# 清爽测分贝 vs SonoMeter

The clearest difference is price: SonoMeter at Free against 清爽测分贝's $0.99. 清爽测分贝's advantage is in-app purchases (none vs 4) and update cadence (daily vs every 8 months). On ads, device support and iOS requirement there is nothing between them.

SonoMeter is free to download; 清爽测分贝 costs $0.99 up front. SonoMeter sells 4 in-app purchases, starting at $1.99 per 7 days. 清爽测分贝 asks for nothing beyond the download.

清爽测分贝 ships an update daily, SonoMeter every 8 months. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 清爽测分贝 | SonoMeter |
| --- | --- | --- |
| 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 | 35 MB |
| Requires iOS | 16.0 | 16 |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [特 何](https://appshunter.io/developer/1578693957) | [Raphael Goupille](https://appshunter.io/developer/1650597250) |

## 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


### SonoMeter

[App page](https://appshunter.io/ios/app/sonometer-decibel-meter/id6745488403)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |
| Monthly subscription | $5.99 | per month |
| Annual subscription | $24.99 | per year |
| Premium Lifetime | $6.99 | one-time |


## Frequently asked questions

### Is 清爽测分贝 free?

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

### Is SonoMeter free?

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

### Do 清爽测分贝 or SonoMeter have ads?

Neither 清爽测分贝 nor SonoMeter shows ads.

### Which is updated more often, 清爽测分贝 or SonoMeter?

清爽测分贝 ships an update daily, and SonoMeter every 8 months. Most recently, 清爽测分贝 was updated on November 3, 2026 and SonoMeter on October 25, 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.*