# 经营小助手 vs 噪音检测仪

The clearest difference is in-app purchases: 经营小助手 at none against 噪音检测仪's 2. 经营小助手 also leads on iOS requirement (12.0 vs 15.1). On price, ads and device support 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. 经营小助手 asks for nothing beyond the download.

## The numbers

| Metric | 经营小助手 | 噪音检测仪 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 11 days |
| Size | 20 MB | 20 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [杭州绿云科技有限公司](https://appshunter.io/developer/1670027672) | [艇 徐](https://appshunter.io/developer/1720872299) |

## What reviewers say

### 经营小助手

[App page](https://appshunter.io/ios/app/id6502587486)

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

**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 经营小助手 free?

经营小助手 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.

### Do 经营小助手 or 噪音检测仪 have ads?

Neither 经营小助手 nor 噪音检测仪 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.*