If you’re in the market for a robot vacuum and want to invest in the best, you are probably considering the ILIFE A4s and Eufy RoboVac 11S. Based on our rating, A4s has the overall rating of 6.2 out of 10 versus 6.5 for RoboVac 11S.
A noticeable difference between two models is the size, which is 31 x 7.6/12.2 x 12.2 x 3 (D x H) cm/inches for the A4s and 44.4 x 7.2/17.5 x 2.8 (D x H) cm/inches for the RoboVac 11S. The weight of the A4s is 2.2/4.9 kg/lbs, and for the RoboVac 11S it is 2.5/5.7 kg/lbs.
The Eufy RoboVac 11S is better robot vacuum in this comparison. Check Eufy RoboVac 11S price