# FBOS Verifier vs GMCMap

The clearest difference is rating: FBOS Verifier at 5.0 against GMCMap's 4.1. GMCMap's advantage is update cadence (every 5 months vs every 12 months) and ratings volume (19 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

FBOS Verifier holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: GMCMap has 19 ratings behind it against 2, so its average is the more settled of the two.

FBOS Verifier ships an update every 12 months, GMCMap every 5 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | FBOS Verifier | GMCMap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fbos-verifier/id1508277002/reviews)** | [4.1 (19 ratings)](https://appshunter.io/ios/app/gmcmap/id6459882680/reviews) |
| Number of ratings | 2 | **19** |
| Positive reviews | — | 64.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 2 MB | 27 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [IAEA](https://appshunter.io/developer/535500126) | [GQ Electronics LLC](https://appshunter.io/developer/1379843069) |

## What reviewers say

### FBOS Verifier

[App page](https://appshunter.io/ios/app/fbos-verifier/id1508277002)

This utility app enables IAEA Inspectors to capture reference images and verify cobra seals. It provides a streamlined process for on-site inspections and documentation.

**Highlights:** Capture reference images, Verify cobra seals, Streamlined inspection process, On-site documentation

**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 FBOS Verifier free?

FBOS Verifier 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, FBOS Verifier or GMCMap?

FBOS Verifier is rated higher. FBOS Verifier averages 5.0 out of 5 from 2 ratings, while GMCMap averages 4.1 from 19 ratings.

### Do FBOS Verifier or GMCMap have ads?

Neither FBOS Verifier nor GMCMap shows ads.

### Which is updated more often, FBOS Verifier or GMCMap?

FBOS Verifier ships an update every 12 months, and GMCMap every 5 months. Most recently, FBOS Verifier was updated on October 24, 2026 and GMCMap on October 20, 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.*