The iRobot Roomba 694 wins for most buyers due to its $274 MSRP, 90-minute runtime, and current availability versus the Shark IQ Robot Vacuum XL's $599 price and discontinued status. The Shark offers superior convenience with its 30-day self-emptying base and IQ Navigation but at more than double the cost with no ongoing support. Roomba's 3-Stage Cleaning System with Dual Multi-Surface Brushes ...