# 白噪音 vs 睡眠FM

The clearest difference is in-app purchases: 睡眠FM at none against 白噪音's 1. 白噪音's advantage is ads (none vs shown) and iOS requirement (12.0 vs 14.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. 白噪音 sells 1 one-off in-app purchase. 睡眠FM asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for 白噪音 against 5.0 for 睡眠FM. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

白噪音 ships an update every 2 months, 睡眠FM every 6 weeks. The most recent releases landed on August 27, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | 白噪音 | 睡眠FM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/id1495570157/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/fm/id6449446299/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 26 MB | 397 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Soofun Games](https://appshunter.io/developer/1458590567) | [Hefei Zhang Yu Intelligent Technology Co., Ltd.](https://appshunter.io/developer/1189870243) |

## What reviewers say

### 白噪音

[App page](https://appshunter.io/ios/app/id1495570157)

This app provides a collection of white noise sounds to aid sleep, improve focus, and soothe crying infants. It offers a simple interface with 125 tracks designed for various users, including those with insomnia, students, new parents, and professionals needing concentration.

**Highlights:** 125 white noise tracks, Aids sleep, Improves focus, Soothes crying infants, Simple interface, Relaxation tool

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 购买去除应用内广告功能 | $0.99 | one-time |


### 睡眠FM

[App page](https://appshunter.io/ios/app/fm/id6449446299)

This app offers a variety of high-quality natural sounds like rain, wind, and ocean waves to aid sleep, relaxation, and focus. Its minimalist design and user-friendly interface make it easy to create a calming atmosphere for any situation, from bedtime to study sessions.

**Highlights:** Diverse natural sound library, High-quality, professional sound effects, Simple and intuitive interface, No login or registration required, Ideal for sleep, relaxation, and concentration

**In-app purchases:** none


## Frequently asked questions

### Is 白噪音 free?

白噪音 is free to download, with in-app purchases available.

### Is 睡眠FM free?

睡眠FM is free to download, with no in-app purchases.

### Which has better reviews, 白噪音 or 睡眠FM?

白噪音 and 睡眠FM are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do 白噪音 or 睡眠FM have ads?

睡眠FM shows ads; 白噪音 does not.

### Which is updated more often, 白噪音 or 睡眠FM?

白噪音 ships an update every 2 months, and 睡眠FM every 6 weeks. Most recently, 白噪音 was updated on August 27, 2026 and 睡眠FM on June 11, 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.*