# µMagnetometer vs Pyromac ID

The clearest difference is price: Pyromac ID at Free against µMagnetometer's $1.99. Pyromac ID also leads on update cadence (every 4 weeks vs every 4 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Pyromac ID is free to download; µMagnetometer costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

µMagnetometer ships an update every 4 months, Pyromac ID every 4 weeks. The most recent releases landed on September 29, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | µMagnetometer | Pyromac ID |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.4 (67 ratings)](https://appshunter.io/ios/app/magnetometer/id1482576105/reviews)** | — |
| Number of ratings | **67** | — |
| Positive reviews | 23.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Monetization | Paid | — |
| Size | 15 MB | 26 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmytro Hrebeniuk](https://appshunter.io/developer/1458758581) | [Pyromac Srl](https://appshunter.io/developer/1802898971) |

## What reviewers say

### µMagnetometer

[App page](https://appshunter.io/ios/app/magnetometer/id1482576105)

Measures the strength of the magnetic field around you using your device's magnetometer. Requires Location Services to be enabled on iOS. Provides microtesla readings for nearby magnetic fields.

**Highlights:** Measures magnetic field strength, Displays readings in microteslas, Utilizes device magnetometer, Requires Location Services (iOS)

**Features:** Vision Pro support

**In-app purchases:** none


### Pyromac ID

[App page](https://appshunter.io/ios/app/pyromac-id/id1496514255)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is µMagnetometer free?

µMagnetometer costs $1.99, with no in-app purchases.

### Is Pyromac ID free?

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

### Do µMagnetometer or Pyromac ID have ads?

Neither µMagnetometer nor Pyromac ID shows ads.

### Which is updated more often, µMagnetometer or Pyromac ID?

µMagnetometer ships an update every 4 months, and Pyromac ID every 4 weeks. Most recently, µMagnetometer was updated on September 29, 2026 and Pyromac ID on October 3, 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.*