Airthings Wave Mini vs Apollo MSR-2 with CO2

Full Smart Air Quality Monitors comparison in 2026

Updated March 2026
Data from Amazon and official Airthings and Apollo Automation sites.
2026 verdict
In 2026, Airthings Wave Mini is the better overall pick. It has the clearer edge on integrations and alerts, and it stays ahead on its broader overall balance. Apollo MSR-2 with CO2 is the better fit only for buyers who prioritize price and sensors above everything else here. That keeps the verdict firmly in favor of Airthings Wave Mini.
FeatureAirthings Wave MiniApollo MSR-2 with CO2Winner
Price$71.35$56.09Apollo MSR-2 with CO2
IntegrationsGoogle Home, Alexa, Home Assistant, IFTTTHome AssistantAirthings Wave Mini
SensorsTVOC, Temperature, HumidityCO2, Temperature, Atmospheric Pressure, Ambient Light, UV, OccupancyApollo MSR-2 with CO2
AlertsTemperature Alerts, Humidity Alerts, Air Quality AlertsTemperature Alerts, Air Quality AlertsAirthings Wave Mini
Weather ResistanceNONOTie
ConnectivityBluetooth2.4 GHz WifiTie
ScreenNONOTie
Winner
21% OFF
$89.99
$71.35
BUY NOW
  • + Integrations: Google Home, Alexa, Home Assistant, IFTTT
  • + Alerts: Temperature Alerts, Humidity Alerts, Air Quality Alerts
  • - Price: $71.35 vs $56.09
  • - Sensors: TVOC, Temperature, Humidity vs CO2, Temperature, Atmospheric Pressure, Ambient Light, UV, Occupancy
$56.09
BUY NOW
  • + Price: $56.09
  • + Sensors: CO2, Temperature, Atmospheric Pressure, Ambient Light, UV, Occupancy
  • - Integrations: Home Assistant vs Google Home, Alexa, Home Assistant, IFTTT
  • - Alerts: Temperature Alerts, Air Quality Alerts vs Temperature Alerts, Humidity Alerts, Air Quality Alerts

Frequently Asked Questions (FAQ)

Which is better overall: Airthings Wave Mini or Apollo MSR-2 with CO2?
Airthings Wave Mini has the stronger overall profile in this comparison, especially for integrations and alerts.
What is the biggest difference between Airthings Wave Mini and Apollo MSR-2 with CO2?
Price is one of the clearest differences: Airthings Wave Mini lists $71.35, while Apollo MSR-2 with CO2 lists $56.09.
Which one looks better on price?
Airthings Wave Mini is listed at $71.35, while Apollo MSR-2 with CO2 is listed at $56.09. Apollo MSR-2 with CO2 (better spec).
Who should buy Airthings Wave Mini?
Choose Airthings Wave Mini if your priority is integrations and alerts and that matters more than price.
Who should buy Apollo MSR-2 with CO2?
Choose Apollo MSR-2 with CO2 if your priority is price and sensors and that matters more than integrations.
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