Best smart humidifierAirLevoit
Levoit LV600S Smart Humidifier
Warm and cool mist humidifier with a large tank and a sleep mode
Honeywell Designer Series Cool Mist Humidifier (HUL430, Black)

Best no-app humidifier
Honeywell $$
1.25 gallon cool-mist humidifier with manual controls
The Honeywell Designer Series HUL430 is a cool-mist humidifier with a 1.25 gallon tank for rooms around 300 sq ft, with manual controls and an essential-oil tray.
Who it's for: Rooms around 300 sq ft.
Skip if: You want warm mist.
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Alternatives with different tradeoffs — not clones of the same pitch.
Best smart humidifierAirLevoit
Warm and cool mist humidifier with a large tank and a sleep mode