# GST[AR] vs Learn About Minerals

The clearest difference is review sentiment: GST[AR] at 100% against Learn About Minerals's 0%. GST[AR] also leads on rating (5.0 vs 3.7) and in-app purchases (none vs 1). Learn About Minerals's advantage is update cadence (every 5 weeks vs every 4 months) and ratings volume (3 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Learn About Minerals sells 1 one-off in-app purchase. GST[AR] asks for nothing beyond the download.

GST[AR] holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 100% of GST[AR]'s written reviews are positive against 0% of Learn About Minerals's.

GST[AR] ships an update every 4 months, Learn About Minerals every 5 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | GST[AR] | Learn About Minerals |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gstar/id1519232314/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/learn-about-minerals/id6446815895/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 31 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GiGa infosystems GmbH](https://appshunter.io/developer/1519232496) | [Ghumman Tech LLC](https://appshunter.io/developer/1671347750) |

## 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


### Learn About Minerals

[App page](https://appshunter.io/ios/app/learn-about-minerals/id6446815895)

This educational app helps users memorize and identify common minerals through interactive study modes and quizzes. It features audio pronunciation for mineral names and allows bookmarking of study materials and quiz questions for focused learning.

**Highlights:** Mineral identification, Audio pronunciation, Study modes, Quizzes, Bookmarking, Progress tracking

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |


## Frequently asked questions

### Is GST[AR] free?

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

### Is Learn About Minerals free?

Learn About Minerals is free to download, with in-app purchases available.

### Which has better reviews, GST[AR] or Learn About Minerals?

GST[AR] is rated higher. GST[AR] averages 5.0 out of 5 from 1 ratings, while Learn About Minerals averages 3.7 from 3 ratings.

### Do GST[AR] or Learn About Minerals have ads?

Neither GST[AR] nor Learn About Minerals shows ads.

### Which is updated more often, GST[AR] or Learn About Minerals?

GST[AR] ships an update every 4 months, and Learn About Minerals every 5 weeks. Most recently, GST[AR] was updated on November 3, 2026 and Learn About Minerals on November 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.*