Levoit Core 400S vs Sharper Image Purify 9
- Great for allergies and asthma
- Quiet fan noise
- High pitched winey sound
- Works well in the beginning but not so much now
- App is handy and useful
- Great for the price
- Seems well made
- Not convinced it is really working
- Needs to be set up properly
- Difficult to see the difference in air quality
Reviews by Topic
Our analysis shows how reviewers feel about different topics. Please note these are not full reviews.
Pollutant Reduction
Allergy Relief
Allergens
Air Quality
Effectiveness
Ease Of Use
Filter Replacement
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