# Stud Finder vs Magnetometer

The clearest difference is price: Stud Finder at Free against Magnetometer's $0.99. Stud Finder also leads on update cadence (monthly vs every 34 months) and device support (3 vs 1). Magnetometer's advantage is in-app purchases (none vs 4). On rating, ratings volume, ads and iOS requirement there is nothing between them.

Stud Finder is free to download; Magnetometer costs $0.99 up front. Stud Finder sells 4 in-app purchases, starting at $9.99 per year. Magnetometer asks for nothing beyond the download.

Stud Finder holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 36 and 13 respectively.

Stud Finder ships an update monthly, Magnetometer every 34 months. The most recent releases landed on September 9, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Stud Finder | Magnetometer |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.6 (36 ratings)](https://appshunter.io/ios/app/stud-finder-device-detector/id1624934793/reviews)** | [4.4 (13 ratings)](https://appshunter.io/ios/app/magnetometer/id1662997574/reviews) |
| Number of ratings | **36** | 13 |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 34 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 36 MB | 2 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | +4 | 4+ |
| Developer | [Sunshine Software Labs](https://appshunter.io/developer/1788219451) | [Bogdan Gavriluta](https://appshunter.io/developer/1584690995) |

## What reviewers say

### Stud Finder

[App page](https://appshunter.io/ios/app/stud-finder-device-detector/id1624934793)

This app detects metal objects by measuring magnetic field strength using your device's sensor. It can help locate hidden wires, pipes, screws, and act as a stud finder. Explore its practical uses or enjoy it for entertainment.

**Highlights:** Magnetic field detection, Metal object location, Stud finding capability, Electrical wiring detection, Pipe location, Entertainment use cases

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Premium Yearly Limited | $9.99 | per year |
| 3 Days Free Trial Weekly VIP | $9.99 | per 7 days |
| 3 Day Free Trial then Get Premium | $19.99 | per month |
| Annual VIP | $49.99 | per year |


### Magnetometer

[App page](https://appshunter.io/ios/app/magnetometer/id1662997574)

This application uses your iPhone's compass to detect electromagnetic interference, helping you find metal objects or magnets. It's designed for fun and experimental purposes, not as a professional tool. Discover hidden metal items or simply explore the magnetic fields around you.

**Highlights:** Detects metal and magnets, Uses iPhone's compass, Measures EMF interference, Fun and experimental use, Simple user interface

**In-app purchases:** none


## Frequently asked questions

### Is Stud Finder free?

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

### Is Magnetometer free?

Magnetometer costs $0.99, with no in-app purchases.

### Which has better reviews, Stud Finder or Magnetometer?

Stud Finder is rated higher. Stud Finder averages 4.6 out of 5 from 36 ratings, while Magnetometer averages 4.4 from 13 ratings.

### Do Stud Finder or Magnetometer have ads?

Neither Stud Finder nor Magnetometer shows ads.

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

Stud Finder ships an update monthly, and Magnetometer every 34 months. Most recently, Stud Finder was updated on September 9, 2026 and Magnetometer on September 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.*