Levoit Core 200S vs Dreo Air Purifier 338S

The Dreo Air Purifier 338S is a better air purifier than the Levoit Core 200S. Both are compact models with companion apps, but the Dreo delivers a higher particle filtration rate, allowing it to clean somewhat larger rooms. It also runs more quietly at its lowest fan speeds and does a slightly better job of cleaning the air at those settings. On top of that, the Dreo has a built-in air quality sensor with automatic fan speed adjustment, which the Levoit lacks, though the Core 200S does have the edge in size, coming in slightly smaller.