# RadexM vs Sensor Technology Engineering

The clearest difference is update cadence: RadexM at monthly against Sensor Technology Engineering's every 7 months. Sensor Technology Engineering's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

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

RadexM ships an update monthly, Sensor Technology Engineering every 7 months. The most recent releases landed on September 16, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | RadexM | Sensor Technology Engineering |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (19 ratings)](https://appshunter.io/ios/app/radexm/id1524841479/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 7 months |
| Monetization | Free | — |
| Size | 113 MB | 94 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KVARTA-RAD, OOO](https://appshunter.io/developer/1524841481) | [Sensor Technology Engineering](https://appshunter.io/developer/1668239053) |

## What reviewers say

### RadexM

[App page](https://appshunter.io/ios/app/radexm/id1524841479)

This utility app enhances the functionality of RADEX devices by allowing easy settings adjustments and providing a history of measurements. View your data in graphical or tabular formats after connecting via Bluetooth.

**Highlights:** Bluetooth device connection, Quick settings changes, Measurement history tracking, Graphical data display, Tabular data display

**In-app purchases:** none


### Sensor Technology Engineering

[App page](https://appshunter.io/ios/app/sensor-technology-engineering/id1627959712)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RadexM free?

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

### Is Sensor Technology Engineering free?

Sensor Technology Engineering is free to download, with no in-app purchases.

### Do RadexM or Sensor Technology Engineering have ads?

Neither RadexM nor Sensor Technology Engineering shows ads.

### Which is updated more often, RadexM or Sensor Technology Engineering?

RadexM ships an update monthly, and Sensor Technology Engineering every 7 months. Most recently, RadexM was updated on September 16, 2026 and Sensor Technology Engineering on September 15, 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.*