# Fluxmeter vs Radex

The clearest difference is review sentiment: Fluxmeter at 100% against Radex's 33%. Fluxmeter also leads on rating (4.5 vs 2.3) and ads (none vs shown). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Fluxmeter holds the better App Store score, 4.5 against 2.3. Both are backed by a comparable volume of ratings — 8 and 3 respectively. Written reviews point the same way: 100% of Fluxmeter's written reviews are positive against 33% of Radex's.

Fluxmeter ships an update fortnightly, Radex every 2 months. The most recent releases landed on October 12, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Fluxmeter | Radex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (8 ratings)](https://appshunter.io/ios/app/fluxmeter/id1601060261/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/radex-5g-emf-detector/id6738017621/reviews) |
| Number of ratings | **8** | 3 |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Size | 7 MB | 4 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Engineering Director, Inc.](https://appshunter.io/developer/1480828201) | [NETM S A S](https://appshunter.io/developer/1778903485) |

## What reviewers say

### Fluxmeter

[App page](https://appshunter.io/ios/app/fluxmeter/id1601060261)

This utility app detects invisible electromagnetic fields using your device's magnetometer. It scans for alternating current waves from power lines and unshielded devices, employing a unique algorithm to isolate local magnetic flux.

**Highlights:** Detects electromagnetic fields, Uses device magnetometer, Scans for 50/60hz AC waves, Measures local magnetic flux, Proprietary zeroing algorithm

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Fluxmeter free?

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

### Is Radex free?

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

### Which has better reviews, Fluxmeter or Radex?

Fluxmeter is rated higher. Fluxmeter averages 4.5 out of 5 from 8 ratings, while Radex averages 2.3 from 3 ratings.

### Do Fluxmeter or Radex have ads?

Radex shows ads; Fluxmeter does not.

### Which is updated more often, Fluxmeter or Radex?

Fluxmeter ships an update fortnightly, and Radex every 2 months. Most recently, Fluxmeter was updated on October 12, 2026 and Radex on September 29, 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.*