Leaves a couple of spots totally. Very noisy and single rotary brush doesn't help. Absence of a "Turn Off" feature makes it unsuitable for homes with kids or curious pets. Kids keep turning it on and pets keep knocking it off the charging base thus discharging the vaccum.

This is by far the wort robot vacuum I've had withing the 1st month I had to replace the main roller brush , it don't work as good with pet hair I have a short hair chihuahua, also after 4 months it started getting stuck under my fish tank when before it didn't have any issues . I'm constantly having to fix the roomba in the charger dock because it won't charge by it self tells me I need to clean it with a magic eraser. I had a samsung cyberbot that was amazing but upgraded to this because of the slf emptying option worse mistake I've already replaced 3 things on this vacuum and it wasn't 1 year old (Brush, main roller brush and filter) should have gotten the Shark robot

First off—it does a decent job of vacuuming. Second off — it’s never finished making it through our home. It keeps getting on any of our rugs and then throws the drop off error. It get hung up on the base either trying to get off of it or getting back on. The rugs we have are short pile and sometimes it works and other times it does. We are taking ours back as it is extremely frustrating moving it to a new location every time it detect a cliff while it’s sitting on a rug.

I have had the vacuum for less than a year. I work from home so I barely use it because it is SO loud! Even though my office is upstairs, I have to close the door while it's downstairs cleaning to muffle the sound. It's also constantly banging into things... hard! I would love to use it more because it does a good job picking up dog hair from our hardwoods. Unfortunately that's not possible because of the noise.

For my family it works great! We have 2 dogs that she’d like crazy! I hardly have to sweep or vacuum myself with this dude running now! It’s not perfect but nothing is anyways. It sometimes gets my kiddos small toys sucked up into it so you have yo help it out, or it needs help finding his home base. Other than that roomba helps us out so much with the crumbs to pet hair on the floor!

When the robot worked, it was really effective with dust and dog hair. in less than a year, its completely dead. It lost our Wifi weekly, and needed to be factory re-set frequently, which meant taking the time to do this Vs. it just working behind the scenes. We have been through customer service 3 times, cleaned the sensors, taken it apart, replaced the batteries, it's completely dead now. We're considering a replacement, hoping the one we purchased was a "lemon" iRobot. Crazy?

Improves cleaning patterns in time. Had to be careful a few times in the kids bedrooms as the machine goes everywhere. The self cleaning part of the design is excellent. I love having the task or chore of vacuuming removed from my daily list of to dos. Overall I would recommend this to everyone to purchase. Great craftsmanship, with a little regular maintenance on the wheels and dirt tray it seems it will last a long time.

The iRobot i3 exceeds expectations but could use a few minor tweaks to make it even more perfect. Out of the box the i3 seemed like your run of the mill bump around the room robot vacuum. From it's round shape and front bumper, I wasn't expecting much from it. But that is where the similarities to my other brand robot stopped. The first thing I noticed was no babysitting! Seriously, I had to watch my other brand robot like a toddler. It was frustrating to say the least. But I gave the i3 a little more trust in hopes I could let it do it's thing. Clean. And that's what it did and did well. After a few days it had gotten better at cleaning and faster. What was this magic!?!? From what I could tell it was mapping out my house and finding faster ways to clean. That was one gripe. I couldn't find much literature on how the mapping worked. I'm a curious person so that bugged me. Not being able to figure how the mapping worked. The other bother was only having one brush in the front. It seemed like another brush could of have helped made cleaning that much faster. Because edge cleaning can only happen in a clock-wise fashion. But all in all this is one fantastic piece of cleaning tech that I can and will recommend to anyone.

We've had this a couple of months now. It does a reasonable job of cleaning but here are some of my frustrations with it. 1. It takes a very long time, about 9 hours to clean our whole house (2700 sq ft) 2. It aborts about half the time. The first couple of times were learning experiences about area that were better cleaned manually to avoid it getting hung up. More recently, didn't seem to be any good reason. 3. It often gets lost and cannot find it's way home. Circles endlessly in different rooms with the blue light flashing and has to be rescued and put on it's stand before the battery dies, then doesn't know how to resume and/or self cancels. 4. It has totally illogical cleaning patterns. Refuses to finish cleaning one room then move on so our dogs can get their toys out again. Instead, it does part of a room, moves on to another room or two and eventually comes back to where it left off. Means we have to clear the whole house of potential obstructions and leave them cleared until it has totally finished. 5. It sometimes thinks it cannot connect to the app and has to be rebooted. I think we will eventually get used to is eccentricities. I will also defend it against those who have complained it is noisy. It is fairly quiet most of the time, and even when it self-empties (which some have describes as being like an airplane taking off), it makes no more noise than our previous vaccuum (Dyson Big Ball) makes all the time.

It's extremely convenient to clean your home without you being home, don't have to worry about it knocking anything over or getting stuck on carpet edges or ridges. The vacuum was also very easy to set up. I would definitely purchase another iRobot vacuum.