iRobot Roomba Max 875 Combo vs Shark PowerDetect UV Reveal

The Shark PowerDetect UV Reveal is the better robot vacuum overall, rated 3.9 to 3.7. The iRobot Roomba Max 875 Combo wins on mopping. The Shark PowerDetect UV Reveal costs $50 less ($1,149.99 vs $1,199.99).

Higher rated

Shark PowerDetect UV Reveal

#89 in Self-cleaning dock3.9Full review

For pet owners with large homes who want a hot-wash dock and long runs: it covered about 2,800 sq ft per charge and scored well on pet hair.

Amazon $1,149.99

$1,149.99

iRobot Roomba Max 875 Combo

#97 in Self-cleaning dock3.7Full review

iRobot’s flagship, for hard-floor homes that want hot-water mopping.

Amazon $1,199.99

$1,199.99

Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

Choose the iRobot Roomba Max 875 Combo for mopping (Roller, extends to edges vs Vibrating pad, extends to edges).

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every self-cleaning dock robot vacuum; a clear win is highlighted. How we rank explains each one.

Factor weight	Shark PowerDetect UV Reveal	iRobot Roomba Max 875 Combo
Overall rating	3.9/5	3.7/5
Cleaning 30%	72 measured 88% of sand from carpet, 91.5% of pet hair, some hair tangled (0.3)	48 not yet tested; estimated from 3 tested iRobot robots and the median of the 70 tested robots
Value 25%	27 $1,150	25 $1,200
Dock 20%	100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying	100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent
Navigation 15%	100 LiDAR + camera	100 LiDAR + camera
Mopping 10%	46 Vibrating pad, extends to edges	85 Roller, extends to edges

Independent tests

Shark PowerDetect UV Reveal

Tested by	Carpet deep clean	Pet hair	Hair tangle (0 = none)	Area per charge	Conditions
Vacuum Wars	88%	91.5%	0.3	2,803 sq ft	Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped).