# Atom Radiometer vs RadexM

The clearest difference is review sentiment: RadexM at 100% against Atom Radiometer's 54%. RadexM also leads on rating (4.8 vs 3.7). Atom Radiometer's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 16.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

RadexM holds the better App Store score, 4.8 against 3.7. Both are backed by a comparable volume of ratings — 9 and 19 respectively. Written reviews point the same way: 54% of Atom Radiometer's written reviews are positive against 100% of RadexM's.

Atom Radiometer ships an update monthly, RadexM every 3 weeks. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Atom Radiometer | RadexM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (9 ratings)](https://appshunter.io/ios/app/atom-radiometer/id923687267/reviews) | **[4.8 (19 ratings)](https://appshunter.io/ios/app/radexm/id1524841479/reviews)** |
| Number of ratings | 9 | **19** |
| Positive reviews | 54.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 20 MB | 113 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Maxim Koshelev](https://appshunter.io/developer/923687266) | [KVARTA-RAD, OOO](https://appshunter.io/developer/1524841481) |

## What reviewers say

### Atom Radiometer

[App page](https://appshunter.io/ios/app/atom-radiometer/id923687267)

Monitor radiation levels in your surroundings, including objects and food, using compatible radiometer devices. Ensure your environment and personal health metrics are within normal ranges by checking radiation background.

**Highlights:** Connects to Atom Simple, Atom Tag, Atom Swift, and Atom Fast radiometers, Monitors radiation background, Checks radiation of objects and food, Supports wired and wireless connections, Displays environmental and personal health metrics

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Atom Radiometer free?

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

### Is RadexM free?

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

### Which has better reviews, Atom Radiometer or RadexM?

RadexM is rated higher. Atom Radiometer averages 3.7 out of 5 from 9 ratings, while RadexM averages 4.8 from 19 ratings.

### Do Atom Radiometer or RadexM have ads?

Neither Atom Radiometer nor RadexM shows ads.

### Which is updated more often, Atom Radiometer or RadexM?

Atom Radiometer ships an update monthly, and RadexM every 3 weeks. Most recently, Atom Radiometer was updated on October 13, 2026 and RadexM on October 3, 2026.

---

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