Gauss Meter vs GST[AR]
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gauss Meter
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.
- Magnetic field measurement
- Real-time data plotting
- Multiple unit support
- Customizable alerts
- Map measurement points
- Data export to CSV
- Attach photos, videos, voice records
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This app is primarily used to measure magnetic field strength all around. It could also be used as a metal detector. This app contains the following features: 1) The magnetic field measured by this app is the total magnetic field in the device's vicinity without device bias (Earth's magnetic field plus surrounding fields, without device bias). 2) Plot the measured data in real time. 3) Multiple units supported: nT, µT, mT, mG and G. 4) Measurement duration and measurement frequency are customizable. 5) Users could set alert value to some level (Ex. 120 µT). When the measured magnetic field exceeds the alert value, it will alert users. 6) The location information of the measurement points could also be obtained, and all the measurement points could be shown in map. 7) All measured data could be exported as a csv format file for post process. 8) In addition, users could also add photos, videos and voice records to the measured data, and the photos, videos and voice records could be downloaded through iTunes.
GST[AR]
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.
- Browse geological models
- View models in AR
- Rotate and scale models
- Highlight model features
- Share AR sessions
- Customize AR settings
- Add custom model sources
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GST[AR] allows you to browse, download, view, and share geological models in augmented reality. Browse Browse through available models and their features to find a nice selection to present in AR. Models are retrieved from running instances of GST Web. Don’t worry, there are default sources added already, so you can get started right away. Hint: If you see a „Visit“ button near a section of models, you can tap it to learn more about the institution that provides these models for you! When you select a model, you will find a list of features waiting for you. Make your selection and off you go to the AR view. View As soon as the features are downloaded, you will be able to place them on any horizontal surface in AR. Use gestures or sliders to rotate and scale your model. Tap on individual parts to learn about their name or use the legend to even highlight individual features. Superelevation is available via sliders as well! Share When you have placed a feature selection in AR, you get the option to share your session with others! Use the share button to let other peers join your session, synchronize your worlds and you will be looking at the same model in no time. Changes to the model rotation, scale and location will be synced automatically between all peers in the session. Hold down on a model to place your marker to point towards the feature of interest or highlight a certain feature via the legend for all other peers. Settings and customization Customize your experience by changing a couple of settings. In the settings menu, you will have the possibility to change aspects of scaling, how high the models float above the surface or even enable such cool features like "people occlusion" that make your AR scene even more immersive! Furthermore, if you want to access models from a GST Web instance that is not present in the app, you have the possibility to add endpoints of your own.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Gauss Meter | GST[AR] |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 3.0 (10 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 75.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 10 — better | 1 |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 5 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | HUNG HSUN LIN | GiGa infosystems GmbH |
Customer experience
Gauss Meter
GST[AR]
In-app purchases
Gauss Meter
No in-app purchases
GST[AR]
No in-app purchases

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