Levoit Core 400S Smart Air Purifier vs Levoit Core 600S Smart Air Purifier
What owners say · Updated October 2026
Owners find that both Levoit smart models provide reliable app integration and noticeable reductions in surface dust, but they differ significantly in scale. The Core 400S targets medium to large rooms with a compact footprint, whereas the Core 600S delivers massive air cleaning power specifically for large open-plan living spaces.
Levoit
Levoit Core 400S Smart Air Purifier
“An effective and smart dust-eliminator with solid daily performance, but let down by weak odor filtration and intrusive app ads.”
Choose it if you need hands-off dust control and app-based automation in a medium to large room.
Levoit
Levoit Core 600S Smart Air Purifier
“The Levoit Core 600S delivers massive air-cleaning power for large spaces, but suffers from high filter costs, sensor quirks, and occasional reliability issues.”
Choose it if you have a large open-plan living space and need to tackle wildfire smoke and heavy allergens.
At a glance
| Levoit Core 400S Smart Air Purifier | Levoit Core 600S Smart Air Purifier | |
|---|---|---|
| Filters and maintenance complaints | 15% of reports | 17% of reports |
Share of each model's owner reports raising filters and maintenance; the category average is 14%.
Where owners report a difference
| Levoit Core 400S Smart Air Purifier | Levoit Core 600S Smart Air Purifier | |
|---|---|---|
| Noise levels | Can be loud on maximum settings and prone to a high-pitched whine on low speeds. | Offers quiet operation on lower settings and a dedicated sleep mode alongside loud noise at maximum speed. |
| App experience | The VeSync mobile app includes persistent ads. | Features intuitive app integration with reliable scheduling and real-time air quality tracking without explicit mention of ads. |
| Sensor performance | Air quality sensor can show inconsistent PM2.5 readings over time. | An unreliable PM2.5 sensor fails to pick up dust and dander, impacting auto mode. |