# Black Noise vs Flight Sleep

The clearest difference is ads: Flight Sleep at none against Black Noise's shown. Flight Sleep also leads on iOS requirement (15.1 vs 18). On price, 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 | Black Noise | Flight Sleep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (325 ratings)](https://appshunter.io/ios/app/black-noise/id1195476445/reviews)** | — |
| Number of ratings | **325** | — |
| Positive reviews | 64.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | — |
| Monetization | Ad-supported | — |
| Size | 147 MB | 52 MB |
| Requires iOS | 18 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [James Bevins](https://appshunter.io/developer/1137750302) | [Moai LLC (OH)](https://appshunter.io/developer/6786424435) |

## What reviewers say

### Black Noise

[App page](https://appshunter.io/ios/app/black-noise/id1195476445)

Drift off to sleep with a curated collection of spaceship and airplane ambient sounds. Enjoy up to four hours of immersive audio designed to promote relaxation and deeper sleep.

**Highlights:** Eight unique ambient sounds, Up to 4 hours of continuous playback, Spacecraft sounds, Airplane sounds, Portable on iPhone and iPad

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

**In-app purchases:** none

**What reviewers like**

- 👍 Great sounds for sleep
- 💡 Unique space-themed sounds
- 👍 Soothing and relaxing atmosphere
- 👍 Good alternative to white noise
- 👍 App is free

**What reviewers complain about**

- 🐛 Loop has a gap/pause
- 🐛 Sound cuts out randomly
- 🐛 Volume too quiet on some sounds
- 🐛 Abrupt stop at timer end
- 🐛 App crashes on newer iOS

**Reported bugs**

- Sound cuts out after 1-2 seconds
- Goes silent every ten minutes
- Randomly stopping and starting
- Cuts in and out every 7 minutes
- App crashes on open in iOS 13

**Requested features**

- Return timer to 12 hours
- Fix the break in the loop
- Increase volume for some sounds
- Allow playback with other apps
- Add fade out option


### Flight Sleep

[App page](https://appshunter.io/ios/app/flight-sleep/id6786424433)

**In-app purchases:** none


## Frequently asked questions

### Is Black Noise free?

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

### Is Flight Sleep free?

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

### Do Black Noise or Flight Sleep have ads?

Black Noise shows ads; Flight Sleep does not.

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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.*