# Pythagoras Interactive vs MARVLS

The clearest difference is rating: Pythagoras Interactive at 5.0 against MARVLS's 1.0. Pythagoras Interactive also leads on update cadence (every 2 weeks vs every 4 weeks) and iOS requirement (16.0 vs 18.0). On price, ratings volume, 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.

Pythagoras Interactive holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Pythagoras Interactive ships an update every 2 weeks, MARVLS every 4 weeks. The most recent releases landed on August 20, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Pythagoras Interactive | MARVLS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pythagoras-interactive/id6466731389/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/marvls-quantum-computing/id6740221029/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Monetization | Free | Free |
| Size | 1 MB | 168 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ALAN PETERSON](https://appshunter.io/developer/1436516782) | [Michele McColgan](https://appshunter.io/developer/1532617986) |

## What reviewers say

### Pythagoras Interactive

[App page](https://appshunter.io/ios/app/pythagoras-interactive/id6466731389)

Explore the Pythagorean Theorem with an interactive visual tool. Adjust triangle legs to observe real-time changes in square areas and hypotenuse length. Distances are displayed in radical form when necessary.

**Highlights:** Interactive triangle manipulation, Visual representation of squares on sides, Real-time updates to hypotenuse and areas, Radical form for distances, Clear labeling of sides and areas

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

**In-app purchases:** none


### 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 Pythagoras Interactive free?

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

### Is MARVLS free?

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

### Which has better reviews, Pythagoras Interactive or MARVLS?

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

### Do Pythagoras Interactive or MARVLS have ads?

Neither Pythagoras Interactive nor MARVLS shows ads.

### Which is updated more often, Pythagoras Interactive or MARVLS?

Pythagoras Interactive ships an update every 2 weeks, and MARVLS every 4 weeks. Most recently, Pythagoras Interactive was updated on August 20, 2026 and MARVLS on September 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.*