# Sonus - Noise Machine — Color Noises - Pink/Brown/etc.

> Colored noise generator for relaxation, focus, and sleep. (iPhone/iPad app by Joshua Schellenberger.)

- Source: https://appshunter.io/ios/app/sonus-noise-machine/id6448130048 (this page in markdown: same URL + `.md`)
- Developer: [Joshua Schellenberger](https://appshunter.io/developer/1683588164)
- Category: Health & Fitness, Productivity
- Price: Free with in-app purchases
- Rating: 4.86/5 from 7 App Store ratings
- Age rating: 4+
- Requires: iOS 12.0 · 55 MB
- Languages: English
- Released: 2023-04-23
- Data updated: 2026-07-18
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/sonus-noise-machine/id6448130048/reviews.md

## What is Sonus?

Calm anxiety, help focus, fall asleep easier, or drown out harsh ambient sounds. 

Features:
- Six High-Quality Colored Noises, generated in-house.
- Options to play "Raw" noise with all frequencies or "Smooth" noise that focuses on lower frequencies.
- Can play in the background without needing the app to be open.
- Can be played on external devices through bluetooth.
- Sounds are stored offline and require no mobile data usage.
- No time limit. You choose how long you want to listen.

Included Colored Noise Descriptions:
- White Noise: Has been found to mask loud ambient noises and help concentration.
- Gray Noise: Similar to white noise, but with less harsh mid frequencies.
- Pink Noise: Has been found to lower brain activity, helping to reduce anxiety and improve sleep.
- Orange Noise: Has been suggested to help alleviate the symptoms of depression.
- Brown Noise: Similar to the brain’s resting state, helping to improve relaxation.
- Green Noise: Similar to brown noise, but without any “man-made” frequencies and thus most resembling the frequencies of nature.

Start relaxing with Sonus today!

## Key features

- Six high-quality colored noise sounds
- Raw and Smooth noise options
- Background playback
- Bluetooth external device support
- Offline sound storage
- No listening time limit

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| $1 Gratuity | $0.99 | one-time |
| Banner Ad Removal | $0.99 | one-time |



## Frequently asked questions about Sonus

### What is Sonus?

Sonus is a noise machine app that generates various colored noise sounds like white, pink, and brown noise. It's designed to help users relax, focus, and fall asleep easier by masking ambient sounds.

### Does Sonus have ads?

No, Sonus does not contain advertisements. It offers an ad-free experience for users.

### What devices does Sonus support?

Sonus is available for iPhone and iPod devices. It is not currently available for Android or other platforms.

### How accurate is Sonus's noise generation?

Sonus generates six high-quality colored noises in-house, offering both 'Raw' and 'Smooth' options. The app aims to provide effective sound masking for relaxation and focus.

### Can I use Sonus offline?

Yes, all sounds are stored offline within the app, meaning you do not require any mobile data usage to play them. This makes it convenient for use anywhere.

### What are the different noise types in Sonus?

Sonus includes White, Gray, Pink, Orange, Brown, and Green noise. Each type is described as having different benefits, from masking loud noises to reducing anxiety and promoting relaxation.

### How often is Sonus updated?

The latest version of Sonus is 1.0.1, which was released on May 3, 2023. Updates are provided by the developer to improve the application.

### What is the age rating for Sonus?

Sonus has an age rating of 4+, making it suitable for a wide range of users. The app's content is generally considered appropriate for children and adults.

## Version history (last 2 releases)

### 1.0.1 — 2023-05-03

Minor bug fixes, minor layout change, and audio improvements.

### 1.0 — 2023-04-23

No release notes.

## Apps similar to Sonus

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Sound Machine - White Noise](https://appshunter.io/ios/app/sound-machine-white-noise/id1534157897) | 4.6 (2,130) | Free | Health & Fitness |
| [Pink Noise Generator](https://appshunter.io/ios/app/pink-noise-generator/id6450889576) | 4.7 (445) | Free | Health & Fitness |
| [Noise Machine - Brown, White](https://appshunter.io/ios/app/noise-machine-brown-white/id1261956119) | 4.6 (4,297) | Free | Health & Fitness |
| [ADHD White Noise + Brown, Pink](https://appshunter.io/ios/app/adhd-white-noise-plus-brown-pink/id1632615763) | 4.8 (660) | Free | Health & Fitness |
| [Dark Noise: Ambient Sounds](https://appshunter.io/ios/app/dark-noise-ambient-sounds/id1465439395) | 4.8 (3,322) | Free | Health & Fitness |
| [White Noise HQ: sound machine](https://appshunter.io/ios/app/white-noise-hq-sound-machine/id888963581) | 4.8 (11,847) | Free | Health & Fitness |

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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 2026-07-18.*