# Physics Toolbox Magnetometer vs 阅燃

The clearest difference is in-app purchases: 阅燃 at none against Physics Toolbox Magnetometer's 1. 阅燃 also leads on update cadence (monthly vs every 13 months) and iOS requirement (11.0 vs 17.1). On price, ads and device support there is nothing between them.

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

Physics Toolbox Magnetometer ships an update every 13 months, 阅燃 monthly. The most recent releases landed on September 23, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Physics Toolbox Magnetometer | 阅燃 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/physics-toolbox-magnetometer/id1003749103/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 13 months | **Monthly** |
| Monetization | Free | — |
| Size | 17 MB | 101 MB |
| Requires iOS | 17.1 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chrystian Vieyra](https://appshunter.io/developer/998187453) | [Chengdu Zhixin Technology Co,.Ltd.](https://appshunter.io/developer/1536893274) |

## 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 |


### 阅燃

[App page](https://appshunter.io/ios/app/id1186238420)

**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 阅燃 free?

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

### Do Physics Toolbox Magnetometer or 阅燃 have ads?

Neither Physics Toolbox Magnetometer nor 阅燃 shows ads.

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

Physics Toolbox Magnetometer ships an update every 13 months, and 阅燃 monthly. Most recently, Physics Toolbox Magnetometer was updated on September 23, 2026 and 阅燃 on September 17, 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.*