# Stud Finder vs Magnetometer

The clearest difference is price: Stud Finder at Free against Magnetometer's $1.99. Magnetometer's advantage is in-app purchases (none vs 3) and update cadence (weekly vs every 3 weeks). On ads and device support there is nothing between them.

Stud Finder is free to download; Magnetometer costs $1.99 up front. Stud Finder sells 3 in-app purchases, starting at $4.99 per 7 days. Magnetometer asks for nothing beyond the download.

Stud Finder ships an update every 3 weeks, Magnetometer weekly. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Stud Finder | Magnetometer |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/magnetometer-emf-detector/id6752918170/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Paid |
| Size | 8 MB | 23 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yunus Emre Ozbagdatli](https://appshunter.io/developer/1772068107) | [SootheTrail Solutions LLC](https://appshunter.io/developer/1815309839) |

## What reviewers say

### Stud Finder

[App page](https://appshunter.io/ios/app/stud-finder-wall-scanner/id6747498660)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Monthly Subscription | $12.99 | per month |
| Annual Subscription | $29.99 | per year |


### Magnetometer

[App page](https://appshunter.io/ios/app/magnetometer-emf-detector/id6752918170)

Transform your device into a precise electromagnetic field detector. Ideal for electrical safety checks, scientific exploration, and environmental monitoring with real-time readings and historical data.

**Highlights:** Real-time EMF detection, Historical trend charts, Customizable alerts, Data export, Multiple units support, Adjustable sampling rates

**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 $1.99, with no in-app purchases.

### 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 every 3 weeks, and Magnetometer weekly. Most recently, Stud Finder was updated on October 30, 2026 and Magnetometer on November 5, 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.*