# D+ vs The Metal Detector

The clearest difference is update cadence: D+ at every 4 weeks against The Metal Detector's every 38 months. D+ also leads on iOS requirement (9.0 vs 15.6). The Metal Detector's advantage is rating (4.0 vs 3.7). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

The Metal Detector holds the better App Store score, 4.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 7 respectively.

D+ ships an update every 4 weeks, The Metal Detector every 38 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | D+ | The Metal Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/d-plus/id1191388630/reviews) | **[4.0 (7 ratings)](https://appshunter.io/ios/app/the-metal-detector/id1400084129/reviews)** |
| Number of ratings | 3 | **7** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 38 months |
| Monetization | Free | Free |
| Size | 145 MB | 6 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [英江 李](https://appshunter.io/developer/524505813) | [Tejas Padliya](https://appshunter.io/developer/1400084128) |

## What reviewers say

### D+

[App page](https://appshunter.io/ios/app/d-plus/id1191388630)

Automate your home with a wireless smart home system. Control appliances, lighting, security, and more remotely. Enjoy personalized comfort and enhanced home management.

**Highlights:** Security alarm, Fingerprint access, Remote video monitoring, Appliance control, Curtain control, Scene and timing control, Energy saving

**Features:** macOS Compatibility

**In-app purchases:** none


### The Metal Detector

[App page](https://appshunter.io/ios/app/the-metal-detector/id1400084129)

This utility app leverages your iPhone's magnetic sensor to detect nearby magnetic fields. It offers a simple interface with visual feedback and readings, providing a tool for exploring magnetic phenomena around you.

**Highlights:** Detects magnetic fields, Uses iPhone's magnetic sensor, Simple user interface, Visual feedback with readings, Supports iPhone XS Max, Calibration guidance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is D+ free?

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

### Is The Metal Detector free?

The Metal Detector is free to download, with no in-app purchases.

### Which has better reviews, D+ or The Metal Detector?

The Metal Detector is rated higher. D+ averages 3.7 out of 5 from 3 ratings, while The Metal Detector averages 4.0 from 7 ratings.

### Do D+ or The Metal Detector have ads?

Neither D+ nor The Metal Detector shows ads.

### Which is updated more often, D+ or The Metal Detector?

D+ ships an update every 4 weeks, and The Metal Detector every 38 months. Most recently, D+ was updated on November 6, 2026 and The Metal Detector on November 2, 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.*