# SatRadio vs Radex

The clearest difference is rating: SatRadio at 5.0 against Radex's 2.3. SatRadio also leads on ads (none vs shown) and monetization model (free vs ad-supported). Radex's advantage is update cadence (every 2 months vs every 10 months) and ratings volume (3 vs 1). On price, 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.

SatRadio holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

SatRadio ships an update every 10 months, Radex every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SatRadio | Radex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/satradio/id1497481844/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/radex-5g-emf-detector/id6738017621/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | **Free** | Ad-supported |
| Size | 8 MB | 4 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Dioptase](https://appshunter.io/developer/376559675) | [NETM S A S](https://appshunter.io/developer/1778903485) |

## What reviewers say

### SatRadio

[App page](https://appshunter.io/ios/app/satradio/id1497481844)

This app provides essential tools for radio and satellite communication engineers. It includes calculators and analysis features for antenna parameters, frequency calculations, link budgets, and modem performance. It also offers miscellaneous utilities for RF engineering tasks.

**Highlights:** Dish antenna analysis (axial ratio, gain, line of sight), Frequency calculations (phase noise, doppler, wavelength), Radio link analysis (coaxial losses, mismatch losses, EIRP), Modem performance metrics (C/N, C/I, PER, BER), Miscellaneous RF engineering utilities (dB calculator, converters)

**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 SatRadio free?

SatRadio 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, SatRadio or Radex?

SatRadio is rated higher. SatRadio averages 5.0 out of 5 from 1 ratings, while Radex averages 2.3 from 3 ratings.

### Do SatRadio or Radex have ads?

Radex shows ads; SatRadio does not.

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

SatRadio ships an update every 10 months, and Radex every 2 months. Most recently, SatRadio was updated on November 3, 2026 and Radex on October 30, 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.*