# Iso2Ortho vs GeoGebra 3D Calculator

The clearest difference is review sentiment: GeoGebra 3D Calculator at 66% against Iso2Ortho's 0%. GeoGebra 3D Calculator also leads on in-app purchases (none vs 1) and update cadence (monthly vs every 12 months). Iso2Ortho's advantage is iOS requirement (9.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Iso2Ortho sells 1 one-off in-app purchase. GeoGebra 3D Calculator asks for nothing beyond the download.

Iso2Ortho ships an update every 12 months, GeoGebra 3D Calculator monthly. The most recent releases landed on October 12, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Iso2Ortho | GeoGebra 3D Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (52 ratings)](https://appshunter.io/ios/app/geogebra-3d-calculator/id1445871976/reviews)** |
| Number of ratings | — | **52** |
| Positive reviews | 0.0% of reviews | **65.8% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 12 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 181 MB | 105 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Roth Educational Services (PTY) LTD](https://appshunter.io/developer/623190971) | [GeoGebra GmbH](https://appshunter.io/developer/1580697096) |

## What reviewers say

### Iso2Ortho

[App page](https://appshunter.io/ios/app/iso2ortho/id623190828)

This app offers a tool for projecting isometric models to display four orthographic views, automatically updating as you switch between 1st and 3rd angle projections. It also includes an educational game designed to reinforce understanding of orthographic view positioning through challenges and scoring.

**Highlights:** Isometric to orthographic projection tool, Automatic view updates, 1st and 3rd angle projection switching, Educational game for view positioning, Scoring based on correctness and speed, Level progression system

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Shapes | $1.99 | one-time |


### 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


## Frequently asked questions

### Is Iso2Ortho free?

Iso2Ortho is free to download, with in-app purchases available.

### Is GeoGebra 3D Calculator free?

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

### Do Iso2Ortho or GeoGebra 3D Calculator have ads?

Neither Iso2Ortho nor GeoGebra 3D Calculator shows ads.

### Which is updated more often, Iso2Ortho or GeoGebra 3D Calculator?

Iso2Ortho ships an update every 12 months, and GeoGebra 3D Calculator monthly. Most recently, Iso2Ortho was updated on October 12, 2026 and GeoGebra 3D Calculator on October 27, 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.*