# dTector vs Diller Check

The clearest difference is in-app purchases: Diller Check at none against dTector's 1. Diller Check also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. dTector sells 1 one-off in-app purchase. Diller Check asks for nothing beyond the download.

dTector ships an update every 6 weeks, Diller Check every 3 weeks. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | dTector | Diller Check |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (7 ratings)](https://appshunter.io/ios/app/dtector-metal-detector-ar/id910643165/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 34 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Immaginet Srl](https://appshunter.io/developer/545184631) | [Uzbektelecom AK OJSC](https://appshunter.io/developer/939497366) |

## 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 |


### Diller Check

[App page](https://appshunter.io/ios/app/diller-check/id6743934619)

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

**In-app purchases:** none


## Frequently asked questions

### Is dTector free?

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

### Is Diller Check free?

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

### Do dTector or Diller Check have ads?

dTector shows ads; Diller Check does not.

### Which is updated more often, dTector or Diller Check?

dTector ships an update every 6 weeks, and Diller Check every 3 weeks. Most recently, dTector was updated on November 7, 2026 and Diller Check on November 8, 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.*