# Magnetometer vs RaiderDex

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

RaiderDex 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, RaiderDex weekly. The most recent releases landed on October 9, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Magnetometer | RaiderDex |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | Every 34 months | **Weekly** |
| Monetization | Paid | — |
| Size | 2 MB | 43 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bogdan Gavriluta](https://appshunter.io/developer/1584690995) | [James Bell](https://appshunter.io/developer/1875039062) |

## 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


### RaiderDex

[App page](https://appshunter.io/ios/app/raiderdex/id6758787595)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Magnetometer free?

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

### Is RaiderDex free?

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

### Do Magnetometer or RaiderDex have ads?

RaiderDex shows ads; Magnetometer does not.

### Which is updated more often, Magnetometer or RaiderDex?

Magnetometer ships an update every 34 months, and RaiderDex weekly. Most recently, Magnetometer was updated on October 9, 2026 and RaiderDex on September 25, 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.*