# Wise DID Authenticator vs Metal Detector

The clearest difference is in-app purchases: Wise DID Authenticator at none against Metal Detector's 2. Wise DID Authenticator also leads on update cadence (every 2 months vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Metal Detector sells 2 in-app purchases, starting at $3.99 per 7 days. Wise DID Authenticator asks for nothing beyond the download.

Wise DID Authenticator ships an update every 2 months, Metal Detector every 7 months. The most recent releases landed on September 20, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Wise DID Authenticator | Metal Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/metal-detector-stud-finder/id6747976917/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | — | Freemium |
| Size | 92 MB | 133 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [WISE SECURITY GLOBAL](https://appshunter.io/developer/1673948849) | [Reena Williams](https://appshunter.io/developer/1708538764) |

## What reviewers say

### Wise DID Authenticator

[App page](https://appshunter.io/ios/app/wise-did-authenticator/id6450589575)

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

**In-app purchases:** none


### Metal Detector

[App page](https://appshunter.io/ios/app/metal-detector-stud-finder/id6747976917)

This utility app uses your iPhone's sensors to detect metals, studs, and electromagnetic fields. It can also identify lens reflections and analyze WiFi networks for potential surveillance devices, offering a comprehensive scanning tool for security and home improvement.

**Highlights:** Metal and stud detection, Lens reflection scanner, EMF meter, WiFi analyzer, Easy calibration, Lightweight and portable

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |
| Yearly Subscriptions | $39.99 | per year |


## Frequently asked questions

### Is Wise DID Authenticator free?

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

### Is Metal Detector free?

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

### Do Wise DID Authenticator or Metal Detector have ads?

Neither Wise DID Authenticator nor Metal Detector shows ads.

### Which is updated more often, Wise DID Authenticator or Metal Detector?

Wise DID Authenticator ships an update every 2 months, and Metal Detector every 7 months. Most recently, Wise DID Authenticator was updated on September 20, 2026 and Metal Detector on October 9, 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.*