# Magnetic Field Scanner vs EMF Tracker

The clearest difference is update cadence: EMF Tracker at every 5 days against Magnetic Field Scanner's every 2 months. EMF Tracker also leads on iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Magnetic Field Scanner sells 3 in-app purchases, starting at $5.99 per month and EMF Tracker sells 2 in-app purchases, starting at $2.99 per year. Whichever you choose, the download price is not the number that matters.

Magnetic Field Scanner ships an update every 2 months, EMF Tracker every 5 days. The most recent releases landed on September 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Magnetic Field Scanner | EMF Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (12 ratings)](https://appshunter.io/ios/app/magnetic-field-scanner/id6747452469/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 5 MB | 41 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Hoang Le](https://appshunter.io/developer/1763197902) | [PPLST Tech](https://appshunter.io/developer/1832748300) |

## What reviewers say

### Magnetic Field Scanner

[App page](https://appshunter.io/ios/app/magnetic-field-scanner/id6747452469)

This utility app uses your phone's magnetometer to detect unusual magnetic field spikes, which may indicate the presence of hidden electronic devices. It provides real-time alerts, visual graphs, and customizable sensitivity to help you scan your surroundings for potential privacy threats.

**Highlights:** Real-time magnetic field scanning, Hidden device alerts with adjustable sensitivity, Live visual graph of magnetic signals, 3-axis sensor readouts, Data history for pattern spotting, Offline and private operation

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MagnetoScanner Month Pass | $5.99 | per month |
| MagnetoScanner Year PAss | $29.99 | per year |
| MagnetoScanner Lifetime Access | $39.99 | one-time |


### EMF Tracker

[App page](https://appshunter.io/ios/app/emf-tracker/id6749901198)

This app measures electromagnetic field (EMF) levels using your phone's magnetometer. It provides real-time data, professional charts, and AI-powered insights to help you understand and manage your exposure. Track trends, identify patterns, and receive personalized advice to reduce potential risks.

**Highlights:** Real-time EMF detection, Professional charts and graphs, AI-powered insights and tips, Trend and pattern analysis, History and data export, 4-tier safety levels

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EMF Tracker - Wellness | $2.99 | per year |
| EMF Tracker - Pro | $4.99 | per year |


## Frequently asked questions

### Is Magnetic Field Scanner free?

Magnetic Field Scanner is free to download, with in-app purchases available.

### Is EMF Tracker free?

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

### Do Magnetic Field Scanner or EMF Tracker have ads?

Neither Magnetic Field Scanner nor EMF Tracker shows ads.

### Which is updated more often, Magnetic Field Scanner or EMF Tracker?

Magnetic Field Scanner ships an update every 2 months, and EMF Tracker every 5 days. Most recently, Magnetic Field Scanner was updated on September 25, 2026 and EMF Tracker on October 7, 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.*