# Physics Toolbox Magnetometer vs Imaging Stress Task

The clearest difference is in-app purchases: Imaging Stress Task at none against Physics Toolbox Magnetometer's 1. On price, ads, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Physics Toolbox Magnetometer | Imaging Stress Task |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/physics-toolbox-magnetometer/id1003749103/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 13 months | — |
| Monetization | Free | — |
| Size | 17 MB | 13 MB |
| Requires iOS | **17.1** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chrystian Vieyra](https://appshunter.io/developer/998187453) | [Hugo Witsel](https://appshunter.io/developer/1441835751) |

## 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 |


### Imaging Stress Task

[App page](https://appshunter.io/ios/app/imaging-stress-task/id6757635255)

**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 Imaging Stress Task free?

Imaging Stress Task is free to download, with no in-app purchases.

### Do Physics Toolbox Magnetometer or Imaging Stress Task have ads?

Neither Physics Toolbox Magnetometer nor Imaging Stress Task shows ads.

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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.*