# Magnetometer vs LockDownRadioControl RXV2

The clearest difference is price: LockDownRadioControl RXV2 at Free against Magnetometer's $0.99. LockDownRadioControl RXV2 also leads on update cadence (daily vs every 34 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

LockDownRadioControl RXV2 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, LockDownRadioControl RXV2 daily. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Magnetometer | LockDownRadioControl RXV2 |
| --- | --- | --- |
| 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 | **Daily** |
| Monetization | Paid | — |
| Size | 2 MB | 4 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Bogdan Gavriluta](https://appshunter.io/developer/1584690995) | [Malcolm Messiter](https://appshunter.io/developer/953250853) |

## 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


### LockDownRadioControl RXV2

[App page](https://appshunter.io/ios/app/lockdownradiocontrol-rxv2/id6789857533)

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

**In-app purchases:** none


## Frequently asked questions

### Is Magnetometer free?

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

### Is LockDownRadioControl RXV2 free?

LockDownRadioControl RXV2 is free to download, with no in-app purchases.

### Do Magnetometer or LockDownRadioControl RXV2 have ads?

Neither Magnetometer nor LockDownRadioControl RXV2 shows ads.

### Which is updated more often, Magnetometer or LockDownRadioControl RXV2?

Magnetometer ships an update every 34 months, and LockDownRadioControl RXV2 daily. Most recently, Magnetometer was updated on November 12, 2026 and LockDownRadioControl RXV2 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.*