# 精准分贝仪 vs 噪音检测仪

The clearest difference is in-app purchases: 精准分贝仪 at none against 噪音检测仪's 2. 精准分贝仪 also leads on iOS requirement (13.0 vs 15.1). 噪音检测仪's advantage is device support. On price 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. 精准分贝仪 asks for nothing beyond the download.

## The numbers

| Metric | 精准分贝仪 | 噪音检测仪 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 11 days |
| Size | 57 MB | 20 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [爱丽 周](https://appshunter.io/developer/1651181909) | [艇 徐](https://appshunter.io/developer/1720872299) |

## What reviewers say

### 精准分贝仪

[App page](https://appshunter.io/ios/app/id6475716450)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 精准分贝仪 free?

精准分贝仪 is free to download, with no in-app purchases.

### Is 噪音检测仪 free?

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

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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.*