Comparison

InterSpec Radiation Analysis vs GMCMap

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

InterSpec Radiation Analysis

Analyze nuclear radiation spectral data to identify nuclides, determine source activity, and calculate shielding. Supports various detector file formats and includes tools for dose rate calculations and nuclide decay information.

Highlights
  • Spectral nuclear radiation data analysis
  • Nuclide identification
  • Source activity determination
  • Shielding amount calculation
  • Spectral file format conversion
  • Dose rate calculations
  • Interactive nuclide decay information
Features
Read full description

InterSpec assists in analyzing spectral nuclear radiation data, using a peak-based methodology. Common uses include identifying nuclides present, determining source activity, shielding amounts, source age, or other nuclear reactions present. InterSpec also provides a number of other tools useful for analyzing radiation data including spectral file format converting, dose rate calculations, interactive nuclide decay and reference information, gamma cross section calculations and references, and more. InterSpec can open data files from most common spectral radiation detectors (e.g., most NaI, HPGe, LaBr, CLYC, CsI, etc. based systems) and assist in their analysis.

About

GMCMap

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
Read full description

GMCMap, is your go-to mobile app for providing users with a real-time radiation world map. Designed to offer a comprehensive and up-to-date view of global radiation levels, this user-friendly and accessible tool is an essential resource for individuals, organizations, and authorities concerned with monitoring and understanding radiation patterns across the world. Key Features: Mobile Convenience: Access GMCMap seamlessly on your mobile device. Stay updated with real-time radiation data, whether you're at home or on the go. Real-Time Data: GMCMap harnesses the power of advanced technology and data sources to present real-time radiation measurements from various monitoring stations worldwide. Users can access the latest information, enabling them to respond swiftly to any potential radiation-related incidents or track ongoing situations. Global Coverage: With extensive coverage encompassing regions from densely populated urban centers to remote locations, the platform offers an accurate portrayal of radiation levels on a global scale. It allows users to visualize the distribution of radiation and assess potential risks at different locations. Interactive Map Interface: The interactive map interface of GMCMap allows users to explore radiation data effortlessly. Users can zoom in to view specific areas in greater detail or zoom out for a broader perspective of the global radiation situation. By clicking on individual monitoring points, users can access more detailed information about the specific radiation levels at that location. Radiation Trends and Analysis: GMCMap doesn't only provide instantaneous radiation levels; it also offers historical data and trend analysis, allowing users to track long-term changes and fluctuations in radiation levels. This feature can be particularly valuable for researchers, policymakers, and environmental agencies studying radiation patterns and their potential impact. GMCMap is an indispensable tool for radiation monitoring, research, and environmental vigilance. Download the app now and empower yourself to make informed decisions, contribute to a safer world, and protect what matters most.

Screenshots

InterSpec Radiation Analysis4 screens
GMCMap4 screens

Verdict

The call

InterSpec Radiation Analysis and GMCMap both sit at 4.2 stars, but that hides the real split: 100% of InterSpec Radiation Analysis's written reviews are positive against 70% of GMCMap's. InterSpec Radiation Analysis also leads on iOS requirement (11.0 vs 15.1). GMCMap's advantage is update cadence (every 5 months vs every 11 months). On price, rating, ratings volume and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.2 for InterSpec Radiation Analysis against 4.1 for GMCMap. Both are backed by a comparable volume of ratings — 10 and 19 respectively. Written reviews are what separate them: 100% of InterSpec Radiation Analysis's written reviews are positive against 70% of GMCMap's.

UpkeepUpdate frequency

InterSpec Radiation Analysis ships an update every 11 months, GMCMap every 5 months. The most recent releases landed on September 13, 2026 and September 22, 2026 respectively.

Scorecard3 real differences · 7 level
InterSpec Radiation Analysis versus GMCMap: the parameters behind the verdict, then further details
ParameterInterSpec Radiation AnalysisGMCMap
PriceFreeFree
Rating4.2 (10 ratings) — better4.1 (19 ratings)
Positive reviews100.0% of reviews — better70.0% of reviews
Number of ratings1019 — better
Update frequencyEvery 11 monthsEvery 5 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.1
Further details — not scored
Size80 MB27 MB
Age rating4+4+
DeveloperWilliam JohnsonGQ Electronics LLC

Customer experience

InterSpec Radiation Analysis

All ratings10 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

GMCMap

All ratings19 ratings
Positive78.9%
Neutral0.0%
Negative21.1%
Written reviews10 reviews
Positive70.0%
Neutral0.0%
Negative30.0%

In-app purchases

None

InterSpec Radiation Analysis

No in-app purchases

None

GMCMap

No in-app purchases

Questions

Is InterSpec Radiation Analysis free?
InterSpec Radiation Analysis 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, InterSpec Radiation Analysis or GMCMap?
InterSpec Radiation Analysis is rated higher. InterSpec Radiation Analysis averages 4.2 out of 5 from 10 ratings, while GMCMap averages 4.1 from 19 ratings.
Do InterSpec Radiation Analysis or GMCMap have ads?
Neither InterSpec Radiation Analysis nor GMCMap shows ads.
Which is updated more often, InterSpec Radiation Analysis or GMCMap?
InterSpec Radiation Analysis ships an update every 11 months, and GMCMap every 5 months. Most recently, InterSpec Radiation Analysis was updated on September 13, 2026 and GMCMap on September 22, 2026.

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