# GeoGebra 3D Calculator vs Or Simplex Step

The clearest difference is in-app purchases: GeoGebra 3D Calculator at none against Or Simplex Step's 1. GeoGebra 3D Calculator also leads on ads (none vs shown). Or Simplex Step's advantage is update cadence (every 10 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Or Simplex Step sells 1 one-off in-app purchase. GeoGebra 3D Calculator asks for nothing beyond the download.

GeoGebra 3D Calculator ships an update monthly, Or Simplex Step every 10 days. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | GeoGebra 3D Calculator | Or Simplex Step |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (52 ratings)](https://appshunter.io/ios/app/geogebra-3d-calculator/id1445871976/reviews)** | — |
| Number of ratings | **52** | — |
| Positive reviews | 65.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Free | — |
| Size | 105 MB | 45 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [GeoGebra GmbH](https://appshunter.io/developer/1580697096) | [Bohdan Bezpartochnyi](https://appshunter.io/developer/1850325090) |

## What reviewers say

### GeoGebra 3D Calculator

[App page](https://appshunter.io/ios/app/geogebra-3d-calculator/id1445871976)

This application allows users to solve 3D math problems, graph functions and surfaces, and create geometric constructions in 3D. It features augmented reality to place math objects in the real world and offers access to free learning activities.

**Highlights:** 3D function and surface plotting, Create 3D geometric objects, Augmented Reality integration, Interactive sliders and graphs, Access to learning activities, Save and share constructions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Or Simplex Step

[App page](https://appshunter.io/ios/app/or-simplex-step-by-step-solver/id6816232479)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OR Commented Pro | $2.99 | one-time |


## Frequently asked questions

### Is GeoGebra 3D Calculator free?

GeoGebra 3D Calculator is free to download, with no in-app purchases.

### Is Or Simplex Step free?

Or Simplex Step is free to download, with in-app purchases available.

### Do GeoGebra 3D Calculator or Or Simplex Step have ads?

Or Simplex Step shows ads; GeoGebra 3D Calculator does not.

### Which is updated more often, GeoGebra 3D Calculator or Or Simplex Step?

GeoGebra 3D Calculator ships an update monthly, and Or Simplex Step every 10 days. Most recently, GeoGebra 3D Calculator was updated on November 3, 2026 and Or Simplex Step on October 24, 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.*