# Geometry!! vs Q8Cis

The clearest difference is in-app purchases: Q8Cis at none against Geometry!!'s 2. Q8Cis also leads on ads (none vs shown) and iOS requirement (16.6 vs 26.0). Geometry!!'s advantage is update cadence (every 7 months vs every 38 months). On price and device support there is nothing between them.

Both are free to download. Geometry!! sells 2 in-app purchases, starting at $0.99 per year. Q8Cis asks for nothing beyond the download.

Geometry!! ships an update every 7 months, Q8Cis every 38 months. The most recent releases landed on August 3, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Geometry!! | Q8Cis |
| --- | --- | --- |
| Price | Free | Free |
| 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 38 months |
| Monetization | Free with in-app purchases | — |
| Size | 57 MB | 10 MB |
| Requires iOS | 26.0 | **16.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Zbigniew Osada](https://appshunter.io/developer/911447642) | [Khaled Alsalem](https://appshunter.io/developer/1441688302) |

## 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 |


### Q8Cis

[App page](https://appshunter.io/ios/app/q8cis/id1444540855)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Geometry!! free?

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

### Is Q8Cis free?

Q8Cis is free to download, with no in-app purchases.

### Do Geometry!! or Q8Cis have ads?

Geometry!! shows ads; Q8Cis does not.

### Which is updated more often, Geometry!! or Q8Cis?

Geometry!! ships an update every 7 months, and Q8Cis every 38 months. Most recently, Geometry!! was updated on August 3, 2026 and Q8Cis 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.*