# Gauss Meter vs GST[AR]

The clearest difference is price: GST[AR] at Free against Gauss Meter's $1.99. GST[AR] also leads on rating (5.0 vs 3.0) and review sentiment (100% vs 75%). Gauss Meter's advantage is ratings volume (10 vs 1) and update cadence (every 2 months vs every 4 months). On ads, in-app purchases and device support there is nothing between them.

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

GST[AR] holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: Gauss Meter has 10 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 75% of Gauss Meter's written reviews are positive against 100% of GST[AR]'s.

Gauss Meter ships an update every 2 months, GST[AR] every 4 months. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Gauss Meter | GST[AR] |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [3.0 (10 ratings)](https://appshunter.io/ios/app/gauss-meter/id698042661/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gstar/id1519232314/reviews)** |
| Number of ratings | **10** | 1 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Paid | **Free** |
| Size | 5 MB | 2 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HUNG HSUN LIN](https://appshunter.io/developer/482586427) | [GiGa infosystems GmbH](https://appshunter.io/developer/1519232496) |

## What reviewers say

### Gauss Meter

[App page](https://appshunter.io/ios/app/gauss-meter/id698042661)

Measure magnetic field strength and detect metals using your device's sensors. Visualize data in real-time, customize alerts, and map measurement points. Export data and attach media for detailed analysis.

**Highlights:** Magnetic field measurement, Real-time data plotting, Multiple unit support, Customizable alerts, Map measurement points, Data export to CSV, Attach photos, videos, voice records

**Features:** Vision Pro support

**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 Gauss Meter free?

Gauss Meter costs $1.99, with no in-app purchases.

### Is GST[AR] free?

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

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

GST[AR] is rated higher. Gauss Meter averages 3.0 out of 5 from 10 ratings, while GST[AR] averages 5.0 from 1 ratings.

### Do Gauss Meter or GST[AR] have ads?

Neither Gauss Meter nor GST[AR] shows ads.

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

Gauss Meter ships an update every 2 months, and GST[AR] every 4 months. Most recently, Gauss Meter was updated on October 29, 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.*