# 噪音检测仪 vs DFS 安全云盘

The clearest difference is in-app purchases: DFS 安全云盘 at none against 噪音检测仪's 2. DFS 安全云盘 also leads on iOS requirement (10.0 vs 12.0). 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. DFS 安全云盘 asks for nothing beyond the download.

## The numbers

| Metric | 噪音检测仪 | DFS 安全云盘 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6661030420/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Freemium | — |
| Size | 10 MB | 8 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [塔西甫拉提 达提卡依木](https://appshunter.io/developer/1735843889) | [Hangzhou Infogo Technology Co., Ltd.](https://appshunter.io/developer/591634610) |

## What reviewers say

### 噪音检测仪

[App page](https://appshunter.io/ios/app/id6661030420)

This tool accurately measures and displays current noise levels in decibels. It tracks historical data, provides smart noise ratings based on international standards, and is useful for various environments like work, home, and outdoors. Protect your hearing and improve your environment.

**Highlights:** Instant decibel monitoring, Historical data logging, Smart noise level rating, Wide range of applicable scenarios, Professional-grade accuracy

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 噪音检测仪周会员 | $3.99 | per 7 days |
| 噪音检测仪年会员 | $12.99 | per year |


### DFS 安全云盘

[App page](https://appshunter.io/ios/app/dfs/id6740301743)

**Features:** macOS Compatibility

**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 DFS 安全云盘 free?

DFS 安全云盘 is free to download, with no in-app purchases.

### Do 噪音检测仪 or DFS 安全云盘 have ads?

Neither 噪音检测仪 nor DFS 安全云盘 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.*