Data from Amazon and official Apollo Automation and IQAir sites.
2026 verdict
In 2026, the recommendation leans toward IQAir AirVisual Pro. Its strongest advantages show up in screen, integrations, and sensors, with its broader overall balance helping widen the gap. There is still a case for Apollo MSR-2 with CO2, but mainly if price and alerts is what you value most. That is enough to make IQAir AirVisual Pro the better pick for most buyers.
| Feature | Apollo MSR-2 with CO2 | IQAir AirVisual Pro | Winner |
|---|---|---|---|
| Price | $56.09 | $329.99 | Apollo MSR-2 with CO2 |
| Screen | NO | YES | IQAir AirVisual Pro |
| Integrations | Home Assistant | Home Assistant, IFTTT | IQAir AirVisual Pro |
| Sensors | CO2, Temperature, Atmospheric Pressure, Ambient Light, UV, Occupancy | TVOC, PM0.1, PM2.5, PM10, CO2, Temperature, Humidity | IQAir AirVisual Pro |
| Alerts | Temperature Alerts, Air Quality Alerts | Air Quality Alerts | Apollo MSR-2 with CO2 |
| Weather Resistance | NO | NO | Tie |
| Connectivity | 2.4 GHz Wifi | 2.4 GHz Wifi | Tie |
$56.09
- + Price: $56.09
- + Alerts: Temperature Alerts, Air Quality Alerts
- - Screen: NO vs YES
- - Integrations: Home Assistant vs Home Assistant, IFTTT
Winner
$329.99
- + Screen: YES
- + Integrations: Home Assistant, IFTTT
- + Sensors: TVOC, PM0.1, PM2.5, PM10, CO2, Temperature, Humidity
- - Price: $329.99 vs $56.09
- - Alerts: Air Quality Alerts vs Temperature Alerts, Air Quality Alerts
Frequently Asked Questions (FAQ)
- Which is better overall: Apollo MSR-2 with CO2 or IQAir AirVisual Pro?
- IQAir AirVisual Pro has the stronger overall profile in this comparison, especially for screen, integrations, and sensors.
- What is the biggest difference between Apollo MSR-2 with CO2 and IQAir AirVisual Pro?
- Price is one of the clearest differences: Apollo MSR-2 with CO2 lists $56.09, while IQAir AirVisual Pro lists $329.99.
- Which one looks better on price?
- Apollo MSR-2 with CO2 is listed at $56.09, while IQAir AirVisual Pro is listed at $329.99. 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 alerts and that matters more than screen.
- Who should buy IQAir AirVisual Pro?
- Choose IQAir AirVisual Pro if your priority is screen and integrations and that matters more than price.
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