The ILIFE A4 vs bObsweep PetHair comparison proves that these robot vacuums have many common features. Based on our rating, both robot vacuums have the same overall rating of 6.
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 A4 and 35 x 10.7/13.8 x 3.9 (D x H) cm/inches for the PetHair. The weight of the A4 is 2.2/4.9 kg/lbs, and for the PetHair it is 3.5/7.7 kg/lbs.
The ILIFE A4 is better robot vacuums in this comparison. Check ILIFE A4 price