# Polyhedron and Polyhedra Vol.1 vs Baselproblem

The clearest difference is price: Baselproblem at Free against Polyhedron and Polyhedra Vol.1's $2.99. Baselproblem also leads on device support (3 vs 1). Polyhedron and Polyhedra Vol.1's advantage is iOS requirement (13.0 vs 15.0). On update cadence, ads and in-app purchases there is nothing between them.

Baselproblem is free to download; Polyhedron and Polyhedra Vol.1 costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Polyhedron and Polyhedra Vol.1 ships an update every 15 months, Baselproblem every 11 months. The most recent releases landed on June 11, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Polyhedron and Polyhedra Vol.1 | Baselproblem |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/polyhedron-and-polyhedra-vol1/id1029485589/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 11 months** |
| Monetization | Paid | — |
| Size | 4 MB | 0 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Masahiko Fukuyama](https://appshunter.io/developer/595177290) | [Andreas Horvath](https://appshunter.io/developer/1484572340) |

## What reviewers say

### Polyhedron and Polyhedra Vol.1

[App page](https://appshunter.io/ios/app/polyhedron-and-polyhedra-vol1/id1029485589)

Explore and learn about various 3D geometric shapes, including platonic and archimedean solids. Interact with morphing models, customize colors, and view them from any angle. Discover fascinating artistic and eccentric forms.

**Highlights:** Interactive 3D model rotation, zoom, and pan, Morphing between different polyhedra, Customizable face colors and edge thickness, Display of polyhedron components, Links to Wikipedia for related information, Save PNG images of models

**Features:** macOS Compatibility

**In-app purchases:** none


### Baselproblem

[App page](https://appshunter.io/ios/app/baselproblem/id1484572342)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Polyhedron and Polyhedra Vol.1 free?

Polyhedron and Polyhedra Vol.1 costs $2.99, with no in-app purchases.

### Is Baselproblem free?

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

### Do Polyhedron and Polyhedra Vol.1 or Baselproblem have ads?

Neither Polyhedron and Polyhedra Vol.1 nor Baselproblem shows ads.

### Which is updated more often, Polyhedron and Polyhedra Vol.1 or Baselproblem?

Polyhedron and Polyhedra Vol.1 ships an update every 15 months, and Baselproblem every 11 months. Most recently, Polyhedron and Polyhedra Vol.1 was updated on June 11, 2026 and Baselproblem on September 10, 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.*