# 小睡眠 - 内置白噪音帮助睡眠

> Sound frequency generator and white noise app for sleep and focus. (iPhone/iPad app by 宏桃 陈.)

- Source: https://appshunter.io/ios/app/id1480993322 (this page in markdown: same URL + `.md`)
- Developer: [宏桃 陈](https://appshunter.io/developer/1505068669)
- Category: Productivity, Reference
- Price: Free with in-app purchases
- Rating: 4.80/5 from 10 App Store ratings
- Age rating: 4+
- Requires: iOS 10.0 · 76 MB
- Languages: English
- Released: 2019-09-29
- Data updated: 2026-06-01
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/id1480993322/reviews.md

## What is 小睡眠?

本应用能轻松的制作出不同频率的声音，操作简单，非常实用，手指上下滑动可自由调整频率。应用内，还内置了白噪音，让您与大自然零距离接触，非常适合睡眠不好，时常容易分心，或者是长期有焦虑不安情绪的人群。

特点：
# 可以自动调节频率；
# 频率最高可调整到25000Hz；
# 内置多种白噪音，让您与大自然零距离接触；
# 支持列表循环、单曲循环、随机播放和顺序播放等模式；
# 已全面适配iOS13。

隐私政策和用户协议：
https://zhuanlan.zhihu.com/p/83542874

## Key features

- Customizable sound frequencies
- Built-in white noise library
- Nature sound immersion
- Multiple playback modes
- Frequency adjustment up to 25000Hz
- iOS 13 compatibility

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 去除所有广告 | $0.99 | one-time |



## Frequently asked questions about 小睡眠

### What is 小睡眠?

小睡眠 is a productivity app that generates custom sound frequencies and includes built-in white noise to help users relax, focus, and improve sleep quality. It offers a nature-like sound experience.

### Does 小睡眠 have ads?

Yes, 小睡眠 contains advertisements. As a free app with in-app purchases, ads are part of its operational model.

### What devices does 小睡眠 support?

小睡眠 is available for iPhone, iPad, and iPod. It has been fully adapted for iOS 13.

### How often is 小睡眠 updated?

The latest version of 小睡眠 is 1.3, which was last updated on April 22, 2021. Update frequency information beyond this is not provided.

### What is the age rating for 小睡眠?

小睡眠 has an age rating of 4+, making it suitable for a wide range of users.

### Can I adjust the sound frequencies in 小睡眠?

Yes, you can easily adjust sound frequencies by sliding your finger up and down. The frequency can be adjusted up to 25000Hz.

### What are the playback modes in 小睡眠?

小睡眠 supports various playback modes including list loop, single song loop, random playback, and sequential playback.

### What is the user sentiment for 小睡眠?

小睡眠 has a high rating of 4.8 stars from 10 ratings, indicating positive user sentiment regarding its functionality and effectiveness.

## Version history (last 4 releases)

### 1.3 — 2021-04-22

小睡眠1.3版本上线啦~~
本次版本更新主要包括：
1、视觉优化；
2、用户体验提升；
3、一些已知小问题修复。

### 1.2 — 2020-05-31

修复一些小问题。

### 1.1 — 2019-10-08

本次更新主要修复一些小细节问题，优化app的性能，提升用户体验。

### 1.0 — 2019-09-30

No release notes.

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## More apps by 宏桃 陈

- [小组件 - 生辰年龄计算器](https://appshunter.io/ios/app/id1471759617)
- [时间规划局 - 文字时钟与倒计时](https://appshunter.io/ios/app/id1473733265)
- [ReverseVoice - 倒放挑战](https://appshunter.io/ios/app/reversevoice/id1487028867)
- [充电动画 - 手机电池充电动画制作](https://appshunter.io/ios/app/id1537296202)
- [灵动岛网速 - 网速实时显示和测速](https://appshunter.io/ios/app/id6444196816)

All apps by 宏桃 陈: https://appshunter.io/developer/1505068669

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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 2026-06-01.*