# Nyquist App vs OLPPS Mobile App v2

The clearest difference is update cadence: Nyquist App at every 10 months against OLPPS Mobile App v2's every 43 months. Nyquist App also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Nyquist App ships an update every 10 months, OLPPS Mobile App v2 every 43 months. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Nyquist App | OLPPS Mobile App v2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nyquist-app/id1444291209/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 43 months |
| Monetization | Free | — |
| Size | 22 MB | 49 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Patricia Pauli](https://appshunter.io/developer/1587769862) | [Livro Systems Incorporated](https://appshunter.io/developer/1896544025) |

## What reviewers say

### Nyquist App

[App page](https://appshunter.io/ios/app/nyquist-app/id1444291209)

Practice the Nyquist stability criterion to determine closed-loop stability from open-loop frequency response. Developed for an introductory control engineering course, this app offers self-contained content for anyone interested in the topic.

**Highlights:** Nyquist stability criterion practice, Determine closed-loop stability, Frequency response analysis, Self-contained educational content, Developed for control engineering course

**Features:** macOS Compatibility

**In-app purchases:** none


### OLPPS Mobile App v2

[App page](https://appshunter.io/ios/app/olpps-mobile-app-v2/id1477021028)

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

**In-app purchases:** none


## Frequently asked questions

### Is Nyquist App free?

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

### Is OLPPS Mobile App v2 free?

OLPPS Mobile App v2 is free to download, with no in-app purchases.

### Do Nyquist App or OLPPS Mobile App v2 have ads?

Neither Nyquist App nor OLPPS Mobile App v2 shows ads.

### Which is updated more often, Nyquist App or OLPPS Mobile App v2?

Nyquist App ships an update every 10 months, and OLPPS Mobile App v2 every 43 months. Most recently, Nyquist App was updated on October 2, 2026 and OLPPS Mobile App v2 on October 7, 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.*