# Physics Toolbox Magnetometer vs Stereonet Mobile

The clearest difference is rating: Physics Toolbox Magnetometer at 5.0 against Stereonet Mobile's 4.5. Stereonet Mobile's advantage is in-app purchases (none vs 1) and update cadence (monthly vs every 13 months). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Physics Toolbox Magnetometer sells 1 one-off in-app purchase. Stereonet Mobile asks for nothing beyond the download.

Physics Toolbox Magnetometer holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 7 and 13 respectively. Written reviews point the same way: 80% of Physics Toolbox Magnetometer's written reviews are positive against 73% of Stereonet Mobile's.

Physics Toolbox Magnetometer ships an update every 13 months, Stereonet Mobile monthly. The most recent releases landed on October 19, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Physics Toolbox Magnetometer | Stereonet Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/physics-toolbox-magnetometer/id1003749103/reviews)** | [4.5 (13 ratings)](https://appshunter.io/ios/app/stereonet-mobile/id1194772610/reviews) |
| Number of ratings | 7 | **13** |
| Positive reviews | **80.0% of reviews** | 72.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 13 months | **Monthly** |
| Monetization | Free | Free |
| Size | 17 MB | 29 MB |
| Requires iOS | 17.1 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chrystian Vieyra](https://appshunter.io/developer/998187453) | [Richard Allmendinger](https://appshunter.io/developer/1194772609) |

## What reviewers say

### Physics Toolbox Magnetometer

[App page](https://appshunter.io/ios/app/physics-toolbox-magnetometer/id1003749103)

This app transforms your iPhone into a precise scientific instrument for measuring, visualizing, and recording magnetic fields. Explore magnetic field vectors, magnitudes, and compass headings with real-time charts and digital readouts. Ideal for educational experiments, lab work, or curious exploration.

**Highlights:** Real-time magnetic field vector and magnitude display, Chart, digital, and compass viewing modes, Data recording and CSV export, Adjustable sample rate (1-100 Hz), Signal filters for noise reduction, Detection of permanent and electromagnetic fields

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $2.99 | one-time |


### Stereonet Mobile

[App page](https://appshunter.io/ios/app/stereonet-mobile/id1194772610)

This app assists geologists in collecting, visualizing, and analyzing geological orientation data. It offers automatic data entry using device sensors and augmented reality, manual input options, and various plotting and calculation tools for geological features.

**Highlights:** Automatic data entry via device orientation, Augmented reality for strike and dip measurement, Manual data entry via stereonet or text fields, Plotting of lines and planes with user-defined types, Basic geological calculations (rotations, angles, slope stability), Plotting of mean vectors, rose diagrams, and contour lines, View plots from any orientation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Physics Toolbox Magnetometer free?

Physics Toolbox Magnetometer is free to download, with in-app purchases available.

### Is Stereonet Mobile free?

Stereonet Mobile is free to download, with no in-app purchases.

### Which has better reviews, Physics Toolbox Magnetometer or Stereonet Mobile?

Physics Toolbox Magnetometer is rated higher. Physics Toolbox Magnetometer averages 5.0 out of 5 from 7 ratings, while Stereonet Mobile averages 4.5 from 13 ratings.

### Do Physics Toolbox Magnetometer or Stereonet Mobile have ads?

Neither Physics Toolbox Magnetometer nor Stereonet Mobile shows ads.

### Which is updated more often, Physics Toolbox Magnetometer or Stereonet Mobile?

Physics Toolbox Magnetometer ships an update every 13 months, and Stereonet Mobile monthly. Most recently, Physics Toolbox Magnetometer was updated on October 19, 2026 and Stereonet Mobile on October 12, 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.*