update every 3 weeks, AirAware every 5 months. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Brown Noise | AirAware |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (766 ratings)](https://appshunter.io/ios/app/brown-noise-sleep-machine/id6499593468/reviews)** | — |
| Number of ratings | **766** | — |
| Positive reviews | 64.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 146 MB | 23 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [YELLOWCAT LABS LTD](https://appshunter.io/developer/6776779596) | [Alfameg srl](https://appshunter.io/developer/1842354213) |

## What reviewers say

### Brown Noise

[App page](https://appshunter.io/ios/app/brown-noise-sleep-machine/id6499593468)

Enhance your sleep quality with a variety of colored noises, ambient soundscapes, and guided meditations. This app offers a user-friendly interface and adjustable timer to create a tranquil environment for restful sleep for all ages.

**Highlights:** Colored noises (brown, etc.), Binaural beats and brainwaves, Ambient soundscapes (nature, cabin), Guided meditations, Adjustable sleep timer, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly subscription | $39.99 | per year |
| Yearly subscription | $59.99 | per year |
| Yearly subscription | $59.99 | per year |


### AirAware

[App page](https://appshunter.io/ios/app/airaware/id6753075702)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brown Noise free?

Brown Noise is free to download, with in-app purchases available.

### Is AirAware free?

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

### Do Brown Noise or AirAware have ads?

Brown Noise shows ads; AirAware does not.

### Which is updated more often, Brown Noise or AirAware?

Brown Noise ships an update every 3 weeks, and AirAware every 5 months. Most recently, Brown Noise was updated on November 8, 2026 and AirAware on October 30, 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.*