RadonPRO vs Radon Sniffer
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
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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.
Radon Sniffer
Monitor radon levels in real time with this companion app for CT007R Radon Sniffers. Expand device functionality with timed runs and customizable settings for enhanced environmental monitoring.
- Real-time radon level monitoring
- Bluetooth Low Energy connectivity
- Timed run functionality
- Configurable settings
- Companion app for CT007R Radon Sniffers
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This is a companion app for CT007R Radon Sniffers. Connect to your CT007R via Bluetooth Low Energy and you can monitor radon levels in real time, expand the usage of your CT007R with timed runs and configurable settings. For more information on CT007R Radon Sniffers, visit: http://radonsniffer.com/
Screenshots
Verdict
The clearest difference is update cadence: RadonPRO at every 3 weeks against Radon Sniffer's every 2 months. 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 ships an update every 3 weeks, Radon Sniffer every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | RadonPRO | Radon Sniffer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 32 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Gregory Enterprises | Environmental Instruments Canada |
Customer experience
RadonPRO
Radon Sniffer
In-app purchases
RadonPRO
No in-app purchases
Radon Sniffer
No in-app purchases
