Aranet Aranet4 Home vs IQAir AirVisual Pro: Which Should You Buy?
A spec-by-spec comparison of the Aranet Aranet4 Home ($200) and the IQAir AirVisual Pro ($500) — accuracy, sensors, connectivity, and which one fits your situation.
Quick Verdict
The Aranet Aranet4 Home is $300 cheaper; the IQAir AirVisual Pro tracks more parameters (5 vs 4); only the IQAir AirVisual Pro offers WiFi for remote monitoring; the Aranet Aranet4 Home is the portable option.
Choose the Aranet Aranet4 Home if you want to spend less, or you will carry it between rooms or when travelling.
Choose the IQAir AirVisual Pro if you want the fuller picture (CO2, PM2.5, Temperature, Humidity, AQI), or you need remote access and history in an app.
Specs Side by Side
| Feature | Aranet Aranet4 Home | IQAir AirVisual Pro |
|---|---|---|
| Price | $200 | $500 |
| Sensors | CO2, Temperature, Humidity, Atmospheric Pressure | CO2, PM2.5, Temperature, Humidity, AQI |
| Sensor Type | NDIR | NDIR |
| CO2 Accuracy | ±50 ppm | ±50 ppm |
| CO2 Range | 0-9999 ppm | 400-10000 ppm |
| Connectivity | Bluetooth | WiFi |
| Display | Yes | Yes |
| Portable | Yes | No |
| Battery Life | 2+ years | USB powered + 4-hour battery |
Green highlights the stronger spec where there is a clear winner.
Frequently Asked Questions
Which is better, the Aranet Aranet4 Home or the IQAir AirVisual Pro?+
The Aranet Aranet4 Home is $300 cheaper; the IQAir AirVisual Pro tracks more parameters (5 vs 4); only the IQAir AirVisual Pro offers WiFi for remote monitoring; the Aranet Aranet4 Home is the portable option. Choose the Aranet Aranet4 Home if you want to spend less, or you will carry it between rooms or when travelling. Choose the IQAir AirVisual Pro if you want the fuller picture (CO2, PM2.5, Temperature, Humidity, AQI), or you need remote access and history in an app.
Is the Aranet Aranet4 Home or IQAir AirVisual Pro cheaper?+
The Aranet Aranet4 Home is the more affordable option at $200, versus $500 for the IQAir AirVisual Pro.
Do both use real CO2 sensors?+
The Aranet Aranet4 Home uses a NDIR sensor; the IQAir AirVisual Pro uses a NDIR sensor. NDIR and photoacoustic sensors measure CO2 directly, unlike eCO2 estimators.
Which measures more air quality parameters?+
The IQAir AirVisual Pro tracks more, with 5 parameters (CO2, PM2.5, Temperature, Humidity, AQI), compared with 4 for the Aranet Aranet4 Home.
Neither One Quite Right? Consider These
Other monitors in the same class, ranked on sensor accuracy first.
AirGradient ONE
$150NDIR sensor · ±50 ppm · Built-in display
Research-grade ±50 ppm accuracy and tracks 6 metrics in one unit.
Airthings View Plus
$300NDIR sensor · ±50 ppm · Built-in display
Research-grade ±50 ppm accuracy and tracks 7 metrics in one unit.
Aranet Aranet4 Pro
$250NDIR sensor · ±30 ppm · Built-in display
The tightest accuracy in this list and runs 2+ years on a charge.
Browse the full monitor directory →
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