iRobot Roomba i3 vs iRobot Roomba i4

I bought the aftermarket ones from Amazon too and found them WAY too noisy so I bought the iRobot ones. Unfortunately, they're still noisier than the disposable ones but slightly less noisy than amazon brand. I think the noise comes from the vibration of the plastic card with the braava. I'm thinking of adding some thin fabric to see if it'll make a difference

The history says it cleaned 400 square feet in an hour. None of the jobs ever were completed, mostly because I got tired of the noise. I moved the base station a number of times, and each map is broken, looks like I need to do another reset after finding a permanent position. Overall, mediocre

The automatic dirt disposal feature worked perfectly, successfully sucking the contents of the robot's dustbin into the AllergenLock bag. The robot automatically empties its bin after docking, but there's also a button in the app that lets you do it any time. When it's emptying the bin, the blower is pretty loud for 30 seconds or so—about the volume of an old-school standing vacuum. After several full test runs, I checked the bin and it was completely empty

Oh there's/\s/ a button over here to open and dump this one and/\s/there's another metal screen inside right here/\s/ Now this roomba comes with the b...