# SleepLoop: Brown Noise Rain — White Pink Green Nature Sounds

> Ambient soundscapes for sleep, focus, and relaxation with a unique vinyl interface. (iPhone/iPad app by WD Studio.)

- Source: https://appshunter.io/ios/app/sleeploop-brown-noise-rain/id6753655756 (this page in markdown: same URL + `.md`)
- Developer: [WD Studio](https://appshunter.io/developer/1842547806)
- Category: Health & Fitness, Lifestyle
- Price: Free with in-app purchases (on sale, was $0.99)
- Rating: 5.00/5 from 12 App Store ratings
- Age rating: 4+
- Requires: iOS 17.6 · 13 MB
- Languages: English, French, German, Italian, Japanese, Korean, Portuguese, Russian, Chinese, Spanish and 2 more
- Released: 2025-10-08
- Data updated: 2026-08-09
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/sleeploop-brown-noise-rain/id6753655756/reviews.md

## What is SleepLoop?

Discover the profound power of brown noise!
Sleeploop offers professional brown, pink, green, and white noise, along with 100+ high-quality rain and natural sounds.

The low-frequency characteristics of brown noise effectively block out distractions, promote deep sleep, and enhance focus.
Unique vinyl record interface, one-touch playback, minimalist and elegant.

Why choose brown noise?

Brown noise is deeper and warmer than white noise.
Its low-frequency energy is stronger, like a distant waterfall or deep thunder, making it particularly suitable for:

• Deep sleep - more effectively masking sudden noises (door slamming, talking)
• Enhanced focus - research shows it's especially effective for ADHD users
• Anxiety relief - low-frequency sounds soothe the nervous system
• Tinnitus relief - low frequencies better mask tinnitus problems

Why choose Sleeploop?

• 4 professional colored noises: Offers brown, pink, green, and classic white noise.
• Minimalist Vinyl Aesthetics: A unique vinyl record interface allows you to watch the record spin and immerse yourself in a pure world of sound.
• 100+ Curated Sound Libraries: A rich selection of natural ambient sounds, including rain, ocean waves, streams, campfires, and wind.
• Seamless Background Playback: Continue playing even when the screen is locked; easily switch tracks.
• Ad-Free and Clean: A premium experience with zero interruptions. Focused on your health and well-being.

Complete Sound Library

【4 Colored Noises】
• Brown Noise - Deep and warm, ideal for deep sleep and focus
• Pink Noise - Gentle and balanced, suitable for relaxation and soothing babies to sleep
• Green Noise - Natural and soothing, suitable for meditation and reading
• White Noise - Classic choice, suitable for all scenarios

【Rich Natural Sounds】
• Rain Sounds: Rain in a tent, raindrops on a car roof, drizzle outside a window, thunderstorm night, forest rain
• Water Sounds: Waves crashing on the shore, babbling brook, roaring waterfall, dripping water
• Natural Environments: Crackling campfire, wind blowing through the trees, frogs croaking at night, birdsong in the forest
• Comfortable Environments: Whispers in a café, fan turning, clock ticking, cat purring

Suitable for

• Insomnia sufferers: The deep frequencies of brown noise can more effectively block out environmental noise, helping you fall asleep quickly.
• For those with ADHD and attention deficit: Scientific research confirms that brown noise can significantly improve concentration.
• For those experiencing anxiety and stress: Low-frequency sounds can soothe the nervous system and help the brain relax.
• For students and working professionals: Concentrate on work or study in noisy environments, or quickly de-stress and relax.
• For meditation and yoga practitioners: Green noise and natural sounds provide the perfect background for practice.
• For new parents: Pink and brown noise can effectively soothe babies and are gentler than white noise.
• For tinnitus sufferers: The low-frequency characteristics of brown noise better mask tinnitus.

Scientific Basis for Brown Noise

• Sleep Quality: Studies show that low-frequency sounds can increase the proportion of deep sleep.
• Improved Concentration: Particularly effective for those with ADHD.
• Frequency Characteristics: Brown noise has the strongest low-frequency energy and is closer to the sounds of nature.
• Masking Effect: Better at masking sudden noises than white noise.

Download Sleeploop now and experience the profound power of brown noise.

Let professional colored noise and natural sounds guide you into deeper sleep, a more focused state, and a calmer state of mind.


Terms of Service: https://noisesleep.com/Terms
Privacy Policy: https://noisesleep.com/Privacy

## Key features

- Brown, pink, green, white noise
- 100+ nature and rain sounds
- Minimalist vinyl record interface
- Seamless background playback
- Ad-free experience
- Focus and anxiety relief

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Premium Annual $19.99 | $8.99 | per year |
| Premium Monthly $1.99 | $1.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| SleepLoop Premium Lifetime | $39.99 | one-time |



## Frequently asked questions about SleepLoop

### What types of colored noise does SleepLoop offer?

SleepLoop provides four professional colored noises: brown, pink, green, and white noise. Brown noise is deep and warm, ideal for deep sleep and focus, while pink noise is gentle and balanced for relaxation.

### Does SleepLoop have ads?

No, SleepLoop is advertised as an ad-free experience. The description emphasizes a premium experience with zero interruptions, focused on user health and well-being.

### What natural sounds are available in SleepLoop?

SleepLoop features over 100 curated sound libraries, including various rain sounds (tent, car roof, drizzle, thunderstorm), water sounds (ocean waves, brook, waterfall), natural environments (campfire, wind, frogs, birdsong), and comfortable environments (café whispers, fan, clock ticking, cat purring).

### How does SleepLoop help with focus and ADHD?

Brown noise, a key feature of SleepLoop, has been shown in research to be particularly effective for ADHD users and can significantly improve concentration. Its low-frequency energy helps mask distractions, enhancing focus.

### What are the subscription options for SleepLoop?

SleepLoop offers two subscription plans: Premium Monthly for $1.99 and Premium Annual for $19.99. These plans likely unlock additional features or content beyond the free offering.

### Is SleepLoop available on Android devices?

Based on the provided data, SleepLoop is supported on iPhone and iPad. Information regarding Android compatibility is not available in this dataset.

### How often is SleepLoop updated?

The latest version of SleepLoop is 1.1.1, and it was last updated on March 20, 2026. This indicates a relatively recent update, suggesting ongoing development and support.

### What makes SleepLoop's interface unique?

SleepLoop features a unique minimalist vinyl record interface. Users can watch the record spin, immersing themselves in a pure world of sound, which is a distinctive aesthetic choice compared to standard audio apps.

## Version history (last 5 releases)

### 1.2.0 — 2026-04-04

To help you sleep better, we improved the experience.

### 1.1.1 — 2026-03-20

Save your favorites. Play your favorites.
Fixed a bug with Sleep Timer playback.

### 1.1.0 — 2026-03-10

To help you sleep better, we improved the experience.
Next version, save your favorites.

### 1.0.9 — 2026-01-19

Fixing bugs and improving performance.

### 1.0.8 — 2026-01-05

Recommended upgrade: The audio loop playback experience is now smoother.

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## More apps by WD Studio

- [Flipomo: Pomodoro & Flip Clock](https://appshunter.io/ios/app/flipomo-pomodoro-and-flip-clock/id6753108189)
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- [WaterBaby: Hydration Tracker](https://appshunter.io/ios/app/waterbaby-hydration-tracker/id6758539000)
- [Soluna: Couple Love Tracker](https://appshunter.io/ios/app/soluna-couple-love-tracker/id6758712099)
- [YarnLoom：Crochet & Knitting](https://appshunter.io/ios/app/yarnloomcrochet-and-knitting/id6759821406)

All apps by WD Studio: https://appshunter.io/developer/1842547806

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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 2026-08-09.*