# Sirio2 vs Mobile Oscilloscope

The clearest difference is price: Sirio2 at Free against Mobile Oscilloscope's $1.99. Sirio2 also leads on iOS requirement (12.4 vs 15.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Sirio2 is free to download; Mobile Oscilloscope costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sirio2 ships an update every 16 months, Mobile Oscilloscope every 30 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Sirio2 | Mobile Oscilloscope |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| 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 16 months** | Every 30 months |
| Monetization | — | Paid |
| Size | 106 MB | 2 MB |
| Requires iOS | **12.4** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [NewPhone GmbH](https://appshunter.io/developer/1003721659) | [怀卫 张](https://appshunter.io/developer/1252544375) |

## What reviewers say

### Sirio2

[App page](https://appshunter.io/ios/app/sirio2/id1003721660)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Sirio2 free?

Sirio2 is free to download, with no in-app purchases.

### Is Mobile Oscilloscope free?

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

### Do Sirio2 or Mobile Oscilloscope have ads?

Neither Sirio2 nor Mobile Oscilloscope shows ads.

### Which is updated more often, Sirio2 or Mobile Oscilloscope?

Sirio2 ships an update every 16 months, and Mobile Oscilloscope every 30 months. Most recently, Sirio2 was updated on November 1, 2026 and Mobile Oscilloscope on November 2, 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.*