# Atom Radiometer vs RADOM

The clearest difference is update cadence: Atom Radiometer at monthly against RADOM's every 8 months. Atom Radiometer also leads on iOS requirement (9.0 vs 15.5). On price, ads, 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.

Atom Radiometer ships an update monthly, RADOM every 8 months. The most recent releases landed on September 27, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Atom Radiometer | RADOM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (9 ratings)](https://appshunter.io/ios/app/atom-radiometer/id923687267/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 54.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 8 months |
| Monetization | Free | — |
| Size | 20 MB | 3 MB |
| Requires iOS | **9.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maxim Koshelev](https://appshunter.io/developer/923687266) | [JS TECHWIN Co., Ltd.](https://appshunter.io/developer/1641211285) |

## 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


### RADOM

[App page](https://appshunter.io/ios/app/radom/id1641211283)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Atom Radiometer free?

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

### Is RADOM free?

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

### Do Atom Radiometer or RADOM have ads?

Neither Atom Radiometer nor RADOM shows ads.

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

Atom Radiometer ships an update monthly, and RADOM every 8 months. Most recently, Atom Radiometer was updated on September 27, 2026 and RADOM on September 17, 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.*