# 清爽测分贝 vs Noise Decibel Meter

The clearest difference is price: Noise Decibel Meter at Free against 清爽测分贝's $0.99. Noise Decibel Meter also leads on iOS requirement (12.0 vs 16.0). 清爽测分贝's advantage is in-app purchases (none vs 1) and update cadence (daily vs every 8 months). On ads and device support there is nothing between them.

Noise Decibel Meter is free to download; 清爽测分贝 costs $0.99 up front. Noise Decibel Meter sells 1 in-app purchase, starting at $3.99 per month. 清爽测分贝 asks for nothing beyond the download.

清爽测分贝 ships an update daily, Noise Decibel Meter every 8 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 清爽测分贝 | Noise Decibel Meter |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 8 months |
| Size | 9 MB | 29 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [特 何](https://appshunter.io/developer/1578693957) | [Packhorse Tech Co.,Ltd](https://appshunter.io/developer/1610710377) |

## What reviewers say

### 清爽测分贝

[App page](https://appshunter.io/ios/app/id6448696479)

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

**In-app purchases:** none


### Noise Decibel Meter

[App page](https://appshunter.io/ios/app/noise-decibel-meter-db-meter/id6723885133)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 噪音分贝仪专业版 | $3.99 | per month |


## Frequently asked questions

### Is 清爽测分贝 free?

清爽测分贝 costs $0.99, with no in-app purchases.

### Is Noise Decibel Meter free?

Noise Decibel Meter is free to download, with in-app purchases available.

### Do 清爽测分贝 or Noise Decibel Meter have ads?

Neither 清爽测分贝 nor Noise Decibel Meter shows ads.

### Which is updated more often, 清爽测分贝 or Noise Decibel Meter?

清爽测分贝 ships an update daily, and Noise Decibel Meter every 8 months. Most recently, 清爽测分贝 was updated on November 3, 2026 and Noise Decibel Meter on October 30, 2026.

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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.*