# 催眠曲合集HD vs SweetSleep

The clearest difference is rating: 催眠曲合集HD at 3.0 against SweetSleep's 1.0. 催眠曲合集HD also leads on update cadence (every 3 weeks vs every 6 weeks) and iOS requirement (6.0 vs 15.6). SweetSleep's advantage is in-app purchases (none vs 1). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. 催眠曲合集HD sells 1 one-off in-app purchase. SweetSleep asks for nothing beyond the download.

催眠曲合集HD holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

催眠曲合集HD ships an update every 3 weeks, SweetSleep every 6 weeks. The most recent releases landed on June 7, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | 催眠曲合集HD | SweetSleep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/hd/id769358889/reviews)** | [1.0 (4 ratings)](https://appshunter.io/ios/app/sweetsleep-relax/id1089552542/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 687 MB | 50 MB |
| Requires iOS | **6.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [静芳 沈](https://appshunter.io/developer/741522051) | [Omesoft(Zhuhai) Co.,Ltd.](https://appshunter.io/developer/376298490) |

## What reviewers say

### 催眠曲合集HD

[App page](https://appshunter.io/ios/app/hd/id769358889)

This app offers a collection of high-quality sleep music designed to combat insomnia and promote relaxation. It supports various playback modes, background play, and a sleep timer, making it ideal for meditation, yoga, and unwinding before bed.

**Highlights:** Offline sleep music collection, Background playback, Sequential and random playback modes, Sleep timer function, Resume playback from last record, High-quality audio

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (1)**

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


### SweetSleep

[App page](https://appshunter.io/ios/app/sweetsleep-relax/id1089552542)

This application uses advanced digital audio synthesis technology to adjust sound wave frequencies. It aims to help users achieve an optimal brain state for relaxation and passion, empowering them to manage their well-being without medication.

**Highlights:** Digital audio synthesis, Sound wave frequency adjustment, Brain state optimization, DIY well-being management, Passion and relaxation enhancement

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 催眠曲合集HD free?

催眠曲合集HD is free to download, with in-app purchases available.

### Is SweetSleep free?

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

### Which has better reviews, 催眠曲合集HD or SweetSleep?

催眠曲合集HD is rated higher. 催眠曲合集HD averages 3.0 out of 5 from 2 ratings, while SweetSleep averages 1.0 from 4 ratings.

### Do 催眠曲合集HD or SweetSleep have ads?

Neither 催眠曲合集HD nor SweetSleep shows ads.

### Which is updated more often, 催眠曲合集HD or SweetSleep?

催眠曲合集HD ships an update every 3 weeks, and SweetSleep every 6 weeks. Most recently, 催眠曲合集HD was updated on June 7, 2026 and SweetSleep on September 21, 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.*