# GeoFieldBook vs GST[AR]

GeoFieldBook and GST[AR] both sit at 5.0 stars, but that hides the real split: 100% of GST[AR]'s written reviews are positive against 0% of GeoFieldBook's. GST[AR] also leads on update cadence (every 4 months vs every 14 months) and device support (3 vs 1). GeoFieldBook's advantage is iOS requirement (14.5 vs 16.4). 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 GeoFieldBook against 5.0 for GST[AR]. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 0% of GeoFieldBook's written reviews are positive against 100% of GST[AR]'s.

GeoFieldBook ships an update every 14 months, GST[AR] every 4 months. The most recent releases landed on October 14, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | GeoFieldBook | GST[AR] |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/geofieldbook/id526812324/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/gstar/id1519232314/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 9 MB | 2 MB |
| Requires iOS | **14.5** | 16.4 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lafayette](https://appshunter.io/developer/526812327) | [GiGa infosystems GmbH](https://appshunter.io/developer/1519232496) |

## What reviewers say

### GeoFieldBook

[App page](https://appshunter.io/ios/app/geofieldbook/id526812324)

This app digitizes geological field mapping, replacing paper notebooks. It uses the iPad's GPS and camera to log structural and formation data, link images, and display real-time maps with oriented strikes and dips. Data can be exported for analysis.

**Highlights:** Digital field notebook, GPS-enabled data logging, Image linking to records, Real-time map display, Export data in CSV format, Import existing datasets

**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 GeoFieldBook free?

GeoFieldBook 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, GeoFieldBook or GST[AR]?

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

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

Neither GeoFieldBook nor GST[AR] shows ads.

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

GeoFieldBook ships an update every 14 months, and GST[AR] every 4 months. Most recently, GeoFieldBook was updated on October 14, 2026 and GST[AR] on October 26, 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.*