# Metal Detector EMF vs µMagnetometer

The clearest difference is review sentiment: Metal Detector EMF at 71% against µMagnetometer's 23%. Metal Detector EMF also leads on price (Free vs $1.99) and rating (4.7 vs 4.4). µMagnetometer's advantage is in-app purchases (none vs 1) and update cadence (every 4 months vs every 9 months). On ads and device support there is nothing between them.

Metal Detector EMF is free to download; µMagnetometer costs $1.99 up front. Metal Detector EMF sells 1 one-off in-app purchase. µMagnetometer asks for nothing beyond the download.

Metal Detector EMF holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Metal Detector EMF has 2.4K ratings behind it against 67, so its average is the more settled of the two. Written reviews point the same way: 71% of Metal Detector EMF's written reviews are positive against 23% of µMagnetometer's.

Metal Detector EMF ships an update every 9 months, µMagnetometer every 4 months. The most recent releases landed on September 26, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Metal Detector EMF | µMagnetometer |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.7 (2.4K ratings)](https://appshunter.io/ios/app/metal-detector-emf/id1073102084/reviews)** | [4.4 (67 ratings)](https://appshunter.io/ios/app/magnetometer/id1482576105/reviews) |
| Number of ratings | **2.4K** | 67 |
| Positive reviews | **71.4% of reviews** | 23.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 months** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 11 MB | 15 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ExaMobile S.A.](https://appshunter.io/developer/506014841) | [Dmytro Hrebeniuk](https://appshunter.io/developer/1458758581) |

## What reviewers say

### Metal Detector EMF

[App page](https://appshunter.io/ios/app/metal-detector-emf/id1073102084)

This application uses your smartphone's magnetic sensor to detect nearby metal objects. It can help you find hidden metallic items, act as a treasure hunting tool, or even assist in ghost hunting by visualizing magnetic field trends. Requires a device with a magnetic sensor to function.

**Highlights:** Detects nearby metal, Measures magnetic field, Finds hidden metallic objects, Acts as a treasure hunter tool, Assists ghost hunters, Visualizes reading trends with a graph

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AdBlock - Remove ads | $1.99 | one-time |

**What reviewers like**

- 🚀 Works great
- 👍 Surprisingly accurate
- 🔍 Helpful for finding lost items
- 💡 Innovative use of phone sensors
- 🔍 Useful for locating property markers

**What reviewers complain about**

- 🐛 Inconsistent performance
- 🔍 Limited detection range
- 🔍 Only detects magnetic metals
- 🔋 Drains battery quickly

**Reported bugs**

- Settings page not functioning
- App crashes on some devices
- Inaccurate readings in certain situations

**Requested features**

- Ability to detect non-magnetic metals
- Improved sensitivity and detection range
- Option to calibrate the sensor
- Metal identification feature


### 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


## Frequently asked questions

### Is Metal Detector EMF free?

Metal Detector EMF is free to download, with in-app purchases available.

### Is µMagnetometer free?

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

### Which has better reviews, Metal Detector EMF or µMagnetometer?

Metal Detector EMF is rated higher. Metal Detector EMF averages 4.7 out of 5 from 2.4K ratings, while µMagnetometer averages 4.4 from 67 ratings.

### Do Metal Detector EMF or µMagnetometer have ads?

Neither Metal Detector EMF nor µMagnetometer shows ads.

### Which is updated more often, Metal Detector EMF or µMagnetometer?

Metal Detector EMF ships an update every 9 months, and µMagnetometer every 4 months. Most recently, Metal Detector EMF was updated on September 26, 2026 and µMagnetometer on September 10, 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.*