# Teslameter. vs Physics Labs

The clearest difference is review sentiment: Physics Labs at 100% against Teslameter.'s 0%. Physics Labs also leads on in-app purchases (none vs 1) and update cadence (every 2 weeks vs every 12 months). Teslameter.'s advantage is iOS requirement (12.0 vs 15.6). On price, ads and device support there is nothing between them.

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

Teslameter. ships an update every 12 months, Physics Labs every 2 weeks. The most recent releases landed on October 16, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Teslameter. | Physics Labs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (3 ratings)](https://appshunter.io/ios/app/teslameter/id976926346/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 14 MB | 32 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [margaret kovatch](https://appshunter.io/developer/1039651981) | [Huseyin Aykut Uludag](https://appshunter.io/developer/1469165629) |

## 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 |


### Physics Labs

[App page](https://appshunter.io/ios/app/physics-labs/id6472849584)

This app uses your device's sensors to measure various physical quantities like acceleration, magnetic fields, and sound levels. View data in coordinates or scalar magnitude, and export it to Excel for analysis. It's a digital lab for your phone.

**Highlights:** Measure acceleration, magnetic fields, and sound levels, View data in X, Y, Z coordinates or scalar magnitude, Export sensor data to Excel for analysis, Eliminate gravity from acceleration measurements, Measure atmospheric pressure

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Teslameter. free?

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

### Is Physics Labs free?

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

### Do Teslameter. or Physics Labs have ads?

Both Teslameter. and Physics Labs show ads.

### Which is updated more often, Teslameter. or Physics Labs?

Teslameter. ships an update every 12 months, and Physics Labs every 2 weeks. Most recently, Teslameter. was updated on October 16, 2026 and Physics Labs on September 18, 2026.

---

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