# MARVLS vs Quantum Bob

The clearest difference is rating: Quantum Bob at 5.0 against MARVLS's 1.0. Quantum Bob also leads on review sentiment (100% vs 67%) and update cadence (every 2 days vs every 4 weeks). MARVLS's advantage is iOS requirement (18.0 vs 26.2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Quantum Bob holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Quantum Bob has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 67% of MARVLS's written reviews are positive against 100% of Quantum Bob's.

MARVLS ships an update every 4 weeks, Quantum Bob every 2 days. The most recent releases landed on September 27, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | MARVLS | Quantum Bob |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/marvls-quantum-computing/id6740221029/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/quantum-bob/id6759178420/reviews)** |
| Number of ratings | 1 | **5** |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 days** |
| Monetization | Free | Free |
| Size | 168 MB | 13 MB |
| Requires iOS | **18.0** | 26.2 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Michele McColgan](https://appshunter.io/developer/1532617986) | [SquatchCraft LLC](https://appshunter.io/developer/1440325922) |

## What reviewers say

### 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


### Quantum Bob

[App page](https://appshunter.io/ios/app/quantum-bob/id6759178420)

Engage with real quantum physics experiments by predicting measurement outcomes from actual quantum computer data. Compete against an AI leveraging quantum entanglement and discover the quantum advantage through interactive gameplay and lessons.

**Highlights:** Real quantum measurement data, Compete against quantum AI, Local multiplayer, Interactive lessons, Progress tracking, Statistical proof tests

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MARVLS free?

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

### Is Quantum Bob free?

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

### Which has better reviews, MARVLS or Quantum Bob?

Quantum Bob is rated higher. MARVLS averages 1.0 out of 5 from 1 ratings, while Quantum Bob averages 5.0 from 5 ratings.

### Do MARVLS or Quantum Bob have ads?

Neither MARVLS nor Quantum Bob shows ads.

### Which is updated more often, MARVLS or Quantum Bob?

MARVLS ships an update every 4 weeks, and Quantum Bob every 2 days. Most recently, MARVLS was updated on September 27, 2026 and Quantum Bob on October 4, 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.*