# dTector vs Metal Detector・EMF Reader

The clearest difference is review sentiment: Metal Detector・EMF Reader at 100% against dTector's 33%. Metal Detector・EMF Reader also leads on rating (5.0 vs 4.1) and ads (none vs shown). dTector's advantage is device support (3 vs 1) and ratings volume (7 vs 2). On price and in-app purchases there is nothing between them.

Both are free to download. dTector sells 1 one-off in-app purchase and Metal Detector・EMF Reader sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Metal Detector・EMF Reader holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews point the same way: 33% of dTector's written reviews are positive against 100% of Metal Detector・EMF Reader's.

dTector ships an update every 6 weeks, Metal Detector・EMF Reader weekly. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | dTector | Metal Detector・EMF Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (7 ratings)](https://appshunter.io/ios/app/dtector-metal-detector-ar/id910643165/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/metal-detectoremf-reader/id6749162622/reviews)** |
| Number of ratings | **7** | 2 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 8 MB | 18 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Immaginet Srl](https://appshunter.io/developer/545184631) | [Yash Mandhyan](https://appshunter.io/developer/1856960217) |

## What reviewers say

### dTector

[App page](https://appshunter.io/ios/app/dtector-metal-detector-ar/id910643165)

This utility app transforms your iPhone into a magnetic field detector using its built-in magnetometer. It visualizes magnetic fields in 3D augmented reality, highlighting areas of strong magnetic flux. Useful for detecting ferromagnetic metals and understanding magnetic environments.

**Highlights:** Live magnetometer readout (µT and mG), Ferromagnetic metal detection, AR 3D field mapping, Sonar feedback (sound and haptics), Directional guidance, Session logging and PLY export, Apple Watch companion

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| dTector PRO | $4.99 | one-time |


### Metal Detector・EMF Reader

[App page](https://appshunter.io/ios/app/metal-detectoremf-reader/id6749162622)

Transform your iPhone into a versatile tool for detecting metal objects, locating wall studs, and measuring EMF levels. Utilize the device's built-in magnetometer for real-time insights into magnetic fields and signal strength, perfect for various DIY and utility tasks.

**Highlights:** Detect nearby metal objects, Find wall studs, screws, nails, pipes, Real-time magnetic field readings, Live EMF meter and graph visualization, Signal confidence indicator, Axis-based directional detection

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $2.99 | one-time |


## Frequently asked questions

### Is dTector free?

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

### Is Metal Detector・EMF Reader free?

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

### Which has better reviews, dTector or Metal Detector・EMF Reader?

Metal Detector・EMF Reader is rated higher. dTector averages 4.1 out of 5 from 7 ratings, while Metal Detector・EMF Reader averages 5.0 from 2 ratings.

### Do dTector or Metal Detector・EMF Reader have ads?

dTector shows ads; Metal Detector・EMF Reader does not.

### Which is updated more often, dTector or Metal Detector・EMF Reader?

dTector ships an update every 6 weeks, and Metal Detector・EMF Reader weekly. Most recently, dTector was updated on November 11, 2026 and Metal Detector・EMF Reader on November 5, 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.*