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iRobot Roomba 866

iRobot Roomba 866
alaScore 89

17 reviews

Jul, 2017

alaTest has collected and analyzed 17 reviews of iRobot Roomba 866. The average rating for this product is 4.6/5, compared to an average rating of 4.1/5 for other Vacuums for all reviews. Reviewers really like the usability. The reliability is also appreciated. Many are negative about the size and design.

price, reliability, usability

design, size

We analyzed user and expert ratings, product age and more factors. Compared to other Vacuums the iRobot Roomba 866 is awarded an overall alaScore™ of 89/100 = Very good quality.

Review analysis

(Based on 17 reviews)

Expert Reviews  

User Reviews  

Showing 2 review(s)

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Showing 1 - 2 of 2 Show Reviews: in English | in other languages (15)

Consumer review by: Steve's manager (

Replaced my trusty 530 - no regrets


I have owned a 530 for about 8 years and used it as the daily cleaner in our house all that time. I have replaced 2 batteries and a brush-head unit but whenever I looked at replacing him I was put off by the price and the fact that he was still...

Nov, 2016

Consumer review by: MB (



I just love him,so obedient and hard work ing .I find myself chatting to him..Really easy to use,runs all over then docks himself to MB then just press the button when charged and of he goes again,best investment ever thank you

Apr, 2016

Product Specifications

Cleans routinely, so you don't have to. 500 Series robots offer the latest innovations from iRobot with unprecedented efficiency, coverage, and cleaning performance.