It has wheels and is very energy efficient
sissasassafrastic in r/AirPurifiers
SourceCoway ProX(W) vs Alen 75i
Reddit head-to-head
16 Reddit comments and posts discuss both products: 5 lean toward Coway ProX(W), 6 toward Alen 75i, and 5 don't pick a side.
Coway ProX(W) · 5Neutral · 5Alen 75i · 6
Why Redditors pick the Coway ProX(W)
pretty much disappears in my living room on speed 1 when placed 10' away
theorist9 in r/AirPurifiers
Sourceconsistently rated #1 by Consumer Reports for 2026
One_Mess525 in r/HomeClimateTech
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
SourceThe "BIFL" Lifetime Legend: Alen BreatheSmart 75i
One_Mess525 in r/HomeClimateTech
SourceThe "BIFL" Lifetime Legend: Alen BreatheSmart 75i
One_Mess525 in r/HomeClimateTech
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(W)
122 Reddit mentions
$900.04
Buy on Amazon
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Alen 75i
110 Reddit mentions
$799.00
Buy on Amazon
We may earn a small commission.
purification performance
coverage area
value
noise level
build quality
filter quality
odor control
warranty
airflow
filter cost
| Feature | Coway ProX(W) | Alen 75i |
|---|---|---|
| Price | ||
| purification performance | ||
| coverage area | ||
| value | ||
| noise level | ||
| build quality | ||
| filter quality | ||
| odor control | ||
| warranty | ||
| airflow | ||
| filter cost |
Products
#24
Coway
$900.04
ProX(W)
54.3/100
122 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.
109 positive0 neutral13 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(W) or Alen 75i?
16 Reddit comments and posts discuss both products: 5 lean toward Coway ProX(W), 6 toward Alen 75i, and 5 don't pick a side. Overall, Reddit is fairly split — the better pick depends on your priorities.
How do Coway ProX(W) and Alen 75i compare in overall Reddit sentiment?
Across all discussions RedDB tracks, Coway ProX(W) has 89% positive sentiment over 122 Reddit mentions, while Alen 75i has 86% positive sentiment over 110 mentions.
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