Apollo MSR-2 with CO2 vs SONOFF SAWF-08P Air Quality Monitor

Updated September 2026

Data from Amazon and official Apollo Automation and Sonoff sites.

2026 verdict

Across the 2026 comparison, SONOFF SAWF-08P Air Quality Monitor earns the nod over Apollo MSR-2 with CO2 on the strength of price, screen, and integrations.

Winner

SONOFF SAWF-08P Air Quality Monitor

$49.90

Buy on Amazon USA

It builds its lead on price, screen, and integrations, then backs it up with a stronger showing on alerts. Apollo MSR-2 with CO2 can still be the right pick, but only if sensors outweigh the wider strengths of SONOFF SAWF-08P Air Quality Monitor. That is enough to make SONOFF SAWF-08P Air Quality Monitor the better pick for most buyers.

Apollo Automation

Apollo MSR-2 with CO2

$56.09

Buy on Official Store

Winner

Sonoff

SONOFF SAWF-08P Air Quality Monitor

$49.90

Buy on Amazon USA

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Feature	Apollo MSR-2 with CO2	SONOFF SAWF-08P Air Quality Monitor	Winner
Price	$56.09	$49.90	SONOFF SAWF-08P Air Quality Monitor
Screen	NO	YES	SONOFF SAWF-08P Air Quality Monitor
Integrations	Home Assistant	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	SONOFF SAWF-08P Air Quality Monitor
Sensors	CO2, Temperature, Atmospheric Pressure, Ambient Light, UV, Occupancy	CO2, Temperature, Humidity	Apollo MSR-2 with CO2
Alerts	Temperature Alerts, Air Quality Alerts	Temperature Alerts, Humidity Alerts, Air Quality Alerts	SONOFF SAWF-08P Air Quality Monitor
Weather Resistance	NO	NO	Tie
Connectivity	2.4 GHz WiFi	2.4 GHz WiFi	Tie

Apollo Automation

Apollo MSR-2 with CO2

$56.09

Buy on Official Store

+ Sensors: CO2, Temperature, Atmospheric Pressure, Ambient Light, UV, Occupancy
- Price: $56.09 vs $49.90
- Screen: NO vs YES

Winner

Sonoff

SONOFF SAWF-08P Air Quality Monitor

$49.90

Buy on Amazon USA

+ Price: $49.90
+ Screen: YES
+ Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- Sensors: CO2, Temperature, Humidity vs CO2, Temperature, Atmospheric Pressure, Ambient Light, UV, Occupancy

Frequently Asked Questions

Which is better overall: Apollo MSR-2 with CO2 or SONOFF SAWF-08P Air Quality Monitor?

SONOFF SAWF-08P 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 SONOFF SAWF-08P Air Quality Monitor?

Price is one of the clearest differences: Apollo MSR-2 with CO2 lists $56.09, while SONOFF SAWF-08P Air Quality Monitor lists $49.90.

Which one looks better on price?

Apollo MSR-2 with CO2 is listed at $56.09, while SONOFF SAWF-08P Air Quality Monitor is listed at $49.90. SONOFF SAWF-08P 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 SONOFF SAWF-08P Air Quality Monitor?

Choose SONOFF SAWF-08P Air Quality Monitor if your priority is price and screen and that matters more than sensors.

Full comparison table

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