# 噪音检测仪 vs 分贝检测仪

The clearest difference is in-app purchases: 分贝检测仪 at none against 噪音检测仪's 2. 噪音检测仪's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 噪音检测仪 sells 2 in-app purchases, starting at $3.99 per 7 days. 分贝检测仪 asks for nothing beyond the download.

## The numbers

| Metric | 噪音检测仪 | 分贝检测仪 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 11 days | — |
| Size | 20 MB | 15 MB |
| Requires iOS | **15.1** | 16 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [艇 徐](https://appshunter.io/developer/1720872299) | [燕梅 高](https://appshunter.io/developer/1860144880) |

## What reviewers say

### 噪音检测仪

[App page](https://appshunter.io/ios/app/ai/id6748600963)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $3.99 | per 7 days |
| 年会员 | $12.99 | per year |


### 分贝检测仪

[App page](https://appshunter.io/ios/app/id6756709145)

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

**In-app purchases:** none


## 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 分贝检测仪 free?

分贝检测仪 is free to download, with no in-app purchases.

### Do 噪音检测仪 or 分贝检测仪 have ads?

分贝检测仪 shows ads; 噪音检测仪 does not.

---

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