# Gaussmeter NS pole vs µMagnetometer

Gaussmeter NS pole and µMagnetometer both sit at 4.3 stars, but that hides the real split: 71% of Gaussmeter NS pole's written reviews are positive against 23% of µMagnetometer's. Gaussmeter NS pole also leads on price (Free vs $1.99). µMagnetometer's advantage is in-app purchases (none vs 1) and ads (none vs shown). On rating and device support there is nothing between them.

Gaussmeter NS pole is free to download; µMagnetometer costs $1.99 up front. Gaussmeter NS pole sells 1 one-off in-app purchase. µMagnetometer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.3 for Gaussmeter NS pole against 4.4 for µMagnetometer. That said, the two scores are not equally well evidenced: µMagnetometer has 67 ratings behind it against 9, so its average is the more settled of the two. Written reviews are what separate them: 71% of Gaussmeter NS pole's written reviews are positive against 23% of µMagnetometer's.

Gaussmeter NS pole ships an update every 17 months, µMagnetometer every 4 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Gaussmeter NS pole | µMagnetometer |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.3 (9 ratings)](https://appshunter.io/ios/app/gaussmeter-ns-pole/id615991204/reviews) | **[4.4 (67 ratings)](https://appshunter.io/ios/app/magnetometer/id1482576105/reviews)** |
| Number of ratings | 9 | **67** |
| Positive reviews | **71.4% of reviews** | 23.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 17 months | **Every 4 months** |
| Monetization | **Ad-supported** | Paid |
| Size | 11 MB | 15 MB |
| Requires iOS | 15 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [Dmytro Hrebeniuk](https://appshunter.io/developer/1458758581) |

## 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 |


### µMagnetometer

[App page](https://appshunter.io/ios/app/magnetometer/id1482576105)

Measures the strength of the magnetic field around you using your device's magnetometer. Requires Location Services to be enabled on iOS. Provides microtesla readings for nearby magnetic fields.

**Highlights:** Measures magnetic field strength, Displays readings in microteslas, Utilizes device magnetometer, Requires Location Services (iOS)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Gaussmeter NS pole free?

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

### Is µMagnetometer free?

µMagnetometer costs $1.99, with no in-app purchases.

### Which has better reviews, Gaussmeter NS pole or µMagnetometer?

µMagnetometer is rated higher. Gaussmeter NS pole averages 4.3 out of 5 from 9 ratings, while µMagnetometer averages 4.4 from 67 ratings.

### Do Gaussmeter NS pole or µMagnetometer have ads?

Gaussmeter NS pole shows ads; µMagnetometer does not.

### Which is updated more often, Gaussmeter NS pole or µMagnetometer?

Gaussmeter NS pole ships an update every 17 months, and µMagnetometer every 4 months. Most recently, Gaussmeter NS pole was updated on October 23, 2026 and µMagnetometer on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*