Coway ProX vs Alen BreatheSmart 75i

Reddit head-to-head

8 Reddit comments and posts discuss both products: 5 lean toward Coway ProX, 1 toward Alen BreatheSmart 75i, and 2 don't pick a side.

Coway ProX · 5 Neutral · 2 Alen BreatheSmart 75i · 1

Why Redditors pick the Coway ProX

The Coway Airmega ProX has a top Smoke CADR of 568 CFM

sissasassafrastic in r/AirPurifiers

Source

consistently rated #1 by Consumer Reports for 2026

One_Mess525 in r/HomeClimateTech

Source

both say the BlueAir Signature and Winix 5510 are louder than the Coway ProX on their highest setting

theorist9 in r/AirPurifiers

Source

Why Redditors pick the Alen BreatheSmart 75i

like an Alen BreatheSmart 75i or Coway Airmega ProX

sissasassafrastic in r/AirPurifiers

Source

Feature comparison

Green marks the row winner: the strongest supported feature sentiment with at least 3 mentions, or the lowest listed price. Everything else stays neutral.

Coway ProX

116 Reddit mentions

$899.99

Buy on Amazon

We may earn a small commission.

Alen BreatheSmart 75i

70 Reddit mentions

$814.00

Buy on Amazon

We may earn a small commission.

purification performance

build quality

value

noise level

coverage

filter quality

warranty

allergen control

smart features

odor control

Feature	Coway ProX	Alen BreatheSmart 75i
Price	$899.99 Buy on Amazon We may earn a small commission.	$814.00 Buy on Amazon We may earn a small commission.
purification performance
build quality
value
noise level
coverage
filter quality
warranty
allergen control
smart features
odor control

Products

Coway

ProX

$899.99

We may earn a small commission.

#41

Alen

BreatheSmart 75i

$814.00

We may earn a small commission.

Frequently asked questions

Which is better according to Reddit: Coway ProX or Alen BreatheSmart 75i?

8 Reddit comments and posts discuss both products: 5 lean toward Coway ProX, 1 toward Alen BreatheSmart 75i, and 2 don't pick a side. Overall, Reddit leans toward Coway ProX.

How do Coway ProX and Alen BreatheSmart 75i compare in overall Reddit sentiment?

Across all discussions RedDB tracks, Coway ProX has 85% positive sentiment over 116 Reddit mentions, while Alen BreatheSmart 75i has 94% positive sentiment over 70 mentions.

More comparisons

Alen 75i vs Alen BreatheSmart 75i 82 Reddit comments and posts discuss both Blueair Blue Signature vs Alen BreatheSmart 75i 26 Reddit comments and posts discuss both Dyson Purifier Big+Quiet Formaldehyde BP03 vs Alen BreatheSmart 75i 21 Reddit comments and posts discuss both Coway ProX vs Alen 75i 14 Reddit comments and posts discuss both Blueair Blue Pure 311i Max vs Alen BreatheSmart 75i 12 Reddit comments and posts discuss both Blueair Blue Pure 211i Max vs Alen BreatheSmart 75i 12 Reddit comments and posts discuss both