WOW the AC3000 version of the ORBI are huge compared to the EERO. They look like one of those '80s air fresheners that had a little too much steroids!
When I read that ORBI was going to have wired backhaul in the near future I had to test them. I have a situation where I have extended networking to a nearby building that the mesh networks really cannot reach so I need the wired backhaul that I get with Apple, EERO, etc.. I am currently using a Ubiquity AP in that building but I want to eliminate that software and controls.
Now the iPhone App for the ORBI will get you up and running but it provides very limited control of the device. Using your favorite web browser gives you full access to the controls of the ORBI. While they are a bit more "technical". It is approachable and they appear to have support out there for you.
What I really like is that there is no reliance on cloud controller software; you own it you operate it! NICE, and kind of WOW in this day of service based systems.
Note that I have NOT needed the wired backhaul. I have not tested coverage outside of the house but everywhere inside has been great.