The Coway Airmega ProX has a top Smoke CADR of 568 CFM
sissasassafrastic in r/AirPurifiers
SourceCoway ProX vs Alen 75i
Reddit head-to-head
14 Reddit comments and posts discuss both products: 6 lean toward Coway ProX, 5 toward Alen 75i, and 3 don't pick a side.
Coway ProX · 6Neutral · 3Alen 75i · 5
Why Redditors pick the Coway ProX
both say the BlueAir Signature and Winix 5510 are louder than the Coway ProX on their highest setting
theorist9 in r/AirPurifiers
SourceI ended up getting another ProX since I know I love everything about it
HeadShock1 in r/AirPurifiers
SourceWhy Redditors pick the Alen 75i
these work well for me as I like the aesthetics and the ease of controls
FairManner1292 in r/AirPurifiers
SourceI have 2 Alen 75i with Fresh filters that have pelleted carbon
FairManner1292 in r/HouseFresh
SourceI cant hear it on that speed
FairManner1292 in r/AirPurifiers
SourceFeature 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
126 Reddit mentions
$905.00
Buy on Amazon
We may earn a small commission.
Alen 75i
110 Reddit mentions
$799.00
Buy on Amazon
We may earn a small commission.
purification performance
value
noise level
coverage area
build quality
filter quality
odor control
warranty
filter cost
allergen control
| Feature | Coway ProX | Alen 75i |
|---|---|---|
| Price | ||
| purification performance | ||
| value | ||
| noise level | ||
| coverage area | ||
| build quality | ||
| filter quality | ||
| odor control | ||
| warranty | ||
| filter cost | ||
| allergen control |
Products
#3
Coway
$905.00
ProX
63.1/100
126 opinionsReddit score
RedDB's algorithmic rating based only on relevant Reddit opinions.
It uses one opinion per author: their highest-upvoted mention.
Evidence volume, recency, and votes affect the result.
The opinion count and sentiment bar include all analyzed relevant opinions; the bar does not represent the score out of 100.
105 positive1 neutral20 negative
Buy on Amazon
We may earn a small commission.
#27
Alen
$799.00
75i
53.6/100
110 opinionsReddit score
RedDB's algorithmic rating based only on relevant Reddit opinions.
It uses one opinion per author: their highest-upvoted mention.
Evidence volume, recency, and votes affect the result.
The opinion count and sentiment bar include all analyzed relevant opinions; the bar does not represent the score out of 100.
95 positive0 neutral15 negative
Buy on Amazon
We may earn a small commission.
Frequently asked questions
Which is better according to Reddit: Coway ProX or Alen 75i?
14 Reddit comments and posts discuss both products: 6 lean toward Coway ProX, 5 toward Alen 75i, and 3 don't pick a side. Overall, Reddit is fairly split — the better pick depends on your priorities.
How do Coway ProX and Alen 75i compare in overall Reddit sentiment?
Across all discussions RedDB tracks, Coway ProX has 83% positive sentiment over 126 Reddit mentions, while Alen 75i has 86% positive sentiment over 110 mentions.
More comparisons
Alen 75i vs Alen BreatheSmart 75i82 Reddit comments and posts discuss bothCoway ProX vs Coway ProX(W)40 Reddit comments and posts discuss bothBlueair Blue Signature vs Alen 75i27 Reddit comments and posts discuss bothAlen 75i vs Dyson Purifier Big+Quiet Formaldehyde BP0321 Reddit comments and posts discuss bothCoway ProX(W) vs Alen 75i16 Reddit comments and posts discuss bothWinix 9800 vs Alen 75i14 Reddit comments and posts discuss both