# Metal Detector & Magnetometer vs Unit Convert Go

The clearest difference is review sentiment: Unit Convert Go at 100% against Metal Detector & Magnetometer's 54%. Unit Convert Go also leads on price (Free vs $1.99) and update cadence (every 2 weeks vs every 5 months). On ads, in-app purchases and device support there is nothing between them.

Unit Convert Go is free to download; Metal Detector & Magnetometer costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Metal Detector & Magnetometer ships an update every 5 months, Unit Convert Go every 2 weeks. The most recent releases landed on October 19, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Metal Detector & Magnetometer | Unit Convert Go |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/metal-detector-and-magnetometer/id405957672/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 53.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Paid | **Free** |
| Size | 11 MB | 3 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Andy Soft](https://appshunter.io/developer/367577511) | [晓 郭](https://appshunter.io/developer/1895645928) |

## What reviewers say

### Metal Detector & Magnetometer

[App page](https://appshunter.io/ios/app/metal-detector-and-magnetometer/id405957672)

Transform your iPhone into a professional metal detector. This app uses your device's magnetometer to detect ferrous metals with precision, ideal for finding lost objects or inspecting materials. It offers an intuitive interface with customizable sounds and themes.

**Highlights:** Uses iPhone magnetometer for detection, Detects ferrous metals, Intuitive professional interface, Customizable sounds and themes, Integrated flashlight, Instant use, no calibration

**Features:** macOS Compatibility

**In-app purchases:** none


### Unit Convert Go

[App page](https://appshunter.io/ios/app/unit-convert-go/id6772014993)

This utility app offers fast, offline unit conversions for everyday needs. It supports a wide range of units including length, weight, temperature, and currency, with live, two-way conversion as you type. Favorite conversions can be pinned for quick access, and all data is kept private on your device.

**Highlights:** Live, two-way conversion, Offline-friendly, Pin favorite conversions, Recent conversions saved, Latest currency rates, Light and dark mode

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

**In-app purchases:** none


## Frequently asked questions

### Is Metal Detector & Magnetometer free?

Metal Detector & Magnetometer costs $1.99, with no in-app purchases.

### Is Unit Convert Go free?

Unit Convert Go is free to download, with no in-app purchases.

### Do Metal Detector & Magnetometer or Unit Convert Go have ads?

Neither Metal Detector & Magnetometer nor Unit Convert Go shows ads.

### Which is updated more often, Metal Detector & Magnetometer or Unit Convert Go?

Metal Detector & Magnetometer ships an update every 5 months, and Unit Convert Go every 2 weeks. Most recently, Metal Detector & Magnetometer was updated on October 19, 2026 and Unit Convert Go on October 15, 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.*