# Magnetometer vs StudLink Farm

The clearest difference is price: StudLink Farm at Free against Magnetometer's $0.99. StudLink Farm also leads on update cadence (monthly vs every 34 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

StudLink Farm is free to download; Magnetometer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Magnetometer ships an update every 34 months, StudLink Farm monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Magnetometer | StudLink Farm |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.4 (13 ratings)](https://appshunter.io/ios/app/magnetometer/id1662997574/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 34 months | **Monthly** |
| Monetization | Paid | — |
| Size | 2 MB | 5 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Bogdan Gavriluta](https://appshunter.io/developer/1584690995) | [Guruch Software Solutions](https://appshunter.io/developer/1769304312) |

## What reviewers say

### 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


### StudLink Farm

[App page](https://appshunter.io/ios/app/studlink-farm/id6738501761)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Magnetometer free?

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

### Is StudLink Farm free?

StudLink Farm is free to download, with no in-app purchases.

### Do Magnetometer or StudLink Farm have ads?

Neither Magnetometer nor StudLink Farm shows ads.

### Which is updated more often, Magnetometer or StudLink Farm?

Magnetometer ships an update every 34 months, and StudLink Farm monthly. Most recently, Magnetometer was updated on November 3, 2026 and StudLink Farm on October 30, 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.*