# Radiation Scan Pro vs GMCMap

The clearest difference is rating: GMCMap at 4.1 against Radiation Scan Pro's 3.2. GMCMap also leads on review sentiment (70% vs 52%). Radiation Scan Pro's advantage is iOS requirement (8.0 vs 15.1). 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.

GMCMap holds the better App Store score, 4.1 against 3.2. Both are backed by a comparable volume of ratings — 16 and 19 respectively. Written reviews point the same way: 52% of Radiation Scan Pro's written reviews are positive against 70% of GMCMap's.

Radiation Scan Pro ships an update every 3 months, GMCMap every 5 months. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Radiation Scan Pro | GMCMap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (16 ratings)](https://appshunter.io/ios/app/radiation-scan-pro/id1497887529/reviews) | **[4.1 (19 ratings)](https://appshunter.io/ios/app/gmcmap/id6459882680/reviews)** |
| Number of ratings | 16 | **19** |
| Positive reviews | 51.9% of reviews | **70.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 62 MB | 27 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FFZ srl](https://appshunter.io/developer/533499912) | [GQ Electronics LLC](https://appshunter.io/developer/1379843069) |

## What reviewers say

### Radiation Scan Pro

[App page](https://appshunter.io/ios/app/radiation-scan-pro/id1497887529)

Check the nuclear radiation levels of your current location or any point of interest using a constantly updated database. View nuclear power plants on a map with real-time data and share your findings with superimposed radiation information on photos.

**Highlights:** Real-time radiation level checks, Searchable points of interest, Nuclear power plant map, Photo sharing with data overlay, Customizable meter skins and sounds

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

**In-app purchases:** none


### GMCMap

[App page](https://appshunter.io/ios/app/gmcmap/id6459882680)

This app provides a real-time radiation map of the world, displaying current radiation levels from monitoring stations globally. It features an interactive map, historical data, and trend analysis for comprehensive environmental vigilance.

**Highlights:** Real-time radiation data, Global coverage map, Interactive map interface, Historical data and trends, Mobile convenience

**In-app purchases:** none


## Frequently asked questions

### Is Radiation Scan Pro free?

Radiation Scan Pro is free to download, with no in-app purchases.

### Is GMCMap free?

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

### Which has better reviews, Radiation Scan Pro or GMCMap?

GMCMap is rated higher. Radiation Scan Pro averages 3.2 out of 5 from 16 ratings, while GMCMap averages 4.1 from 19 ratings.

### Do Radiation Scan Pro or GMCMap have ads?

Neither Radiation Scan Pro nor GMCMap shows ads.

### Which is updated more often, Radiation Scan Pro or GMCMap?

Radiation Scan Pro ships an update every 3 months, and GMCMap every 5 months. Most recently, Radiation Scan Pro was updated on October 13, 2026 and GMCMap on October 8, 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.*