# 核辐射检测 vs Metal Detector EMF+

The clearest difference is update cadence: 核辐射检测 at every 9 days against Metal Detector EMF+'s monthly. 核辐射检测 also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 核辐射检测 sells 1 one-off in-app purchase and Metal Detector EMF+ sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

核辐射检测 ships an update every 9 days, Metal Detector EMF+ monthly. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 核辐射检测 | Metal Detector EMF+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (8 ratings)](https://appshunter.io/ios/app/metal-detector-emf-plus/id6736949895/reviews)** |
| Number of ratings | — | **8** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | — | Subscription |
| Size | 28 MB | 18 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [薇 吴](https://appshunter.io/developer/1655264256) | [子煜 孟](https://appshunter.io/developer/1690092242) |

## What reviewers say

### 核辐射检测

[App page](https://appshunter.io/ios/app/id6464470636)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 核辐射检测永久会员 | $2.99 | one-time |


### Metal Detector EMF+

[App page](https://appshunter.io/ios/app/metal-detector-emf-plus/id6736949895)

This utility app uses your device's magnetometer to measure magnetic fields and detect metal objects. It offers real-time data, customizable alerts, and historical logging for various applications.

**Highlights:** Magnetic field measurement, Metal object detection, Real-time data display, Customizable alerts, Historical data logging, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.99 | per 7 days |
| Weekly Subscription | $1.99 | per 7 days |
| Lifetime Use | $4.99 | one-time |


## Frequently asked questions

### Is 核辐射检测 free?

核辐射检测 is free to download, with in-app purchases available.

### Is Metal Detector EMF+ free?

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

### Do 核辐射检测 or Metal Detector EMF+ have ads?

Neither 核辐射检测 nor Metal Detector EMF+ shows ads.

### Which is updated more often, 核辐射检测 or Metal Detector EMF+?

核辐射检测 ships an update every 9 days, and Metal Detector EMF+ monthly. Most recently, 核辐射检测 was updated on October 14, 2026 and Metal Detector EMF+ on October 24, 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.*