# Noise Machine° vs Sleep Hush

The clearest difference is in-app purchases: Noise Machine° at none against Sleep Hush's 4. Noise Machine° also leads on iOS requirement (16.0 vs 18.5). Sleep Hush's advantage is ratings volume (9 vs 3). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Sleep Hush sells 4 in-app purchases, starting at $9.99 per month. Noise Machine° asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Noise Machine° against 4.9 for Sleep Hush. Both are backed by a comparable volume of ratings — 3 and 9 respectively.

Noise Machine° ships an update every 11 days, Sleep Hush every 2 weeks. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Noise Machine° | Sleep Hush |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/noise-machine/id6757855464/reviews)** | [4.9 (9 ratings)](https://appshunter.io/ios/app/sleep-hush-soundstracker/id6758901340/reviews) |
| Number of ratings | 3 | **9** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 weeks |
| Monetization | **Free** | Freemium |
| Size | 5 MB | 66 MB |
| Requires iOS | **16.0** | 18.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KARLIE ALEXIS KOWALSKA](https://appshunter.io/developer/6806982191) | [Honverse](https://appshunter.io/developer/1875622087) |

## What reviewers say

### Noise Machine°

[App page](https://appshunter.io/ios/app/noise-machine/id6757855464)

This app generates unique, continuous audio to help you sleep better, focus more, and relax. It offers various sound types like brown, green, white, pink, and fan noise, all procedurally generated to avoid repetitive loops. Enjoy offline playback and a sleep timer for a seamless experience.

**Highlights:** Procedurally generated infinite audio, Multiple noise types (brown, green, white, pink, fan), Sleep timer with fade out, Offline mode, Background playback, Customizable sound controls

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

**In-app purchases:** none


### Sleep Hush

[App page](https://appshunter.io/ios/app/sleep-hush-soundstracker/id6758901340)

This app helps you fall asleep faster and stay asleep longer with a library of high-quality white noise and calming soundscapes. It features seamless looping audio, a sleep timer, and a minimalist design for a distraction-free experience.

**Highlights:** High-quality white noise library, Instant sleep and relaxation, Seamless looping sounds, Sleep timer, Minimalist design

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sleep Hush Premium (1 Monty) | $9.99 | per month |
| Sleep Hush Premium Discount(1 Year) | $19.99 | per year |
| Sleep Hush Premium (1 Year) | $19.99 | per year |
| Sleep Hush Pro (1 Year) | $39.99 | per year |


## Frequently asked questions

### Is Noise Machine° free?

Noise Machine° is free to download, with no in-app purchases.

### Is Sleep Hush free?

Sleep Hush is free to download, with in-app purchases available.

### Which has better reviews, Noise Machine° or Sleep Hush?

Noise Machine° is rated higher. Noise Machine° averages 5.0 out of 5 from 3 ratings, while Sleep Hush averages 4.9 from 9 ratings.

### Do Noise Machine° or Sleep Hush have ads?

Neither Noise Machine° nor Sleep Hush shows ads.

### Which is updated more often, Noise Machine° or Sleep Hush?

Noise Machine° ships an update every 11 days, and Sleep Hush every 2 weeks. Most recently, Noise Machine° was updated on November 5, 2026 and Sleep Hush on November 9, 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.*