# 噪音检测仪 vs 分贝测试仪

The clearest difference is update cadence: 分贝测试仪 at every 4 days against 噪音检测仪's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 噪音检测仪 sells 1 in-app purchase, starting at $1.99 per 7 days and 分贝测试仪 sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

噪音检测仪 ships an update every 8 months, 分贝测试仪 every 4 days. The most recent releases landed on October 22, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 噪音检测仪 | 分贝测试仪 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 days** |
| Size | 33 MB | 7 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Youzeng Tech](https://appshunter.io/developer/1632899484) | [成 武](https://appshunter.io/developer/1727617638) |

## What reviewers say

### 噪音检测仪

[App page](https://appshunter.io/ios/app/id6446835328)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 噪音分贝仪-声音测试监测尊贵会员 | $1.99 | per 7 days |


### 分贝测试仪

[App page](https://appshunter.io/ios/app/and/id6476977596)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $9.99 | per month |
| 季度会员 | $29.99 | per 3 months |
| 年度会员 | $39.99 | per year |


## Frequently asked questions

### Is 噪音检测仪 free?

噪音检测仪 is free to download, with in-app purchases available.

### Is 分贝测试仪 free?

分贝测试仪 is free to download, with in-app purchases available.

### Do 噪音检测仪 or 分贝测试仪 have ads?

Neither 噪音检测仪 nor 分贝测试仪 shows ads.

### Which is updated more often, 噪音检测仪 or 分贝测试仪?

噪音检测仪 ships an update every 8 months, and 分贝测试仪 every 4 days. Most recently, 噪音检测仪 was updated on October 22, 2026 and 分贝测试仪 on October 16, 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.*