# Gaussmeter NS pole vs EMF Detector (Scanner)

The clearest difference is review sentiment: Gaussmeter NS pole at 71% against EMF Detector (Scanner)'s 0%. Gaussmeter NS pole also leads on rating (4.3 vs 1.0) and monetization model (ad-supported vs free with in-app purchases). EMF Detector (Scanner)'s advantage is update cadence (weekly vs every 17 months). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Gaussmeter NS pole sells 1 one-off in-app purchase and EMF Detector (Scanner) sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Gaussmeter NS pole holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: Gaussmeter NS pole has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 71% of Gaussmeter NS pole's written reviews are positive against 0% of EMF Detector (Scanner)'s.

Gaussmeter NS pole ships an update every 17 months, EMF Detector (Scanner) weekly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Gaussmeter NS pole | EMF Detector (Scanner) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (9 ratings)](https://appshunter.io/ios/app/gaussmeter-ns-pole/id615991204/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/emf-detector-scanner/id6759452241/reviews) |
| Number of ratings | **9** | 1 |
| Positive reviews | **71.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 17 months | **Weekly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 11 MB | 6 MB |
| Requires iOS | **15** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [JongMin Lee](https://appshunter.io/developer/1796849061) |

## What reviewers say

### Gaussmeter NS pole

[App page](https://appshunter.io/ios/app/gaussmeter-ns-pole/id615991204)

Measure magnetic fields in microteslas using your device's sensor. Simply place the screen near a magnet to identify its North or South pole.

**Highlights:** Magnetic field measurement, Microtesla units, S or N pole detection, Uses device's magnetic sensor

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### EMF Detector (Scanner)

[App page](https://appshunter.io/ios/app/emf-detector-scanner/id6759452241)

Visualize electromagnetic field activity using your device's magnetometer. Monitor real-time changes with clear graphs and history logs. Useful for checking electronics and exploring magnetic environments.

**Highlights:** Real-time EMF meter, Live waveform and graph views, FFT frequency analysis, Signal change detection, Measurement history, Export options (PDF, video), Interactive sound effects

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Premium Pass | $0.99 | one-time |
| 1 Year Premium Pass | $2.99 | one-time |


## Frequently asked questions

### Is Gaussmeter NS pole free?

Gaussmeter NS pole is free to download, with in-app purchases available.

### Is EMF Detector (Scanner) free?

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

### Which has better reviews, Gaussmeter NS pole or EMF Detector (Scanner)?

Gaussmeter NS pole is rated higher. Gaussmeter NS pole averages 4.3 out of 5 from 9 ratings, while EMF Detector (Scanner) averages 1.0 from 1 ratings.

### Do Gaussmeter NS pole or EMF Detector (Scanner) have ads?

Both Gaussmeter NS pole and EMF Detector (Scanner) show ads.

### Which is updated more often, Gaussmeter NS pole or EMF Detector (Scanner)?

Gaussmeter NS pole ships an update every 17 months, and EMF Detector (Scanner) weekly. Most recently, Gaussmeter NS pole was updated on November 1, 2026 and EMF Detector (Scanner) 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.*