# 水质多参数APP vs Audio Analyst

The clearest difference is in-app purchases: 水质多参数APP at none against Audio Analyst's 4. 水质多参数APP also leads on iOS requirement (12.0 vs 15). Audio Analyst's advantage is update cadence (weekly vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. Audio Analyst sells 4 in-app purchases, starting at $0.99 per month. 水质多参数APP asks for nothing beyond the download.

水质多参数APP ships an update every 7 months, Audio Analyst weekly. The most recent releases landed on July 1, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | 水质多参数APP | Audio Analyst |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/audio-analyst/id6478918400/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 29 MB | 41 MB |
| Requires iOS | **12.0** | 15 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Xiamen Standards Scientific Instrument Co.,Ltd.](https://appshunter.io/developer/1194436536) | [嘉欣 胡](https://appshunter.io/developer/1640395440) |

## What reviewers say

### 水质多参数APP

[App page](https://appshunter.io/ios/app/app/id1450483863)

**Features:** macOS Compatibility

**In-app purchases:** none


### Audio Analyst

[App page](https://appshunter.io/ios/app/audio-analyst/id6478918400)

This professional audio analysis software offers a comprehensive suite of measurement tools. It supports spectrum analysis, phase spectrum, audio oscilloscope, and spectrograms, along with recording, playback, and peak measurement functionalities.

**Highlights:** Spectrum analysis, Audio oscilloscope, Spectrogram visualization, Audio recording and playback, Peak measurement, Customizable frequency ranges

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscriptions | $0.99 | per month |
| Quarterly Subscriptions | $1.99 | per 3 months |
| Annual Subscription | $4.99 | per year |
| Permanently Activated Version | $9.99 | one-time |


## Frequently asked questions

### Is 水质多参数APP free?

水质多参数APP is free to download, with no in-app purchases.

### Is Audio Analyst free?

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

### Do 水质多参数APP or Audio Analyst have ads?

Neither 水质多参数APP nor Audio Analyst shows ads.

### Which is updated more often, 水质多参数APP or Audio Analyst?

水质多参数APP ships an update every 7 months, and Audio Analyst weekly. Most recently, 水质多参数APP was updated on July 1, 2026 and Audio Analyst on August 31, 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.*