# WNoise vs 能量序

The clearest difference is in-app purchases: 能量序 at none against WNoise's 3. 能量序 also leads on iOS requirement (12.0 vs 16). On price, ads and device support there is nothing between them.

Both are free to download. WNoise sells 3 in-app purchases, starting at $0.99 per month. 能量序 asks for nothing beyond the download.

## The numbers

| Metric | WNoise | 能量序 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 67 MB | 37 MB |
| Requires iOS | 16 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ChaoYuan Zheng](https://appshunter.io/developer/1844520663) | [北京动念智能科技有限公司](https://appshunter.io/developer/1781541269) |

## What reviewers say

### WNoise

[App page](https://appshunter.io/ios/app/wnoise/id6753700979)

This app offers a rich library of natural sounds and custom audio uploads to create personalized soundscapes for relaxation, focus, and improved sleep. Manage your favorite mixes, sync them across devices, and use the sleep timer for a peaceful experience.

**Highlights:** Extensive natural sound library, Custom audio uploads, Personalized sound mix management, Cross-device cloud sync, Automatic sleep timer, Independent volume control

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| 3 Months | $2.99 | per 3 months |
| 1 Year | $7.99 | per year |


### 能量序

[App page](https://appshunter.io/ios/app/id6757784741)

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

**In-app purchases:** none


## Frequently asked questions

### Is WNoise free?

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

### Is 能量序 free?

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

### Do WNoise or 能量序 have ads?

Neither WNoise nor 能量序 shows ads.

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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.*