Roborock Qrevo S vs Shark AI Ultra

A detailed side-by-side comparison scored on 14 objective criteria with weighted scoring (max 12 points).

WINNER

Roborock Qrevo S

Roborock — #16 overall

7.8/10

$999

Shark — #31 overall

5.5/10

$449

Roborock Qrevo S is the clear winner, outscoring Shark AI Ultra by 2.3 points. However, Shark AI Ultra has 55% cheaper.

Criteria	Weight	Roborock Qrevo S	Shark AI Ultra
Total Score	—	7.8/10	5.5/10
🗺️Navigation & Obstacle Tech	2x	85%*	72%
💨Suction Power	1x	82%	82%
📐Edge Cleaning	1x	90%*	75%
💇Tangle-Free Rollers	1x	82%*	78%
🧹Mop System	1x	85%*	0%
🔥Mop Drying	0.5x	85%*	0%
🧴Integrated Soap	0.5x	80%*	0%
🔄Mop Versatility	0.5x	50%*	0%
🗑️Auto-Empty Reliability	1x	85%*	80%
📦Bin Capacity	0.5x	82%*	75%
⏱️Refill Frequency	0.5x	85%*	78%
🧗Obstacle Mobility	1x	40%*	35%
📏Low Clearance	0.5x	42%	55%*
📱App Quality	1x	88%*	68%
Price	—	$999	$449
Pros		+FlexiArm reaches tight spaces +Full dock automation +Dual spinning mops +7,000 Pa suction	+Strong suction power +Self-emptying base +Good hair pickup +Matrix Clean navigation
Cons		-No AI obstacle avoidance -Less suction than flagships -Newer model, less proven	-No mopping -App is basic -Navigation not as smart
Suction		7,000 Pa	4,000 Pa
Navigation		LiDAR	LiDAR
Mop Type		Rotating + Auto-Wash	None
Self-Empty		Yes (50 days)	Yes (60 days)
Runtime		180 min	120 min
Mobility
Obstacle Climbing		Standard	Standard
Retractable LiDAR		No	No
Adaptive Chassis		No	No
Multi-Mop Switch		No	No
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