Apollo MSR-2 with CO2 vs Aqara TVOC Air Quality Monitor

Full Smart Air Quality Monitors comparison in 2026

Data from Amazon and official Apollo Automation and Aqara sites.
2026 verdict
Looking at the full picture in 2026, Aqara TVOC Air Quality Monitor gets the edge. Its clearest strengths are price, screen, and integrations, and it still looks stronger on alerts. Choose Apollo MSR-2 with CO2 only if sensors matters more to you than the broader advantage from Aqara TVOC Air Quality Monitor. Overall, Aqara TVOC Air Quality Monitor makes more sense for most people.
FeatureApollo MSR-2 with CO2Aqara TVOC Air Quality MonitorWinner
Price$56.09C$42.99Aqara TVOC Air Quality Monitor
ScreenNOYESAqara TVOC Air Quality Monitor
IntegrationsHome AssistantGoogle Home, Alexa, Apple HomeKit, Home Assistant, IFTTTAqara TVOC Air Quality Monitor
SensorsCO2, Temperature, Atmospheric Pressure, Ambient Light, UV, OccupancyTVOC, Temperature, HumidityApollo MSR-2 with CO2
AlertsTemperature Alerts, Air Quality AlertsTemperature Alerts, Humidity Alerts, Air Quality AlertsAqara TVOC Air Quality Monitor
Weather ResistanceNONOTie
Connectivity2.4 GHz WifiZigbeeTie
Winner
14% OFF
C$49.99
C$42.99
BUY NOW
  • + Price: C$42.99
  • + Screen: YES
  • + Integrations: Google Home, Alexa, Apple HomeKit, Home Assistant, IFTTT
  • - Sensors: TVOC, Temperature, Humidity vs CO2, Temperature, Atmospheric Pressure, Ambient Light, UV, Occupancy

Frequently Asked Questions (FAQ)

Which is better overall: Apollo MSR-2 with CO2 or Aqara TVOC Air Quality Monitor?
Aqara TVOC Air Quality Monitor has the stronger overall profile in this comparison, especially for price, screen, and integrations.
What is the biggest difference between Apollo MSR-2 with CO2 and Aqara TVOC Air Quality Monitor?
Price is one of the clearest differences: Apollo MSR-2 with CO2 lists $56.09, while Aqara TVOC Air Quality Monitor lists C$42.99.
Which one looks better on price?
Apollo MSR-2 with CO2 is listed at $56.09, while Aqara TVOC Air Quality Monitor is listed at C$42.99. Aqara TVOC Air Quality Monitor (better spec).
Who should buy Apollo MSR-2 with CO2?
Choose Apollo MSR-2 with CO2 if your priority is sensors and that matters more than price.
Who should buy Aqara TVOC Air Quality Monitor?
Choose Aqara TVOC Air Quality Monitor if your priority is price and screen and that matters more than sensors.
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