Really bad, this app is very slowly trying to adopt Nest camera preview capability. Our Nest IQ cameras and doorbell really cannot be reviewed practically through this app. It will not detect any events or allow filtering even though the functionality appears to be there! The new internal IQ Camera will.. But anything earlier is a write off.. It's been almost a year now and I have to manage multiple cameras through multiple apps (new camera doesn't show up on nest.) It's all a bit of a joke!