---
title: "Sleep Sounds - Relax & Sleep — App Overview"
url: https://marlvel.ai/apps/sleep-sounds-relax-sleep
category: Health & Fitness
developer: 鋆 张
platforms: ios
rating: 4.8 (3.3K ratings)
pricing: subscription
report_level: overview
generated: 2026-05-05
last_verified: "2026-05-05T19:55:52.220Z"
overall_rating: 4.8
total_reviews: 3257
data_age_days: 102
---

<!-- SECTION: Key Insight -->
> **Key Insight:** The app provides a highly customizable, offline-capable soundscape experience that users frequently utilize as a nightly sleep aid.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Health & Fitness |
| Rating | 4.8 ★ (3.3K) |
| Pricing | subscription |
| Platforms | iOS |
| Latest Version (iOS) | 1.3.1 |
| Developer | 鋆 张 |

<!-- SECTION: Summary -->
## What is Sleep Sounds - Relax & Sleep?

Sleep Sounds is a Health & Fitness app designed to assist users with insomnia and stress through a library of nature, rain, and white noise audio. The app distinguishes itself by allowing users to create and save custom sound mixes with individual volume controls, functioning entirely offline.

<!-- SECTION: Key Features -->
## Key Features

- **Custom Sound Mixes**: Users can layer multiple sounds and adjust individual volume levels to create personalized audio environments.
- **Sleep Timer**: An integrated scheduling tool automatically stops audio playback after a set duration.
- **Offline Functionality**: The app provides full access to its sound library without requiring an active network connection.
- **Background Play**: Audio continues to play while the device is locked or the user is navigating other applications.

<!-- SECTION: Target Audience -->
## Who is it for?

Individuals seeking auditory aids to improve sleep quality, focus, or relaxation.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/sleep-sounds-relax-sleep/id1577010193?uo=4)
- [Full Intelligence Report](https://marlvel.ai/apps/sleep-sounds-relax-sleep)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/sleep-sounds-relax-sleep).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*