# Magnetic Detector, Stud Finder vs µMagnetometer

The clearest difference is review sentiment: Magnetic Detector, Stud Finder at 90% against µMagnetometer's 23%. Magnetic Detector, Stud Finder also leads on price (Free vs $1.99) and rating (4.6 vs 4.4). µMagnetometer's advantage is in-app purchases (none vs 4) and ads (none vs shown). On device support there is nothing between them.

Magnetic Detector, Stud Finder is free to download; µMagnetometer costs $1.99 up front. Magnetic Detector, Stud Finder sells 4 in-app purchases, starting at $4.99 per 7 days. µMagnetometer asks for nothing beyond the download.

Magnetic Detector, Stud Finder holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: Magnetic Detector, Stud Finder has 444 ratings behind it against 66, so its average is the more settled of the two. Written reviews point the same way: 90% of Magnetic Detector, Stud Finder's written reviews are positive against 23% of µMagnetometer's.

Magnetic Detector, Stud Finder ships an update every 2 months, µMagnetometer every 4 months. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Magnetic Detector, Stud Finder | µMagnetometer |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.6 (444 ratings)](https://appshunter.io/ios/app/magnetic-detector-stud-finder/id1403751803/reviews)** | [4.4 (66 ratings)](https://appshunter.io/ios/app/magnetometer/id1482576105/reviews) |
| Number of ratings | **444** | 66 |
| Positive reviews | **90.3% of reviews** | 23.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 30 MB | 15 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jose Bello](https://appshunter.io/developer/1013437387) | [Dmytro Hrebeniuk](https://appshunter.io/developer/1458758581) |

## What reviewers say

### Magnetic Detector, Stud Finder

[App page](https://appshunter.io/ios/app/magnetic-detector-stud-finder/id1403751803)

This app uses your device's magnetometer to detect magnetic and electromagnetic fields. It helps locate metal objects, hidden wires, pipes, and even wood studs behind walls. Get real-time readings and alerts to explore your surroundings.

**Highlights:** Detects magnetic and EMF fields, Locates metal objects, wires, and pipes, Finds hidden wood studs behind walls, Real-time magnetic field intensity readings (μT & mG), Active detection beep alerts, Automatic storage of time and measurements

**Features:** Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Full Access | $4.99 | per 7 days |
| Remove Ads - Magnetic Detector | $2.99 | one-time |
| Unlock all - Premium & Warning Beep | $4.99 | one-time |
| Lifetime Full Access | $12.99 | one-time |

**What reviewers like**

- ⭐ Accurate magnetic detection
- 👍 Easy to use and intuitive
- 🔍 Helpful for finding hidden metal objects
- 🔧 Useful for troubleshooting mechanical issues (e.g., magnetized watches)

**What reviewers complain about**

- 💰 Ads can be intrusive in free version
- 🔒 Concerns about privacy and data collection
- 🔋 Potential impact on device battery life

**Reported bugs**

- Readings sometimes inconsistent or stop at certain thresholds
- Compatibility issues with some devices

**Requested features**

- Add support for measuring electric fields
- Improve accuracy and sensitivity
- Provide more detailed readings and analysis


### 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 Magnetic Detector, Stud Finder free?

Magnetic Detector, Stud Finder 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, Magnetic Detector, Stud Finder or µMagnetometer?

Magnetic Detector, Stud Finder is rated higher. Magnetic Detector, Stud Finder averages 4.6 out of 5 from 444 ratings, while µMagnetometer averages 4.4 from 66 ratings.

### Do Magnetic Detector, Stud Finder or µMagnetometer have ads?

Magnetic Detector, Stud Finder shows ads; µMagnetometer does not.

### Which is updated more often, Magnetic Detector, Stud Finder or µMagnetometer?

Magnetic Detector, Stud Finder ships an update every 2 months, and µMagnetometer every 4 months. Most recently, Magnetic Detector, Stud Finder was updated on November 6, 2026 and µMagnetometer on November 7, 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.*