iRobot Roomba Max 875 Combo vs Narwal Flow: Which to Buy

The Narwal Flow is the better robot vacuum overall, rated 3.9 to 3.7. The iRobot Roomba Max 875 Combo costs $50.02 less ($1,199.97 vs $1,249.99).

Higher rated

Narwal Flow

#89 in Self-cleaning dock3.9Full review

The first Narwal track-mop robot, still a good hard-floor mopper. The Flow 2 does more for similar money.

Amazon $1,249.99

$1,249.99

iRobot Roomba Max 875 Combo

#99 in Self-cleaning dock3.7Full review

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

Amazon $1,199.97

$1,199.97

Prices were last checked October 27, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

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	Narwal Flow	iRobot Roomba Max 875 Combo
Overall rating	3.9/5	3.7/5
Cleaning 30%	65 measured 83% of sand from carpet, 88.5% of pet hair, no hair tangled	48 not yet tested; estimated from 3 tested iRobot robots and the median of the 70 tested robots
Value 25%	22 $1,250	25 $1,200
Dock 20%	95 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, optional water hookup	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%	92 Roller, lifts 12 mm, extends to edges	85 Roller, extends to edges

Independent tests

Narwal Flow

Tested by	Carpet deep clean	Pet hair	Hair tangle (0 = none)	Area per charge	Conditions
Vacuum Wars	83%	88.5%	0	1,399 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).