# µMagnetometer vs Device Detector

The clearest difference is price: Device Detector at Free against µMagnetometer's $1.99. Device Detector also leads on review sentiment (49% vs 23%) and ratings volume (3.6K vs 67). µMagnetometer's advantage is ads (none vs shown). On rating, in-app purchases, device support and iOS requirement there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.4 for µMagnetometer against 4.4 for Device Detector. That said, the two scores are not equally well evidenced: Device Detector has 3.6K ratings behind it against 67, so its average is the more settled of the two. Written reviews are what separate them: 23% of µMagnetometer's written reviews are positive against 49% of Device Detector's.

µMagnetometer ships an update every 4 months, Device Detector monthly. The most recent releases landed on August 29, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | µMagnetometer | Device Detector |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.4 (67 ratings)](https://appshunter.io/ios/app/magnetometer/id1482576105/reviews) | [4.4 (3.6K ratings)](https://appshunter.io/ios/app/device-detector-wifi-analyzer/id1490361883/reviews) |
| Number of ratings | 67 | **3.6K** |
| Positive reviews | 23.1% of reviews | **49.1% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Paid | **Ad-supported** |
| Size | 15 MB | 44 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmytro Hrebeniuk](https://appshunter.io/developer/1458758581) | [长金 胡](https://appshunter.io/developer/1528253434) |

## 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


### Device Detector

[App page](https://appshunter.io/ios/app/device-detector-wifi-analyzer/id1490361883)

Scan and analyze all devices connected to your local network. This essential tool helps protect your privacy by identifying everything on your network. Regular updates ensure an improved user experience.

**Highlights:** Scan local network, Analyze connected devices, Privacy protection, Regular updates

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 User-friendly app
- 🔍 Effective device detection
- 🔍 Able to identify suspicious devices
- 💡 Helpful for home security
- 💡 Customizable device identification

**What reviewers complain about**

- 🤖 Excessive ads disrupting usability
- 🐛 Inconsistent device detection accuracy
- 🔍 Lack of detailed information on detected devices
- 🤖 Overwhelming ad experience

**Reported bugs**

- Inconsistent network connectivity detection
- Crashes and freezes during scans
- Incorrect device identification in some cases

**Requested features**

- Improve device identification and location details
- Provide more context on suspicious devices
- Offer ad-free or paid version to remove ads
- Add support for more device types and manufacturers


## Frequently asked questions

### Is µMagnetometer free?

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

### Is Device Detector free?

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

### Which has better reviews, µMagnetometer or Device Detector?

µMagnetometer and Device Detector are both rated 4.4 out of 5 on the App Store, from 67 and 3.6K ratings respectively.

### Do µMagnetometer or Device Detector have ads?

Device Detector shows ads; µMagnetometer does not.

### Which is updated more often, µMagnetometer or Device Detector?

µMagnetometer ships an update every 4 months, and Device Detector monthly. Most recently, µMagnetometer was updated on August 29, 2026 and Device Detector on September 22, 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.*