# Root Locus Plotter vs Resonant Quantum Mechanics

The clearest difference is update cadence: Resonant Quantum Mechanics at weekly against Root Locus Plotter's every 3 months. Root Locus Plotter's advantage is iOS requirement (15.0 vs 17.0). 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.

Root Locus Plotter ships an update every 3 months, Resonant Quantum Mechanics weekly. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Root Locus Plotter | Resonant Quantum Mechanics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/resonant-quantum-mechanics/id6771489975/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Free |
| Size | 30 MB | 144 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sthefano Schiavon](https://appshunter.io/developer/1882733645) | [RQM Technologies LLC](https://appshunter.io/developer/6771489977) |

## What reviewers say

### Root Locus Plotter

[App page](https://appshunter.io/ios/app/root-locus-plotter/id6760122394)

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

**In-app purchases:** none


### Resonant Quantum Mechanics

[App page](https://appshunter.io/ios/app/resonant-quantum-mechanics/id6771489975)

Explore quantum mechanics through interactive 3D visuals and guided lessons. This educational app uses geometry and quaternions to explain complex concepts like quantum states, hydrogen, and the periodic table. No login is required for this visual learning experience.

**Highlights:** Interactive 3D visuals, Guided lessons, Geometric approach to quantum mechanics, Explains quaternions and quantum states, Covers hydrogen and periodic table, No login required

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

**In-app purchases:** none


## Frequently asked questions

### Is Root Locus Plotter free?

Root Locus Plotter is free to download, with no in-app purchases.

### Is Resonant Quantum Mechanics free?

Resonant Quantum Mechanics is free to download, with no in-app purchases.

### Do Root Locus Plotter or Resonant Quantum Mechanics have ads?

Neither Root Locus Plotter nor Resonant Quantum Mechanics shows ads.

### Which is updated more often, Root Locus Plotter or Resonant Quantum Mechanics?

Root Locus Plotter ships an update every 3 months, and Resonant Quantum Mechanics weekly. Most recently, Root Locus Plotter was updated on October 24, 2026 and Resonant Quantum Mechanics on October 9, 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.*