This was a bit disappointing. It worked very well for the first few weeks, then out of nowhere the right side brush stopped working. Apparently there's something wrong with the motor? It's unfortunate, too, because the window to return it has closed. Very disappointed.

UPDATE: Immediately after posting this review yesterday, ILIFE emailed me and offered to replace my faulty vacuum or give me a full refund. I opted for the new vacuum because it really does work very well (especially with a long-haired cat whose shedding is seemingly endless). My new machine will arrive in 2-3 days and this certainly proves that customer service is top notch with this company. So happy!

 This is an early review from about a weeks worth of use. But I do regularly update reviews with pertinent changes.
Let me preface with, I am an owner of a Neato Robot Vac for the last 4 years. It is the original XV series. I've liked it, but it had its bugs. The error message 'put my dust bin back in'.....UGH!!!!! That drove me crazy for the last 3.5 years. But the Neato did a good enough job, that I dealt with it.
We have 4 kids, so we stay busy and have little time for cleaning. Having 4 kids means we have substantial need for regular cleaning. I installed a central Vac for regular deep cleaning, but still find the need for daily robot Vacuum cleaning services. I like the robot to clean once and sometimes twice per day and we deep clean with the central Vac a few times per week. My stay at home wife, and amazing mother to our 4 children, and I share these duties, so I have an appreciation for the time and effort that goes in to floor cleaning.
The Neato got a weird error a few weeks ago. It started saying the dust bin need to be cleaned. This completely disabled it, no matter how I cleaned the dust bin and surrounding chamber. So I started shopping for robot vacs.
I have tried to add a second Neato for a while, but each one failed to be as effective as our original. So I really did not consider another Neato. I looked at several other brands, and I was a little put off by the iLife.
I figured it is too in-expensive to be effective.
I haven't heard of the brand.
How will it clean?
Finally I was intrigued by pretty good reviews, and a low profile for cleaning the under stuff. Though it won't go under our couch. But I'll be modifying the couch, it just needs to be raised an inch.
iLife wont vacuum in straight lines, If that bothers your OCD, I would look elsewhere. But I have found iLife to completely clean my floors in whatever random pattern it chooses. So if clean floors are your top goal, I can say I am pleased so far. If I were to sit and watch the little Vac clean, it may just drive me crazy watching it go all over the place, so I just set it and forget it.

So iLife it is.

I ordered it and had it all set up in minutes. The manual said charge overnight. So I planned to do that. However I set a schedule and got everything programmed. After about an hour of charging it started cleaning the house for some reason. Maybe one of my curious minions decided to play with the new toy.
Anyway, I was pleased with how quiet it was. Yet it still seemed to clean everything off our tile floor. I was a little disappointed that you must press the button for max suction each time it runs, in order to get max suction. Because we are often not at home while it is working. But after a week of running, on mostly standard suction, I can say my floors are always clean. We live in south FL. There is sand everywhere. So in addition to 4 children under age 12, we have the sand issue to deal with. If you don't vacuum at least once per day, you will get sand on your bare feet while walking around our home. For the last week I can walk around my house barefoot and my feet stay clean. I love it!! One of my compulsions, is tactile issues. The feel of gritty sand on my feet drives me a little nutty, unless I'm st the beach. Having cl an, sand free flooring eases that compulsion for me. It's actually a bigger priority than watching this vacuum travel in straight lines.
The iLife does require some maintenance. You'll need to clean the brush, especially if anyone in your household has long hair. You'll need to clean the filters as well. But these tasks are simple and relatively quick. The brush cleaning is tool-less. The filter does require a small screw driver. (Edit: 5/22, you don't need a tool. Removal of the screw is unnecessary)
I do really like the filter set up. It's three stages. It has a silk screen that keeps most large debris out of the main filter. I'll assume this is going to greatly extend the pleated paper filter life. It then has a secondary foam filter and finally a pleated paper filter. After 5 days the silk and foam filters benefited from cleaning, but the pleated paper filter still looked great. I did Vac it with the central Vac, since I had the filter all apart.
The dust bin always has a pleasing amount of debris after each vacuuming so we know it's doing a great job, clean feet not withstanding.
It has gotten stuck a few times. Twice on a loose draw string from low hanging clothing in the closet, and once under a piece of furniture. It does seem to navigate well around obstacles. Though it seems to find darker furniture more difficult to see.
It does not vacuum in long straight lines, like the Neato. But it does vacuum for nearly 2 hours. Neato was at maybe 45 minutes with fresh batteries. Neato was much louder and heavier.
We end up with clean floors, and tile does not show Vac lines, so I don't really care which path it takes. Just git 'er clean!!
ILife is quiet, but even on high suction it is much quieter on carpet, as evidenced by my video.
Time will tell how iLife holds up. But for daily vacuuming, and clean feet, I think it is an exceptional value thus far.
I would love a wifi and Alexa enabled version.

"Hey Alexa, clean the living room". Now that would be the bombdigity!!!!

Update: 7-26-17:
After a couple of months of fairly successful use, I found the robot unresponsive. I messed with it and cleaned everything. It would beep at me on the base, but refused to move. I contacted the manufacturer through their email. I let them know exactly what it was doing. Come to find out, the power switch on the side can accidentally get bumped to the off position. Ill blame one of my smaller minions! But it just as easily could have bumped into something and got switched off. So if you find your little bot a has stopped working, obviously check the power switch first! I feel a little silly, but I suppose it could happen to others.

(I paid for iLife with my own money, he was not given to me in exchange for anything, and no one has since contacted me with any sort of offer)

my first robot vacuum...WOW! I haven't sat down to program it yet, but i did run it this morning. I vacuumed last night, however the A4S ran for more than 2 hours 15 minutes; i emptied it 3 times. It picked up dirt, dog hair, small twigs, tree bark, and grass...all tracked in by kids/dogs/me. It's fascinating to watch it work...im wonderstruck. I have all wood/tile floors with transition pieces, with a few rugs. It managed all surfaces well, though it did get stuck 1 x under the piano pedals. It might have freed itself, but i helped it along. It found it's way back to its dock without difficulty. My floors look great and I'm really excited about this new addition. I will update if there are any design flaws or other issues.

update: 1 day later, I cannot believe how much debris this thing picks up from corners and under furniture. It ate a sock/tissue too, then turned itself off. I removed the sock/tissue and it worked just fine. I swept and vacuumed, but it keeps finding debris, dirt, dog hair, etc.

I received my ILife last night and i LOVE it!

It came with simple instructions on how to start using it (literally plug in the base, turn on the ILife and let it charge). I set it up and thought maybe it will be charged by this evening and I can see how it runs.

When the green light indicated that it was fully charged, I turned it on and watched it do it's magic! It ran for over 2 hours!
It easily maneuvered itself under my dining room table, onto my kitchen floor, back to carpet, over a throw rug and even a bath mat.

About an hour or so into it I decided to check the bin since I do have a cat. I was STUNNED by the amount of stuff it had picked up! I vacuum almost daily and still the bin was full.

I turned it back on and let it continue to do it's thing and when it re-docked itself, I again emptied the bin and was again stunned to see that it was halfway full.

Pros:
It is nearly silent. You can hear it running if you really listen, but a few times I got up to check on it lol

It self docks without needing to be programmed

It is programmable and has a remote.

Cons
None that I can think of