# 白噪音 vs ayi8

The clearest difference is in-app purchases: ayi8 at none against 白噪音's 3. ayi8 also leads on ads (none vs shown). 白噪音's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.6). On price and update cadence there is nothing between them.

Both are free to download. 白噪音 sells 3 in-app purchases, starting at $1.99 per month. ayi8 asks for nothing beyond the download.

白噪音 ships an update every 8 days, ayi8 every 2 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 白噪音 | ayi8 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Every 2 weeks |
| Size | 93 MB | 3 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [魁鹏 宋](https://appshunter.io/developer/977980685) | [汉民 杨](https://appshunter.io/developer/611733383) |

## What reviewers say

### 白噪音

[App page](https://appshunter.io/ios/app/id1629064155)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $1.99 | per month |
| 季度会员 | $4.49 | per 3 months |
| 年会员 | $14.49 | per year |


### ayi8

[App page](https://appshunter.io/ios/app/ayi8/id6751799475)

**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 ayi8 free?

ayi8 is free to download, with no in-app purchases.

### Do 白噪音 or ayi8 have ads?

白噪音 shows ads; ayi8 does not.

### Which is updated more often, 白噪音 or ayi8?

白噪音 ships an update every 8 days, and ayi8 every 2 weeks. Most recently, 白噪音 was updated on November 3, 2026 and ayi8 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.*