# NoiseLab vs 音频助手

The clearest difference is price: 音频助手 at Free against NoiseLab's $99.99. 音频助手 also leads on iOS requirement (13.0 vs 15.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

音频助手 is free to download; NoiseLab costs $99.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NoiseLab ships an update every 6 weeks, 音频助手 monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | NoiseLab | 音频助手 |
| --- | --- | --- |
| Price | $99.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/noiselab-noise-meterslmdb/id1382478385/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Paid | — |
| Size | 5 MB | 33 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZKXY Technology Co., Ltd](https://appshunter.io/developer/1382478384) | [Shenzhen Yuemei Technology Co.,Ltd](https://appshunter.io/developer/1691025722) |

## What reviewers say

### NoiseLab

[App page](https://appshunter.io/ios/app/noiselab-noise-meterslmdb/id1382478385)

This professional sound meter app transforms your iOS device into an acoustical analysis meter, precisely measuring sound pressure levels and frequency characteristics. It offers advanced features for acoustic engineers, including filter and time detector combinations, calibration options, and historical data export.

**Highlights:** Measures sound pressure level and frequency, Supports built-in and external microphones, Simultaneous filter (Z, A, B, C) and time detector (Fast, Slow, Impulse) measurements, System calibration with sound calibrators or manual input, Saves and exports sound pressure level history, Calculates and displays Octave analysis results

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

**In-app purchases:** none


### 音频助手

[App page](https://appshunter.io/ios/app/id6449925007)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NoiseLab free?

NoiseLab costs $99.99, with no in-app purchases.

### Is 音频助手 free?

音频助手 is free to download, with no in-app purchases.

### Do NoiseLab or 音频助手 have ads?

Neither NoiseLab nor 音频助手 shows ads.

### Which is updated more often, NoiseLab or 音频助手?

NoiseLab ships an update every 6 weeks, and 音频助手 monthly. Most recently, NoiseLab was updated on November 2, 2026 and 音频助手 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.*