# Pitagorín! vs Quantum Interpretations

The clearest difference is price: Quantum Interpretations at Free against Pitagorín!'s $0.99. Quantum Interpretations also leads on review sentiment (100% vs 67%) and update cadence (every 9 months vs every 19 months). On rating, ads, in-app purchases and device support there is nothing between them.

Quantum Interpretations is free to download; Pitagorín! costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Pitagorín! against 5.0 for Quantum Interpretations. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews are what separate them: 67% of Pitagorín!'s written reviews are positive against 100% of Quantum Interpretations's.

Pitagorín! ships an update every 19 months, Quantum Interpretations every 9 months. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Pitagorín! | Quantum Interpretations |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/pitagorin/id347664740/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/quantum-interpretations/id6747673105/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 9 months** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 53 MB |
| Requires iOS | **16.4** | 17.2 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ivan Cabezon Orjales](https://appshunter.io/developer/347664743) | [Aleksandr Shuiskov](https://appshunter.io/developer/1807440595) |

## What reviewers say

### Pitagorín!

[App page](https://appshunter.io/ios/app/pitagorin/id347664740)

This app assists with mathematical calculations, specifically the Pythagorean theorem and the rule of three. It has been rebuilt from the ground up for improved functionality.

**Highlights:** Pythagorean theorem calculation, Rule of three calculation, Rebuilt from scratch, Educational tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Quantum Interpretations

[App page](https://appshunter.io/ios/app/quantum-interpretations/id6747673105)

Explore the complex world of quantum mechanics interpretations with this pocket guide. It simplifies each concept with summaries, explanations, pros and cons, and engaging facts. Test your knowledge with quizzes and visualize the ideas.

**Highlights:** Simplified explanations of quantum interpretations, Pros and cons analysis, Key figures and pop culture references, Knowledge quizzes, Visual illustrations, Further reading resources

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pitagorín! free?

Pitagorín! costs $0.99, with no in-app purchases.

### Is Quantum Interpretations free?

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

### Which has better reviews, Pitagorín! or Quantum Interpretations?

Pitagorín! and Quantum Interpretations are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do Pitagorín! or Quantum Interpretations have ads?

Neither Pitagorín! nor Quantum Interpretations shows ads.

### Which is updated more often, Pitagorín! or Quantum Interpretations?

Pitagorín! ships an update every 19 months, and Quantum Interpretations every 9 months. Most recently, Pitagorín! was updated on September 24, 2026 and Quantum Interpretations on September 23, 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.*