# Magnetic Detector, Stud Finder vs Magnetometer ∞

The clearest difference is update cadence: Magnetometer ∞ at every 2 weeks against Magnetic Detector, Stud Finder's every 2 months. Magnetic Detector, Stud Finder's advantage is ratings volume (443 vs 59) and device support (4 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Magnetic Detector, Stud Finder sells 4 in-app purchases, starting at $4.99 per 7 days and Magnetometer ∞ sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

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 443 ratings behind it against 59, so its average is the more settled of the two.

Magnetic Detector, Stud Finder ships an update every 2 months, Magnetometer ∞ every 2 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Magnetic Detector, Stud Finder | Magnetometer ∞ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (443 ratings)](https://appshunter.io/ios/app/magnetic-detector-stud-finder/id1403751803/reviews)** | [4.4 (59 ratings)](https://appshunter.io/ios/app/magnetometer/id6753061844/reviews) |
| Number of ratings | **443** | 59 |
| Positive reviews | 90.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 30 MB | 16 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jose Bello](https://appshunter.io/developer/1013437387) | [Fawkes Wei](https://appshunter.io/developer/432767536) |

## 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


### Magnetometer ∞

[App page](https://appshunter.io/ios/app/magnetometer/id6753061844)

Visualize magnetic fields in real-time with precision charts and monitor X, Y, Z axis readings. Ideal for scientific research, education, and field work, this app offers professional-grade accuracy and an intuitive interface for easy data interpretation.

**Highlights:** Real-time magnetic field visualization, X, Y, Z axis readings in microteslas, Scientific research tool, Educational aid, Field work companion, Intuitive interface

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Magnetic Detector, Stud Finder free?

Magnetic Detector, Stud Finder is free to download, with in-app purchases available.

### Is Magnetometer ∞ free?

Magnetometer ∞ is free to download, with in-app purchases available.

### Which has better reviews, Magnetic Detector, Stud Finder or Magnetometer ∞?

Magnetic Detector, Stud Finder is rated higher. Magnetic Detector, Stud Finder averages 4.6 out of 5 from 443 ratings, while Magnetometer ∞ averages 4.4 from 59 ratings.

### Do Magnetic Detector, Stud Finder or Magnetometer ∞ have ads?

Both Magnetic Detector, Stud Finder and Magnetometer ∞ show ads.

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

Magnetic Detector, Stud Finder ships an update every 2 months, and Magnetometer ∞ every 2 weeks. Most recently, Magnetic Detector, Stud Finder was updated on October 29, 2026 and Magnetometer ∞ on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*