RadonPRO vs GMCMap
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RadonPRO
Connect wirelessly to your RadonPRO monitor to start tests and download data without an internet connection. Generate automatic PDF reports for unlimited customer management in the cloud.
- Wireless connection to RadonPRO monitor
- Start tests remotely
- Download data wirelessly
- Unlimited cloud reporting
- Automatic PDF report generation
- Customer management
Read full descriptionHide full description
The RadonPRO Companion App for iOS enables wireless connection to your RadonPRO monitor using a wireless connection on your smartphone or tablet. Start tests and download data wirelessly from your iPhone or iPad without an Internet Connection. The RadonPRO Companion App allows for unlimited reporting and customer management in the Cloud (Internet Connection Required for Cloud Reporting). This includes automatic PDF report generation using our gold-standard Radon Inspection Report Template. RadonPRO Monitors are endorsed by Inspector Nation and the Home Inspection Training Center, poising to arm the Radon Inspector with superior technology and knowledge, and a competitive edge in the marketplace.
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.
- Real-time radiation data
- Global coverage map
- Interactive map interface
- Historical data and trends
- Mobile convenience
Read full descriptionHide 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
Verdict
The clearest difference is rating: RadonPRO at 5.0 against GMCMap's 4.1. RadonPRO also leads on update cadence (every 3 weeks vs every 5 months). GMCMap's advantage is ratings volume (19 vs 1). On price, ads, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
RadonPRO 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.
RadonPRO ships an update every 3 weeks, GMCMap every 5 months. The most recent releases landed on September 18, 2026 and September 22, 2026 respectively.
| Parameter | RadonPRO | GMCMap |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.1 (19 ratings) |
| Positive reviews | — | 70.0% of reviews |
| Number of ratings | 1 | 19 — better |
| Update frequency | Every 3 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 36 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Gregory Enterprises | GQ Electronics LLC |
Customer experience
RadonPRO
GMCMap
In-app purchases
RadonPRO
No in-app purchases
GMCMap
No in-app purchases









