# StraboTools vs GST[AR]

The clearest difference is ratings volume: StraboTools at 10 against GST[AR]'s 1. StraboTools also leads on iOS requirement (12.0 vs 16.4). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for StraboTools against 5.0 for GST[AR]. That said, the two scores are not equally well evidenced: StraboTools has 10 ratings behind it against 1, so its average is the more settled of the two.

StraboTools ships an update every 2 months, GST[AR] every 4 months. The most recent releases landed on September 18, 2026 and July 7, 2026 respectively.

## The numbers

| Metric | StraboTools | GST[AR] |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (10 ratings)](https://appshunter.io/ios/app/strabotools/id1496239162/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/gstar/id1519232314/reviews) |
| Number of ratings | **10** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 14 MB | 2 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The University of Kansas](https://appshunter.io/developer/726307325) | [GiGa infosystems GmbH](https://appshunter.io/developer/1519232496) |

## What reviewers say

### StraboTools

[App page](https://appshunter.io/ios/app/strabotools/id1496239162)

This app assists geologists in the field by analyzing photographs to provide quantitative data on rock fabric and mineral composition. It offers tools for measuring fabric orientation, determining color index, and detecting edges in rock images.

**Highlights:** Edge Fabric tool for orientation analysis, Color Index tool for mineral composition, Edge detection filter, Analyzes photos in-app or imported, Useful for plutonic and other rock types, Supports thin section study

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is StraboTools free?

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

### Is GST[AR] free?

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

### Which has better reviews, StraboTools or GST[AR]?

StraboTools and GST[AR] are both rated 5.0 out of 5 on the App Store, from 10 and 1 ratings respectively.

### Do StraboTools or GST[AR] have ads?

Neither StraboTools nor GST[AR] shows ads.

### Which is updated more often, StraboTools or GST[AR]?

StraboTools ships an update every 2 months, and GST[AR] every 4 months. Most recently, StraboTools was updated on September 18, 2026 and GST[AR] on July 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*