# 分贝仪 vs 噪音检测仪

The clearest difference is device support: 噪音检测仪 at 2 against 分贝仪's —. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. 分贝仪 sells 1 in-app purchase, starting at $3.99 per 7 days and 噪音检测仪 sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 分贝仪 | 噪音检测仪 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | — | Every 11 days |
| Size | 9 MB | 20 MB |
| Requires iOS | **14.3** | 15.1 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [鹏 付](https://appshunter.io/developer/1763668517) | [艇 徐](https://appshunter.io/developer/1720872299) |

## What reviewers say

### 分贝仪

[App page](https://appshunter.io/ios/app/id6740892206)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 分贝仪高级周会员 | $3.99 | per 7 days |


### 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 分贝仪 free?

分贝仪 is free to download, with in-app purchases available.

### 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.*