# GST[AR] vs GMDE Lite

The clearest difference is update cadence: GMDE Lite at every 3 weeks against GST[AR]'s every 4 months. On price, rating, ratings volume 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 GST[AR] against 5.0 for GMDE Lite. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

GST[AR] ships an update every 4 months, GMDE Lite every 3 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | GST[AR] | GMDE Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/gstar/id1519232314/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/gmde-lite/id1557325241/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 2 MB | 48 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GiGa infosystems GmbH](https://appshunter.io/developer/1519232496) | [Richard Allmendinger](https://appshunter.io/developer/1194772609) |

## 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


### GMDE Lite

[App page](https://appshunter.io/ios/app/gmde-lite/id1557325241)

This app allows users to record and visualize geological data, including points of interest, orientations, and contacts, on a map. It supports data exchange with other desktop and mobile applications and offers advanced tools for geological analysis and sketching.

**Highlights:** Record points of interest with photos and descriptions, Annotate photos and create digital sketches, Enter geological orientations via multiple methods, Import/export data from other geological software, Edit geological contacts by manipulating vertices, Use device as a rangefinder for plotting points, Display orientation data on stereographic projections

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

**In-app purchases:** none


## Frequently asked questions

### Is GST[AR] free?

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

### Is GMDE Lite free?

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

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

GST[AR] and GMDE Lite are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do GST[AR] or GMDE Lite have ads?

Neither GST[AR] nor GMDE Lite shows ads.

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

GST[AR] ships an update every 4 months, and GMDE Lite every 3 weeks. Most recently, GST[AR] was updated on November 3, 2026 and GMDE Lite on November 7, 2026.

---

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