# Metal Detector EMF vs Polytag

The clearest difference is in-app purchases: Polytag at none against Metal Detector EMF's 1. Metal Detector EMF's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. Metal Detector EMF sells 1 one-off in-app purchase. Polytag asks for nothing beyond the download.

## The numbers

| Metric | Metal Detector EMF | Polytag |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.4K ratings)](https://appshunter.io/ios/app/metal-detector-emf/id1073102084/reviews)** | — |
| Number of ratings | **2.4K** | — |
| Positive reviews | 68.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 9 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 6 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [ExaMobile S.A.](https://appshunter.io/developer/506014841) | [Polytag Limited](https://appshunter.io/developer/1552368463) |

## What reviewers say

### Metal Detector EMF

[App page](https://appshunter.io/ios/app/metal-detector-emf/id1073102084)

This application uses your smartphone's magnetic sensor to detect nearby metal objects. It can help you find hidden metallic items, act as a treasure hunting tool, or even assist in ghost hunting by visualizing magnetic field trends. Requires a device with a magnetic sensor to function.

**Highlights:** Detects nearby metal, Measures magnetic field, Finds hidden metallic objects, Acts as a treasure hunter tool, Assists ghost hunters, Visualizes reading trends with a graph

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AdBlock - Remove ads | $1.99 | one-time |

**What reviewers like**

- 🚀 Works great
- 👍 Surprisingly accurate
- 🔍 Helpful for finding lost items
- 💡 Innovative use of phone sensors
- 🔍 Useful for locating property markers

**What reviewers complain about**

- 🐛 Inconsistent performance
- 🔍 Limited detection range
- 🔍 Only detects magnetic metals
- 🔋 Drains battery quickly

**Reported bugs**

- Settings page not functioning
- App crashes on some devices
- Inaccurate readings in certain situations

**Requested features**

- Ability to detect non-magnetic metals
- Improved sensitivity and detection range
- Option to calibrate the sensor
- Metal identification feature


### Polytag

[App page](https://appshunter.io/ios/app/polytag/id1552368461)

**In-app purchases:** none


## Frequently asked questions

### Is Metal Detector EMF free?

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

### Is Polytag free?

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

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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.*