# Teslameter. vs magnetoboy

The clearest difference is review sentiment: magnetoboy at 100% against Teslameter.'s 0%. magnetoboy also leads on rating (4.8 vs 2.0) and in-app purchases (none vs 1). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. Teslameter. sells 1 one-off in-app purchase. magnetoboy asks for nothing beyond the download.

magnetoboy holds the better App Store score, 4.8 against 2.0. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews point the same way: 0% of Teslameter.'s written reviews are positive against 100% of magnetoboy's.

Teslameter. ships an update every 12 months, magnetoboy monthly. The most recent releases landed on October 2, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Teslameter. | magnetoboy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (3 ratings)](https://appshunter.io/ios/app/teslameter/id976926346/reviews) | **[4.8 (5 ratings)](https://appshunter.io/ios/app/magnetoboy/id6444351760/reviews)** |
| Number of ratings | 3 | **5** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 14 MB | 23 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [margaret kovatch](https://appshunter.io/developer/1039651981) | [Smart Bros Ltd co](https://appshunter.io/developer/1654087128) |

## What reviewers say

### Teslameter.

[App page](https://appshunter.io/ios/app/teslameter/id976926346)

This utility app measures electromagnetic fields around you using your device's compass. It displays readings on X, Y, and Z axes in micro-teslas, along with a magnitude reading. Primarily for entertainment, it detects interference from magnetic objects or potential paranormal activity.

**Highlights:** Measures electromagnetic fields, Displays X, Y, Z axis readings, Calculates magnitude reading, Detects magnetic object interference, For entertainment purposes

**Features:** Vision Pro support

**In-app purchases (1)**

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


### magnetoboy

[App page](https://appshunter.io/ios/app/magnetoboy/id6444351760)

This utility app uses your device's magnetometer to measure and visualize magnetic fields. Detect ferromagnetic materials, observe field changes, and even use it for locating hidden objects by attaching a magnet. The app provides visual graphs and optional vibration feedback for strong fields.

**Highlights:** Measure magnetic field strength, Visualize magnetic fields with graphs, Detect ferromagnetic materials, Vibration feedback for strong fields, Useful for locating hidden objects, Observe Earth's magnetic field

**In-app purchases:** none


## Frequently asked questions

### Is Teslameter. free?

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

### Is magnetoboy free?

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

### Which has better reviews, Teslameter. or magnetoboy?

magnetoboy is rated higher. Teslameter. averages 2.0 out of 5 from 3 ratings, while magnetoboy averages 4.8 from 5 ratings.

### Do Teslameter. or magnetoboy have ads?

Teslameter. shows ads; magnetoboy does not.

### Which is updated more often, Teslameter. or magnetoboy?

Teslameter. ships an update every 12 months, and magnetoboy monthly. Most recently, Teslameter. was updated on October 2, 2026 and magnetoboy on September 27, 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.*