# Polyhedron and Polyhedra Vol.2 vs Genetic Algorithms

The clearest difference is price: Genetic Algorithms at Free against Polyhedron and Polyhedra Vol.2's $2.99. Genetic Algorithms also leads on rating (5.0 vs 4.3) and update cadence (every 7 months vs every 28 months). Polyhedron and Polyhedra Vol.2's advantage is ratings volume (3 vs 1). On review sentiment, ads, in-app purchases and iOS requirement there is nothing between them.

Genetic Algorithms is free to download; Polyhedron and Polyhedra Vol.2 costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Genetic Algorithms holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Polyhedron and Polyhedra Vol.2 ships an update every 28 months, Genetic Algorithms every 7 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Polyhedron and Polyhedra Vol.2 | Genetic Algorithms |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/polyhedron-and-polyhedra-vol2/id1073494585/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/genetic-algorithms/id1571375136/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 7 months** |
| Monetization | Paid | **Free** |
| Size | 5 MB | 20 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Masahiko Fukuyama](https://appshunter.io/developer/595177290) | [Ilona Kosinska](https://appshunter.io/developer/1538804529) |

## What reviewers say

### Polyhedron and Polyhedra Vol.2

[App page](https://appshunter.io/ios/app/polyhedron-and-polyhedra-vol2/id1073494585)

Explore and learn about complex 3D mathematical solids, including star polyhedra and their compounds. Interact with these abstract shapes through intuitive touch gestures, customize their appearance with various colors and patterns, and view them from any angle.

**Highlights:** Interactive 3D model rotation, zoom, and pan, Toggle visibility of faces and components, Adjustable edge thickness and color, Extensive library of polyhedral compounds, Customizable face color patterns, Access to Wikipedia for related information, Save PNG images of models

**Features:** macOS Compatibility

**In-app purchases:** none


### Genetic Algorithms

[App page](https://appshunter.io/ios/app/genetic-algorithms/id1571375136)

Explore optimization techniques inspired by natural selection. Design fitness functions, simulate genetic processes with animations, and analyze statistical data. Save and share simulation results.

**Highlights:** Natural selection and heredity mechanisms, Reproduction, crossing, and mutation operations, Design fitness function scaling patterns, Preliminary statistical data analysis, Visualize genetic processes with animations, Save and share simulation data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Polyhedron and Polyhedra Vol.2 free?

Polyhedron and Polyhedra Vol.2 costs $2.99, with no in-app purchases.

### Is Genetic Algorithms free?

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

### Which has better reviews, Polyhedron and Polyhedra Vol.2 or Genetic Algorithms?

Genetic Algorithms is rated higher. Polyhedron and Polyhedra Vol.2 averages 4.3 out of 5 from 3 ratings, while Genetic Algorithms averages 5.0 from 1 ratings.

### Do Polyhedron and Polyhedra Vol.2 or Genetic Algorithms have ads?

Neither Polyhedron and Polyhedra Vol.2 nor Genetic Algorithms shows ads.

### Which is updated more often, Polyhedron and Polyhedra Vol.2 or Genetic Algorithms?

Polyhedron and Polyhedra Vol.2 ships an update every 28 months, and Genetic Algorithms every 7 months. Most recently, Polyhedron and Polyhedra Vol.2 was updated on November 2, 2026 and Genetic Algorithms on November 3, 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.*