# Quantum Retriever vs Resonant Quantum Mechanics

The clearest difference is iOS requirement: Quantum Retriever at 15.1 against Resonant Quantum Mechanics's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Quantum Retriever ships an update every 9 days, Resonant Quantum Mechanics weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | Quantum Retriever | 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 9 days | **Weekly** |
| Monetization | — | Free |
| Size | 27 MB | 144 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [James Beach](https://appshunter.io/developer/1879362223) | [RQM Technologies LLC](https://appshunter.io/developer/6771489977) |

## What reviewers say

### Quantum Retriever

[App page](https://appshunter.io/ios/app/quantum-retriever/id6759576344)

**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 Quantum Retriever free?

Quantum Retriever 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 Quantum Retriever or Resonant Quantum Mechanics have ads?

Neither Quantum Retriever nor Resonant Quantum Mechanics shows ads.

### Which is updated more often, Quantum Retriever or Resonant Quantum Mechanics?

Quantum Retriever ships an update every 9 days, and Resonant Quantum Mechanics weekly. Most recently, Quantum Retriever was updated on October 31, 2026 and Resonant Quantum Mechanics on October 31, 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.*