Aranet Radon Plus vs Eve Room

The Eve Room wins overall here on price, connectivity, integrations and alert coverage, connecting to Apple HomeKit, Home Assistant and Matter over Bluetooth and Thread. The Aranet Radon Plus stands out as a specialist radon monitor with a higher owner rating, an IP20 housing and a battery rated around 7 years, but it reads no VOCs and integrates with Home Assistant alone.

Their core purpose. The Aranet Radon Plus is a dedicated radon detector (also temperature, humidity and pressure) aimed at basements and radon-prone homes, while the Eve Room is a VOC, temperature and humidity monitor built for Apple's smart home. Neither measures the other's headline pollutant.

The Eve Room. It works with Apple HomeKit, Home Assistant and Matter over Bluetooth and Thread, whereas the Aranet Radon Plus is Bluetooth-only and integrates with Home Assistant alone, with no Wi-Fi, HomeKit, Alexa, Google Home or Matter.

The Aranet Radon Plus, by far. It is rated for around 7 years on two AA batteries thanks to its low-power e-ink display, while the Eve Room lasts roughly 6 weeks per rechargeable charge.

Homeowners worried about radon, especially in a basement or radon-prone area, or anyone validating a radon mitigation system. The Aranet Radon Plus delivers fast, accurate radon readings, a multi-year battery and Home Assistant support, though it does not measure VOCs or particulates.

Apple HomeKit users who want connected VOC, temperature and humidity monitoring with air quality alerts. The Eve Room is the cheaper, better-connected pick (HomeKit, Home Assistant and Matter over Thread), though its VOC sensor can be inconsistent and it does not detect radon.