AirGradient ONE vs Aranet4 HOME (2026)

Data from Amazon and official AirGradient and Aranet sites.

2026 verdict

AirGradient ONE wins the 2026 matchup against Aranet4 HOME, mainly on connectivity and sensors.

Winner

$230.00

What pushes it ahead is connectivity and sensors, and its broader overall balance keeps the advantage from looking narrow. The only strong reason to choose Aranet4 HOME is if price and warranty are more important to you than the overall verdict. For the average buyer, AirGradient ONE is the safer choice.

Winner

AirGradient

AirGradient ONE

$230.00

Buy on Official Store

Aranet

Aranet4 HOME

€199.00

Buy on Amazon Germany

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Feature	AirGradient ONE	Aranet4 HOME	Winner
Price	$230.00	€199.00	Aranet4 HOME
Warranty	1 year	2 years	Aranet4 HOME
Connectivity	2.4 GHz WiFi, Bluetooth	Bluetooth	AirGradient ONE
Sensors	TVOC, PM0.3, PM1, PM2.5, PM10, CO2, NOx, Temperature, Humidity	CO2, Temperature, Humidity, Atmospheric Pressure	AirGradient ONE
Weather Resistance	NO	NO	Tie
Screen	YES	YES	Tie
Integrations	Home Assistant	Home Assistant	Tie
Alerts	Temperature Alerts, Humidity Alerts, Air Quality Alerts	Temperature Alerts, Humidity Alerts, Air Quality Alerts	Tie

Winner

AirGradient

AirGradient ONE

$230.00

Buy on Official Store

+ Connectivity: 2.4 GHz WiFi, Bluetooth
+ Sensors: TVOC, PM0.3, PM1, PM2.5, PM10, CO2, NOx, Temperature, Humidity
- Price: $230.00 vs €199.00
- Warranty: 1 year vs 2 years

Aranet

Aranet4 HOME

€199.00

Buy on Amazon Germany

+ Price: €199.00
+ Warranty: 2 years
- Connectivity: Bluetooth vs 2.4 GHz WiFi, Bluetooth
- Sensors: CO2, Temperature, Humidity, Atmospheric Pressure vs TVOC, PM0.3, PM1, PM2.5, PM10, CO2, NOx, Temperature, Humidity

Frequently Asked Questions

Which is better overall: AirGradient ONE or Aranet4 HOME?

AirGradient ONE has the stronger overall profile in this comparison, especially for connectivity and sensors.

What is the biggest difference between AirGradient ONE and Aranet4 HOME?

Price is one of the clearest differences: AirGradient ONE lists $230.00, while Aranet4 HOME lists €199.00.

Which one looks better on price?

AirGradient ONE is listed at $230.00, while Aranet4 HOME is listed at €199.00. Aranet4 HOME (better spec).

Who should buy AirGradient ONE?

Choose AirGradient ONE if your priority is connectivity and sensors and that matters more than price.

Who should buy Aranet4 HOME?

Choose Aranet4 HOME if your priority is price and warranty and that matters more than connectivity.

Full comparison table

Compare all 32 Air Quality Monitors side by side

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