# Decibel Meter dB Sky vs 清爽测分贝

The clearest difference is price: Decibel Meter dB Sky at Free against 清爽测分贝's $0.99. 清爽测分贝's advantage is in-app purchases (none vs 1) and ads (none vs shown). On review sentiment, device support and iOS requirement there is nothing between them.

Decibel Meter dB Sky is free to download; 清爽测分贝 costs $0.99 up front. Decibel Meter dB Sky sells 1 one-off in-app purchase. 清爽测分贝 asks for nothing beyond the download.

Decibel Meter dB Sky ships an update every 21 months, 清爽测分贝 daily. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Decibel Meter dB Sky | 清爽测分贝 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/decibel-meter-db-sky/id1451820892/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 21 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 9 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [春豪 李](https://appshunter.io/developer/1451820891) | [特 何](https://appshunter.io/developer/1578693957) |

## What reviewers say

### Decibel Meter dB Sky

[App page](https://appshunter.io/ios/app/decibel-meter-db-sky/id1451820892)

Measure ambient sound levels with a clear dial and record audio to understand sound changes. Save and replay moments, with advanced features available through a one-time purchase.

**Highlights:** Live sound-level estimates and curves, Local audio recording and playback, Screen-locked recording, Photo sound cards, Scene archives, Timed recording stops, Sound timeline and recap

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime Unlock | $2.99 | one-time |


### 清爽测分贝

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Decibel Meter dB Sky free?

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

### Is 清爽测分贝 free?

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

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

Decibel Meter dB Sky shows ads; 清爽测分贝 does not.

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

Decibel Meter dB Sky ships an update every 21 months, and 清爽测分贝 daily. Most recently, Decibel Meter dB Sky was updated on November 2, 2026 and 清爽测分贝 on November 3, 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.*