614

I bought a 605 from Amazon warehouse deals in 2018. Dave is still going strong. Bought a couple of maintenance kits but he’s very useful on the carpets. Still have normal vacuum (Henry) and a lightweight cordless vacuum for my wife and kitchen. Will keep Dave until he’s no longer viable.

Our Roomba 614 is going strong after 9 years. We've only had to replace the side brush motor and filters. We like that it's dumb, doesn't do any mapping, and is not wifi connected, but it still does a great job.

I have a "dumb" Roomba that I bought way back in 2016 on a Prime Day sale. It doesn't have any of the smart features that a lot of the newer models have. In general it's not perfect but I would say it does a pretty good job and if you don't like vacuuming as a regular chore it'll allow you to vacuum more often than you personally would which overall is a net positive. Since moving to a bigger place a few years back, I ended up buying a Miele canister vac so that I can efficiently clean different parts of my home simultaneously. So the Roomba is vacuuming one section while I use the Miele to vacuum another section. The smaller your place the more effective a robot vacuum will be as your primary vacuum, but if you have a bigger place you'll still have to charge the vacuum after one section, then move it to another location to finish the whole house.

Someone will buy it. The product line won't go away. Regardless the vacuum will work fine for a long time even if app access is lost. I have a 2014 version I still use on the regular. 

I have one basic Roomba that moves around randomly and another that supposedly maps the space. The cheaper, random movement robot is vastly superior in all ways.