# Geometry!! vs calcMod

The clearest difference is price: Geometry!! at Free against calcMod's $1.99. Geometry!! also leads on update cadence (every 7 months vs every 36 months). calcMod's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

Geometry!! is free to download; calcMod costs $1.99 up front. Geometry!! sells 2 in-app purchases, starting at $0.99 per year. calcMod asks for nothing beyond the download.

Geometry!! ships an update every 7 months, calcMod every 36 months. The most recent releases landed on September 28, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Geometry!! | calcMod |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.5 (56 ratings)](https://appshunter.io/ios/app/geometry/id914997126/reviews)** | — |
| Number of ratings | **56** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 7 months** | Every 36 months |
| Monetization | Free with in-app purchases | — |
| Size | 57 MB | 1 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Zbigniew Osada](https://appshunter.io/developer/911447642) | [Alain Cardinaux](https://appshunter.io/developer/1443066124) |

## What reviewers say

### Geometry!!

[App page](https://appshunter.io/ios/app/geometry/id914997126)

Learn geometry with interactive 2D and 3D visualizations. This app offers automatic calculations for area, perimeter, and volume, along with trigonometric values. It's designed for students, teachers, and math enthusiasts to make learning math engaging and accessible.

**Highlights:** Interactive 3D visualizations, 2D and 3D shape details, Automatic area, perimeter, volume calculations, Trigonometric values, Modern, optimized interface

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly | $0.99 | per year |
| Lifetime | $1.99 | one-time |


### calcMod

[App page](https://appshunter.io/ios/app/calcmod-blk/id1445938178)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Geometry!! free?

Geometry!! is free to download, with in-app purchases available.

### Is calcMod free?

calcMod costs $1.99, with no in-app purchases.

### Do Geometry!! or calcMod have ads?

Geometry!! shows ads; calcMod does not.

### Which is updated more often, Geometry!! or calcMod?

Geometry!! ships an update every 7 months, and calcMod every 36 months. Most recently, Geometry!! was updated on September 28, 2026 and calcMod on October 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.*