# Teslameter. vs Magnetic Detector, Stud Finder

The clearest difference is review sentiment: Magnetic Detector, Stud Finder at 90% against Teslameter.'s 0%. Magnetic Detector, Stud Finder also leads on rating (4.6 vs 2.0) and update cadence (every 2 months vs every 12 months). Teslameter.'s advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Teslameter. sells 1 one-off in-app purchase and Magnetic Detector, Stud Finder sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Magnetic Detector, Stud Finder holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: Magnetic Detector, Stud Finder has 444 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of Teslameter.'s written reviews are positive against 90% of Magnetic Detector, Stud Finder's.

Teslameter. ships an update every 12 months, Magnetic Detector, Stud Finder every 2 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Teslameter. | Magnetic Detector, Stud Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (3 ratings)](https://appshunter.io/ios/app/teslameter/id976926346/reviews) | **[4.6 (444 ratings)](https://appshunter.io/ios/app/magnetic-detector-stud-finder/id1403751803/reviews)** |
| Number of ratings | 3 | **444** |
| Positive reviews | 0.0% of reviews | **90.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 30 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [margaret kovatch](https://appshunter.io/developer/1039651981) | [Jose Bello](https://appshunter.io/developer/1013437387) |

## 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 |


### Magnetic Detector, Stud Finder

[App page](https://appshunter.io/ios/app/magnetic-detector-stud-finder/id1403751803)

This app uses your device's magnetometer to detect magnetic and electromagnetic fields. It helps locate metal objects, hidden wires, pipes, and even wood studs behind walls. Get real-time readings and alerts to explore your surroundings.

**Highlights:** Detects magnetic and EMF fields, Locates metal objects, wires, and pipes, Finds hidden wood studs behind walls, Real-time magnetic field intensity readings (μT & mG), Active detection beep alerts, Automatic storage of time and measurements

**Features:** Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Full Access | $4.99 | per 7 days |
| Remove Ads - Magnetic Detector | $2.99 | one-time |
| Unlock all - Premium & Warning Beep | $4.99 | one-time |
| Lifetime Full Access | $12.99 | one-time |

**What reviewers like**

- ⭐ Accurate magnetic detection
- 👍 Easy to use and intuitive
- 🔍 Helpful for finding hidden metal objects
- 🔧 Useful for troubleshooting mechanical issues (e.g., magnetized watches)

**What reviewers complain about**

- 💰 Ads can be intrusive in free version
- 🔒 Concerns about privacy and data collection
- 🔋 Potential impact on device battery life

**Reported bugs**

- Readings sometimes inconsistent or stop at certain thresholds
- Compatibility issues with some devices

**Requested features**

- Add support for measuring electric fields
- Improve accuracy and sensitivity
- Provide more detailed readings and analysis


## Frequently asked questions

### Is Teslameter. free?

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

### Is Magnetic Detector, Stud Finder free?

Magnetic Detector, Stud Finder is free to download, with in-app purchases available.

### Which has better reviews, Teslameter. or Magnetic Detector, Stud Finder?

Magnetic Detector, Stud Finder is rated higher. Teslameter. averages 2.0 out of 5 from 3 ratings, while Magnetic Detector, Stud Finder averages 4.6 from 444 ratings.

### Do Teslameter. or Magnetic Detector, Stud Finder have ads?

Both Teslameter. and Magnetic Detector, Stud Finder show ads.

### Which is updated more often, Teslameter. or Magnetic Detector, Stud Finder?

Teslameter. ships an update every 12 months, and Magnetic Detector, Stud Finder every 2 months. Most recently, Teslameter. was updated on November 1, 2026 and Magnetic Detector, Stud Finder on November 6, 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.*