# Physics Toolbox Magnetometer vs PDHS Allin

The clearest difference is rating: Physics Toolbox Magnetometer at 5.0 against PDHS Allin's 2.7. Physics Toolbox Magnetometer also leads on review sentiment (80% vs 43%). PDHS Allin's advantage is in-app purchases (none vs 1) and update cadence (every 2 months vs every 13 months). On price, ads, monetization model and device support there is nothing between them.

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

Physics Toolbox Magnetometer holds the better App Store score, 5.0 against 2.7. That said, the two scores are not equally well evidenced: PDHS Allin has 39 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 80% of Physics Toolbox Magnetometer's written reviews are positive against 43% of PDHS Allin's.

Physics Toolbox Magnetometer ships an update every 13 months, PDHS Allin every 2 months. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Physics Toolbox Magnetometer | PDHS Allin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/physics-toolbox-magnetometer/id1003749103/reviews)** | [2.7 (39 ratings)](https://appshunter.io/ios/app/pdhs-allin/id1480130279/reviews) |
| Number of ratings | 7 | **39** |
| Positive reviews | **80.0% of reviews** | 42.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 17 MB | 11 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) | [Justin Landfried](https://appshunter.io/developer/1480130278) |

## 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 |


### PDHS Allin

[App page](https://appshunter.io/ios/app/pdhs-allin/id1480130279)

Access all essential Palm Desert High School information in a single app. Find office hours, bell schedules, tutoring, announcements, and contact details. Stay informed with the latest updates and school resources.

**Highlights:** Office Hours listings, Bell Schedules, After School Tutoring, Daily Announcements, Counselor Contacts, Event Calendar, Student Handbook

**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 PDHS Allin free?

PDHS Allin is free to download, with no in-app purchases.

### Which has better reviews, Physics Toolbox Magnetometer or PDHS Allin?

Physics Toolbox Magnetometer is rated higher. Physics Toolbox Magnetometer averages 5.0 out of 5 from 7 ratings, while PDHS Allin averages 2.7 from 39 ratings.

### Do Physics Toolbox Magnetometer or PDHS Allin have ads?

Neither Physics Toolbox Magnetometer nor PDHS Allin shows ads.

### Which is updated more often, Physics Toolbox Magnetometer or PDHS Allin?

Physics Toolbox Magnetometer ships an update every 13 months, and PDHS Allin every 2 months. Most recently, Physics Toolbox Magnetometer was updated on September 23, 2026 and PDHS Allin on September 21, 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.*