# iMSO2 vs ArchFlowy

The clearest difference is in-app purchases: iMSO2 at none against ArchFlowy's 1. iMSO2 also leads on iOS requirement (11.0 vs 18.2). ArchFlowy's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. ArchFlowy sells 1 in-app purchase, starting at $1.99 per month. iMSO2 asks for nothing beyond the download.

iMSO2 ships an update every 2 months, ArchFlowy every 2 weeks. Both last shipped on October 13, 2026.

## The numbers

| Metric | iMSO2 | ArchFlowy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/imso2/id658508510/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 11 MB | 3 MB |
| Requires iOS | **11.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Oscium LLC](https://appshunter.io/developer/411757369) | [Timmy Nguyen](https://appshunter.io/developer/1725059991) |

## What reviewers say

### iMSO2

[App page](https://appshunter.io/ios/app/imso2/id658508510)

Analyze analog and digital signals on your mobile device using specialized hardware. Offers a demo mode for simulated wave display and measurements, with full functionality unlocked by purchasing the iMSO-204 mixed signal oscilloscope hardware.

**Highlights:** Analyze analog and digital signals, Simulated wave display, Cursors with measurements, Direct signal measurements, Analog and digital triggering, Hardware integration

**Features:** macOS Compatibility

**In-app purchases:** none


### ArchFlowy

[App page](https://appshunter.io/ios/app/archflowy/id6757314902)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |


## Frequently asked questions

### Is iMSO2 free?

iMSO2 is free to download, with no in-app purchases.

### Is ArchFlowy free?

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

### Do iMSO2 or ArchFlowy have ads?

Neither iMSO2 nor ArchFlowy shows ads.

### Which is updated more often, iMSO2 or ArchFlowy?

iMSO2 ships an update every 2 months, and ArchFlowy every 2 weeks. Most recently, iMSO2 was updated on October 13, 2026 and ArchFlowy on October 13, 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.*