# Mobile Oscilloscope vs 噪声频谱仪

The clearest difference is price: 噪声频谱仪 at Free against Mobile Oscilloscope's $1.99. Mobile Oscilloscope's advantage is device support (4 vs 2). On ads, in-app purchases and iOS requirement there is nothing between them.

噪声频谱仪 is free to download; Mobile Oscilloscope costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Mobile Oscilloscope | 噪声频谱仪 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mobile-oscilloscope/id1363904692/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | — |
| Monetization | Paid | — |
| Size | 2 MB | 1 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [怀卫 张](https://appshunter.io/developer/1252544375) | [宝良 陈](https://appshunter.io/developer/6787040410) |

## What reviewers say

### Mobile Oscilloscope

[App page](https://appshunter.io/ios/app/mobile-oscilloscope/id1363904692)

Transform your phone into a handheld oscilloscope for detailed audio signal analysis. Professionals can also use it for circuit measurements. Features include precise frequency measurement, multiple trigger modes, and gesture-based zooming.

**Highlights:** Audio signal analysis, Circuit analysis for professionals, Detailed signal parameter display, Accurate frequency measurement, Multiple trigger modes, Gesture-based measurement and zooming, Customizable interface colors

**In-app purchases:** none


### 噪声频谱仪

[App page](https://appshunter.io/ios/app/id6787120463)

**In-app purchases:** none


## Frequently asked questions

### Is Mobile Oscilloscope free?

Mobile Oscilloscope costs $1.99, with no in-app purchases.

### Is 噪声频谱仪 free?

噪声频谱仪 is free to download, with no in-app purchases.

### Do Mobile Oscilloscope or 噪声频谱仪 have ads?

Neither Mobile Oscilloscope nor 噪声频谱仪 shows ads.

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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.*