# Calc Visualizer vs Polyhedron and Polyhedra Vol.2

The clearest difference is price: Calc Visualizer at Free against Polyhedron and Polyhedra Vol.2's $2.99. Calc Visualizer also leads on iOS requirement (8.0 vs 13.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Calc Visualizer 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.

Calc Visualizer ships an update every 44 months, Polyhedron and Polyhedra Vol.2 every 28 months. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Calc Visualizer | Polyhedron and Polyhedra Vol.2 |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/polyhedron-and-polyhedra-vol2/id1073494585/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 44 months | **Every 28 months** |
| Monetization | — | Paid |
| Size | 39 MB | 5 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Bretl](https://appshunter.io/developer/553850818) | [Masahiko Fukuyama](https://appshunter.io/developer/595177290) |

## What reviewers say

### Calc Visualizer

[App page](https://appshunter.io/ios/app/calc-visualizer/id890468108)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Calc Visualizer free?

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

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

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

### Do Calc Visualizer or Polyhedron and Polyhedra Vol.2 have ads?

Neither Calc Visualizer nor Polyhedron and Polyhedra Vol.2 shows ads.

### Which is updated more often, Calc Visualizer or Polyhedron and Polyhedra Vol.2?

Calc Visualizer ships an update every 44 months, and Polyhedron and Polyhedra Vol.2 every 28 months. Most recently, Calc Visualizer was updated on October 13, 2026 and Polyhedron and Polyhedra Vol.2 on October 11, 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.*