# 梦鸟睡眠 vs Sonus

The clearest difference is price: 梦鸟睡眠 at Free against Sonus's $3.99. 梦鸟睡眠 also leads on iOS requirement (9.0 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

梦鸟睡眠 is free to download; Sonus costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

梦鸟睡眠 ships an update every 4 months, Sonus every 3 months. The most recent releases landed on November 11, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 梦鸟睡眠 | Sonus |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sonus/id6738307673/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | — | Paid |
| Size | 47 MB | 38 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Goodsleep, Ltd.](https://appshunter.io/developer/1142711455) | [Marco Tini](https://appshunter.io/developer/544232459) |

## What reviewers say

### 梦鸟睡眠

[App page](https://appshunter.io/ios/app/id1142726699)

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

**In-app purchases:** none


### Sonus

[App page](https://appshunter.io/ios/app/sonus/id6738307673)

This app provides over 40 high-quality ambient sounds to help you focus, relax, or fall asleep. Its minimalist interface and background playback create a personalized sonic environment for any situation.

**Highlights:** 40+ high-quality ambient sounds, Background playback, Minimalist and intuitive interface, Dark mode support, iPad compatibility, Extensive sound library

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

**In-app purchases:** none


## Frequently asked questions

### Is 梦鸟睡眠 free?

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

### Is Sonus free?

Sonus costs $3.99, with no in-app purchases.

### Do 梦鸟睡眠 or Sonus have ads?

Neither 梦鸟睡眠 nor Sonus shows ads.

### Which is updated more often, 梦鸟睡眠 or Sonus?

梦鸟睡眠 ships an update every 4 months, and Sonus every 3 months. Most recently, 梦鸟睡眠 was updated on November 11, 2026 and Sonus on October 30, 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.*