# Physics Toolbox Magnetometer vs uCertifyPrep Illustrator 2020

The clearest difference is iOS requirement: uCertifyPrep Illustrator 2020 at 14.0 against Physics Toolbox Magnetometer's 17.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Physics Toolbox Magnetometer sells 1 one-off in-app purchase and uCertifyPrep Illustrator 2020 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Physics Toolbox Magnetometer ships an update every 13 months, uCertifyPrep Illustrator 2020 every 20 months. The most recent releases landed on November 13, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Physics Toolbox Magnetometer | uCertifyPrep Illustrator 2020 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/physics-toolbox-magnetometer/id1003749103/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 13 months** | Every 20 months |
| Monetization | Free | — |
| Size | 17 MB | 121 MB |
| Requires iOS | 17.1 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chrystian Vieyra](https://appshunter.io/developer/998187453) | [uCertify.com](https://appshunter.io/developer/1130631061) |

## 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 |


### uCertifyPrep Illustrator 2020

[App page](https://appshunter.io/ios/app/ucertifyprep-illustrator-2020/id1665517855)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| uCertifyPrep Illustrator 2020 | $49.99 | one-time |


## Frequently asked questions

### Is Physics Toolbox Magnetometer free?

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

### Is uCertifyPrep Illustrator 2020 free?

uCertifyPrep Illustrator 2020 is free to download, with in-app purchases available.

### Do Physics Toolbox Magnetometer or uCertifyPrep Illustrator 2020 have ads?

Neither Physics Toolbox Magnetometer nor uCertifyPrep Illustrator 2020 shows ads.

### Which is updated more often, Physics Toolbox Magnetometer or uCertifyPrep Illustrator 2020?

Physics Toolbox Magnetometer ships an update every 13 months, and uCertifyPrep Illustrator 2020 every 20 months. Most recently, Physics Toolbox Magnetometer was updated on November 13, 2026 and uCertifyPrep Illustrator 2020 on November 7, 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.*