It's ok-ish but too noisy, takes too long to do its job and as vacuum it kinda sucks I guess.
It also needs an app that doesn't really work at all. I was forced to install it to solve a random problem with the unit, but now it's useless. It doesn't trigger the Roomba sometimes.
I replaced it with a Bosch vacuum that has the bonus of using the same batteries as my cordless drill and other Bosch devices. Yay. The Bosch is also WAY quieter than the Roomba (also quieter than a Dyson, that was surprising), which is great since I have a cat. Also it doesn't have IoT capabilities so it's amazing.
Every device that requires IoT or an App needs to die die die.