Apollo MSR-2 with CO2 vs X-Sense XR0A-iR Wi-Fi Radon Detector

Updated September 2026

Data from Amazon and official Apollo Automation and X-Sense sites.

2026 verdict

Apollo MSR-2 with CO2 is the more complete option versus X-Sense XR0A-iR Wi-Fi Radon Detector in 2026, helped most by price, integrations, and sensors.

Winner

Apollo MSR-2 with CO2

$56.09

Buy on Official Store

Its strongest advantages show up in price, integrations, and sensors, with its broader overall balance helping widen the gap. X-Sense XR0A-iR Wi-Fi Radon Detector still makes sense if screen is your priority, but most buyers should still lean toward Apollo MSR-2 with CO2. That is enough to make Apollo MSR-2 with CO2 the better pick for most buyers.

Winner

Apollo Automation

Apollo MSR-2 with CO2

$56.09

Buy on Official Store

X-Sense

X-Sense XR0A-iR Wi-Fi Radon Detector

$99.99

Buy on Amazon USA

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Feature	Apollo MSR-2 with CO2	X-Sense XR0A-iR Wi-Fi Radon Detector	Winner
Price	$56.09	$99.99	Apollo MSR-2 with CO2
Screen	NO	YES	X-Sense XR0A-iR Wi-Fi Radon Detector
Integrations	Home Assistant	None	Apollo MSR-2 with CO2
Sensors	CO2, Temperature, Atmospheric Pressure, Ambient Light, UV, Occupancy	Radon, Temperature, Humidity	Apollo MSR-2 with CO2
Weather Resistance	NO	NO	Tie
Connectivity	2.4 GHz WiFi	2.4 GHz WiFi	Tie
Alerts	Temperature Alerts, Air Quality Alerts	Air Quality Alerts, Low Battery Alerts	Tie

Winner

Apollo Automation

Apollo MSR-2 with CO2

$56.09

Buy on Official Store

+ Price: $56.09
+ Integrations: Home Assistant
+ Sensors: CO2, Temperature, Atmospheric Pressure, Ambient Light, UV, Occupancy
- Screen: NO vs YES

X-Sense

X-Sense XR0A-iR Wi-Fi Radon Detector

$99.99

Buy on Amazon USA

+ Screen: YES
- Price: $99.99 vs $56.09
- Integrations: None vs Home Assistant

Frequently Asked Questions

Which is better overall: Apollo MSR-2 with CO2 or X-Sense XR0A-iR Wi-Fi Radon Detector?

Apollo MSR-2 with CO2 has the stronger overall profile in this comparison, especially for price, integrations, and sensors.

What is the biggest difference between Apollo MSR-2 with CO2 and X-Sense XR0A-iR Wi-Fi Radon Detector?

Price is one of the clearest differences: Apollo MSR-2 with CO2 lists $56.09, while X-Sense XR0A-iR Wi-Fi Radon Detector lists $99.99.

Which one looks better on price?

Apollo MSR-2 with CO2 is listed at $56.09, while X-Sense XR0A-iR Wi-Fi Radon Detector is listed at $99.99. Apollo MSR-2 with CO2 (better spec).

Who should buy Apollo MSR-2 with CO2?

Choose Apollo MSR-2 with CO2 if your priority is price and integrations and that matters more than screen.

Who should buy X-Sense XR0A-iR Wi-Fi Radon Detector?

Choose X-Sense XR0A-iR Wi-Fi Radon Detector if your priority is screen and that matters more than price.

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