# GST[AR] vs Binary Code Toolkit

The clearest difference is price: GST[AR] at Free against Binary Code Toolkit's $1.99. GST[AR] also leads on update cadence (every 4 months vs every 37 months). Binary Code Toolkit's advantage is iOS requirement (13.2 vs 16.4). On ads, in-app purchases and device support there is nothing between them.

GST[AR] is free to download; Binary Code Toolkit costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GST[AR] ships an update every 4 months, Binary Code Toolkit every 37 months. The most recent releases landed on September 26, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | GST[AR] | Binary Code Toolkit |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gstar/id1519232314/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 37 months |
| Monetization | Free | — |
| Size | 2 MB | 10 MB |
| Requires iOS | 16.4 | **13.2** |
| Devices | **iPhone, iPad, iPod** | iPad, Apple TV |
| Age rating | 4+ | 4+ |
| Developer | [GiGa infosystems GmbH](https://appshunter.io/developer/1519232496) | [Ventura Educational Systems](https://appshunter.io/developer/371324172) |

## What reviewers say

### GST[AR]

[App page](https://appshunter.io/ios/app/gstar/id1519232314)

Explore and visualize geological models in augmented reality. Browse a selection of models, place them on any surface, and interact with them by rotating, scaling, and highlighting features. Share your AR sessions with others for collaborative exploration.

**Highlights:** Browse geological models, View models in AR, Rotate and scale models, Highlight model features, Share AR sessions, Customize AR settings, Add custom model sources

**In-app purchases:** none


### Binary Code Toolkit

[App page](https://appshunter.io/ios/app/binary-code-toolkit/id1602413528)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GST[AR] free?

GST[AR] is free to download, with no in-app purchases.

### Is Binary Code Toolkit free?

Binary Code Toolkit costs $1.99, with no in-app purchases.

### Do GST[AR] or Binary Code Toolkit have ads?

Neither GST[AR] nor Binary Code Toolkit shows ads.

### Which is updated more often, GST[AR] or Binary Code Toolkit?

GST[AR] ships an update every 4 months, and Binary Code Toolkit every 37 months. Most recently, GST[AR] was updated on September 26, 2026 and Binary Code Toolkit 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.*