# 催眠曲合集HD vs Pure Relax

The clearest difference is iOS requirement: 催眠曲合集HD at 6.0 against Pure Relax's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 催眠曲合集HD sells 1 one-off in-app purchase and Pure Relax sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

催眠曲合集HD ships an update every 3 weeks, Pure Relax fortnightly. The most recent releases landed on June 7, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | 催眠曲合集HD | Pure Relax |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/hd/id769358889/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 687 MB | 61 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [静芳 沈](https://appshunter.io/developer/741522051) | [伟杰 廖](https://appshunter.io/developer/1741268576) |

## 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 |


### Pure Relax

[App page](https://appshunter.io/ios/app/pure-relax/id6502515978)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月套餐 | $0.99 | per month |
| 连续包年套餐 | $19.99 | per year |
| 单月套餐 | $1.99 | one-time |


## 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 Pure Relax free?

Pure Relax is free to download, with in-app purchases available.

### Do 催眠曲合集HD or Pure Relax have ads?

Neither 催眠曲合集HD nor Pure Relax shows ads.

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

催眠曲合集HD ships an update every 3 weeks, and Pure Relax fortnightly. Most recently, 催眠曲合集HD was updated on June 7, 2026 and Pure Relax on September 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*