# Quantum Mechanics + vs MARVLS

The clearest difference is rating: Quantum Mechanics + at 4.8 against MARVLS's 1.0. Quantum Mechanics + also leads on review sentiment (100% vs 67%) and update cadence (daily vs every 4 weeks). MARVLS's advantage is in-app purchases (none vs 1). On price, ads and monetization model there is nothing between them.

Both are free to download. Quantum Mechanics + sells 1 one-off in-app purchase. MARVLS asks for nothing beyond the download.

Quantum Mechanics + holds the better App Store score, 4.8 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 100% of Quantum Mechanics +'s written reviews are positive against 67% of MARVLS's.

Quantum Mechanics + ships an update daily, MARVLS every 4 weeks. The most recent releases landed on October 3, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Quantum Mechanics + | MARVLS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/quantum-mechanics-plus/id1563289836/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/marvls-quantum-computing/id6740221029/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 weeks |
| Monetization | Free | Free |
| Size | 1 MB | 168 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Peter Kramer](https://appshunter.io/developer/348619994) | [Michele McColgan](https://appshunter.io/developer/1532617986) |

## What reviewers say

### Quantum Mechanics +

[App page](https://appshunter.io/ios/app/quantum-mechanics-plus/id1563289836)

Explore quantum physics by numerically solving the Schrodinger Wave Equation. Visualize bound states and wave packets with various potentials, ideal for educational demonstrations. Accurately calculate energy values and observe quantum phenomena like tunneling.

**Highlights:** Solve Schrodinger's Wave Equation, Visualize bound states and wave packets, Simulate various potentials (Harmonic Oscillator, Square Well, etc.), Observe quantum phenomena (Ramsauer-Townsend effect, tunneling), Accurate energy value calculation, Educational tool for introductory courses

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Contribution | $0.99 | one-time |


### MARVLS

[App page](https://appshunter.io/ios/app/marvls-quantum-computing/id6740221029)

Explore quantum computing concepts through interactive augmented reality models. Requires a Merge Cube to visualize and manipulate topics like superposition and entanglement. Navigate through various educational modules to deepen your understanding.

**Highlights:** Augmented reality visualization, Interactive quantum concepts, Merge Cube integration, Topics: superposition, entanglement, qubits, Logic gates visualization, Nuclear and electron spin models

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Quantum Mechanics + free?

Quantum Mechanics + is free to download, with in-app purchases available.

### Is MARVLS free?

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

### Which has better reviews, Quantum Mechanics + or MARVLS?

Quantum Mechanics + is rated higher. Quantum Mechanics + averages 4.8 out of 5 from 4 ratings, while MARVLS averages 1.0 from 1 ratings.

### Do Quantum Mechanics + or MARVLS have ads?

Neither Quantum Mechanics + nor MARVLS shows ads.

### Which is updated more often, Quantum Mechanics + or MARVLS?

Quantum Mechanics + ships an update daily, and MARVLS every 4 weeks. Most recently, Quantum Mechanics + was updated on October 3, 2026 and MARVLS on September 27, 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.*