# The Best Metal Detector vs eRealSign Authenticator

The clearest difference is in-app purchases: eRealSign Authenticator at none against The Best Metal Detector's 3. eRealSign Authenticator also leads on ads (none vs shown). The Best Metal Detector's advantage is iOS requirement (12.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. The Best Metal Detector sells 3 in-app purchases, starting at $2.99 per 7 days. eRealSign Authenticator asks for nothing beyond the download.

## The numbers

| Metric | The Best Metal Detector | eRealSign Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (88 ratings)](https://appshunter.io/ios/app/the-best-metal-detector/id917164653/reviews)** | — |
| Number of ratings | **88** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 49 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NETIGEN Kluzowicz sp. j.](https://appshunter.io/developer/892331873) | [UAM TECHNOLOGIES CORP](https://appshunter.io/developer/1887657490) |

## What reviewers say

### The Best Metal Detector

[App page](https://appshunter.io/ios/app/the-best-metal-detector/id917164653)

This utility app uses your device's magnetic sensor to detect nearby metal objects. It displays magnetic field levels and alerts you with vibrations and sounds when metal is detected. Customize sensitivity and sound effects in the settings.

**Highlights:** Detects metal using magnetic sensor, Measures magnetic field strength (μT), Vibrates and makes sounds when metal is near, Customizable vibration and sound sensitivity, Displays magnetic field in real-time

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 week subscription | $2.99 | per 7 days |
| Ads-Free | $0.99 | one-time |
| Forever one-time payment | $24.99 | one-time |


### eRealSign Authenticator

[App page](https://appshunter.io/ios/app/erealsign-authenticator/id6761076971)

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

**In-app purchases:** none


## Frequently asked questions

### Is The Best Metal Detector free?

The Best Metal Detector is free to download, with in-app purchases available.

### Is eRealSign Authenticator free?

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

### Do The Best Metal Detector or eRealSign Authenticator have ads?

The Best Metal Detector shows ads; eRealSign Authenticator does not.

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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.*