# EMF Detector vs Magnetic Sensor

The clearest difference is in-app purchases: Magnetic Sensor at none against EMF Detector's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. EMF Detector sells 3 in-app purchases, starting at $2.99 per month. Magnetic Sensor asks for nothing beyond the download.

EMF Detector ships an update every 10 days, Magnetic Sensor fortnightly. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | EMF Detector | Magnetic Sensor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 10 days** | Fortnightly |
| Size | 56 MB | 25 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Singabe Djonouma](https://appshunter.io/developer/1875109741) | [Seonggon Sim](https://appshunter.io/developer/1565259950) |

## What reviewers say

### EMF Detector

[App page](https://appshunter.io/ios/app/emf-detector-magnetic-waves/id6758810056)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $19.99 | per year |
| Lifetime Premium | $39.99 | one-time |


### Magnetic Sensor

[App page](https://appshunter.io/ios/app/magnetic-sensor/id6764468454)

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

**In-app purchases:** none


## Frequently asked questions

### Is EMF Detector free?

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

### Is Magnetic Sensor free?

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

### Do EMF Detector or Magnetic Sensor have ads?

Both EMF Detector and Magnetic Sensor show ads.

### Which is updated more often, EMF Detector or Magnetic Sensor?

EMF Detector ships an update every 10 days, and Magnetic Sensor fortnightly. Most recently, EMF Detector was updated on October 25, 2026 and Magnetic Sensor on October 31, 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.*