# NGS vs Magnetometer+ Metal Detector

The clearest difference is ads: NGS at none against Magnetometer+ Metal Detector's shown. NGS also leads on device support (3 vs 1). Magnetometer+ Metal Detector's advantage is update cadence (every 4 days vs every 23 months). On price, in-app purchases and iOS requirement there is nothing between them.

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

NGS ships an update every 23 months, Magnetometer+ Metal Detector every 4 days. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | NGS | Magnetometer+ Metal Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (8 ratings)](https://appshunter.io/ios/app/magnetometer-plus-metal-detector/id6760181481/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 23 months | **Every 4 days** |
| Monetization | — | Ad-supported |
| Size | 14 MB | 62 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Nipponflex Digital](https://appshunter.io/developer/1388522686) | [Kyu-Hee Jang](https://appshunter.io/developer/1587578867) |

## What reviewers say

### NGS

[App page](https://appshunter.io/ios/app/ngs/id1586678625)

**Features:** macOS Compatibility

**In-app purchases:** none


### Magnetometer+ Metal Detector

[App page](https://appshunter.io/ios/app/magnetometer-plus-metal-detector/id6760181481)

Transform your device into a magnetic field detector. It measures magnetic field strength in real-time with a 3-axis display and provides visual alerts for metal and magnet detection. Explore the invisible magnetic world around you with a sleek, intuitive interface.

**Highlights:** Real-time magnetic field measurement, 3-axis directional analysis, Metal and magnet detection alerts, Radar-style magnetic scanner, N/S/E/W compass markings, Adjustable sensitivity

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

**In-app purchases:** none


## Frequently asked questions

### Is NGS free?

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

### Is Magnetometer+ Metal Detector free?

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

### Do NGS or Magnetometer+ Metal Detector have ads?

Magnetometer+ Metal Detector shows ads; NGS does not.

### Which is updated more often, NGS or Magnetometer+ Metal Detector?

NGS ships an update every 23 months, and Magnetometer+ Metal Detector every 4 days. Most recently, NGS was updated on October 6, 2026 and Magnetometer+ Metal Detector on October 10, 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.*