# DuroMod vs GMCMap

The clearest difference is price: GMCMap at Free against DuroMod's $4.99. GMCMap also leads on ratings volume (19 vs 1). DuroMod's advantage is rating (5.0 vs 4.1) and review sentiment (100% vs 70%). On update cadence, ads, in-app purchases and device support there is nothing between them.

GMCMap is free to download; DuroMod costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DuroMod 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 1, so its average is the more settled of the two. Written reviews point the same way: 100% of DuroMod's written reviews are positive against 70% of GMCMap's.

DuroMod ships an update every 6 months, GMCMap every 5 months. The most recent releases landed on June 1, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | DuroMod | GMCMap |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/duromod/id1212080401/reviews)** | [4.1 (19 ratings)](https://appshunter.io/ios/app/gmcmap/id6459882680/reviews) |
| Number of ratings | 1 | **19** |
| Positive reviews | **100.0% of reviews** | 70.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | Paid | **Free** |
| Size | 0 MB | 27 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Peter Cerhan](https://appshunter.io/developer/1212080400) | [GQ Electronics LLC](https://appshunter.io/developer/1379843069) |

## What reviewers say

### DuroMod

[App page](https://appshunter.io/ios/app/duromod/id1212080401)

Convert durometer readings to elastic modulus for polymers. This tool supports all 12 durometer scales conforming to ASTM D2240-05, providing accurate material property data.

**Highlights:** Convert durometer readings to elastic modulus, Supports all 12 durometer scales, Conforms to ASTM D2240-05, Based on linear elastic indentation mechanics, Developed at Rheology Research Center

**Features:** macOS Compatibility

**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 DuroMod free?

DuroMod costs $4.99, with no in-app purchases.

### Is GMCMap free?

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

### Which has better reviews, DuroMod or GMCMap?

DuroMod is rated higher. DuroMod averages 5.0 out of 5 from 1 ratings, while GMCMap averages 4.1 from 19 ratings.

### Do DuroMod or GMCMap have ads?

Neither DuroMod nor GMCMap shows ads.

### Which is updated more often, DuroMod or GMCMap?

DuroMod ships an update every 6 months, and GMCMap every 5 months. Most recently, DuroMod was updated on June 1, 2026 and GMCMap on September 22, 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.*