# Teslameter. vs Radex

The clearest difference is in-app purchases: Radex at none against Teslameter.'s 1. Radex also leads on review sentiment (33% vs 0%) and update cadence (every 2 months vs every 12 months). Teslameter.'s advantage is iOS requirement (12.0 vs 15.0). On price, ratings volume, ads and device support there is nothing between them.

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

Radex holds the better App Store score, 2.3 against 2.0. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews point the same way: 0% of Teslameter.'s written reviews are positive against 33% of Radex's.

Teslameter. ships an update every 12 months, Radex every 2 months. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Teslameter. | Radex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (3 ratings)](https://appshunter.io/ios/app/teslameter/id976926346/reviews) | **[2.3 (3 ratings)](https://appshunter.io/ios/app/radex-5g-emf-detector/id6738017621/reviews)** |
| Number of ratings | 3 | 3 |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 14 MB | 4 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [margaret kovatch](https://appshunter.io/developer/1039651981) | [NETM S A S](https://appshunter.io/developer/1778903485) |

## 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 |


### Radex

[App page](https://appshunter.io/ios/app/radex-5g-emf-detector/id6738017621)

This application measures 5G EMF radiation using your device's sensors and magnetometer. It offers an easy-to-use interface with a color-coded system for readings and supports Apple Watch integration.

**Highlights:** 5G EMF radiation detection, On-device sensor utilization, Magnetometer for accuracy, Color-coded readings, Apple Watch support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Teslameter. free?

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

### Is Radex free?

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

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

Radex is rated higher. Teslameter. averages 2.0 out of 5 from 3 ratings, while Radex averages 2.3 from 3 ratings.

### Do Teslameter. or Radex have ads?

Both Teslameter. and Radex show ads.

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

Teslameter. ships an update every 12 months, and Radex every 2 months. Most recently, Teslameter. was updated on October 16, 2026 and Radex on October 14, 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.*