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bObsweep UltraVision Robot Vacuum & Mop vs Roborock QR 798 Robot Vacuum & Mop

Buy the bObsweep UltraVision if you want the lower price and a proven self-emptying vacuum-mop with 8,000 Pa suction and a 6L base. Buy the Roborock QR 798 if quiet operation and a bigger dust capacity matter more than saving money. As of November 7, 2026, the bObsweep is $239.99 at Best Buy and the Roborock is $302.00 at eBay. The bObsweep has far more owner ratings (4.4 from 1,000 versus 4.7 from 169), so its track record is easier to judge.

Today the bObsweep UltraVision Robot Vacuum & Mop costs $190.00 less at its best price.

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bObsweep
bObsweep UltraVision Self-Empty Robot Vacuum & Mop

bObsweep UltraVision Robot Vacuum & Mop

bObsweep UltraVision Self-Empty Robot Vacuum & Mop

4.4(1,000 ratings)
$239.99at Best BuyObserved at 3:33 PM
See all prices and details
Visit Best Buy

Choose the bObsweep UltraVision if you want strong suction, a self-emptying base and a 170-minute battery for about $62 less.

Pros
  • 8,000 Pa suction handles pet hair on carpet, tile and hardwood.
  • Self-emptying base with 6L bag and two odor-filtering bags included.
  • 170-minute battery and 3.5-inch height fit under low furniture.
  • Works with Alexa and Google Assistant.
  • $239.99 at Best Buy, the lowest new price of the two.
Cons
  • 60 dB is louder than the Roborock.
  • No written warranty listed.
  • Some owners report smart-home connectivity could be smoother.
  • Price swung from $105.00 on October 30 to $239.99 on November 2, 2026.
Roborock
Roborock QR 798 Robot Vacuum & Mop

Roborock QR 798 Robot Vacuum & Mop

4.7(169 ratings)
$429.99at Best BuyObserved at 3:33 PM
See all prices and details
Visit Best Buy

Choose the Roborock QR 798 if you want a quieter machine (45 dB versus 60 dB) and a larger 1.32-gallon dust capacity.

Pros
  • 10.0 kPa suction tops the bObsweep's 8,000 Pa.
  • 45 dB is quiet for a self-emptying robot.
  • 1.32-gallon capacity means fewer bag changes.
  • 4.7 rating from 169 owners.
Cons
  • $302.00 at eBay is about $62 more than the bObsweep.
  • Only 3 stores price it new, so deals are scarce.
  • Alexa only, no Google Assistant.
  • Battery life and mapping details are not published.

What separates them

bObsweep UltraVision Robot Vacuum & MopRoborock QR 798 Robot Vacuum & Mop
Price (new, as of November 7, 2026)$239.99 at Best Buy$302.00 at eBay
Suction8,000 Pa10.0 kPa (about 10,000 Pa)
Noise level60 dB45 dB
Dust capacity6L (1.5 gal) base bag1.32 gal
Battery life170 minutesNot published
MappingLiDAR plus QSLAM, no training runApp control, mapping not specified
Smart assistantsAlexa and Google AssistantAmazon Alexa
Owner ratings4.4 from 1,000 ratings4.7 from 169 ratings

Price history

$429.99$105.00
Oct 30Nov 7
  • bObsweep UltraVision Robot Vacuum & Mop: lowest $105.00 on Oct 30 at Walmart; $105.00 on Nov 7.
  • Roborock QR 798 Robot Vacuum & Mop: lowest $429.99 on Nov 7 at Best Buy.

Prices at every store

bObsweep UltraVision Robot Vacuum & Mop

  • Best BuyNew

    In stock

    $239.99Observed at 3:33 PM
    Visit Best Buy
  • TargetNew

    In stock

    $269.99Observed at 10:22 AM
    Visit Target
  • WalmartNew

    In stockSold by Seller

    $289.99Observed at 2:51 PM
    Visit Walmart
  • Home DepotNew

    In stock

    $299.99Observed at 3:33 PM
    Visit Home Depot

Also available at

  • eBayCheck price at eBay
  • ModeSensCheck price at ModeSens
  • QVCCheck price at QVC

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All 13 stores and price history →

Roborock QR 798 Robot Vacuum & Mop

  • eBayPre-owned

    In stockSold by phone_cellar

    $299.99Observed at 2:49 PM
    Visit eBay
  • Best BuyNew

    In stock

    $429.99Observed at 3:33 PM
    Visit Best Buy
  • Macy'sNew

    In stock

    $429.99Observed at 3:33 PM
    Visit Macy's

Also available at

  • eBayCheck price at eBay

Store links may earn us a commission.

All 3 stores and price history →

Specs compared

SpecbObsweep UltraVision Robot Vacuum & MopRoborock QR 798 Robot Vacuum & Mop
Assistant SupportAlexa, Google Assistant DevicesAmazon Alexa
ColorBlackWhite
App ControlYesYes
FeaturesMoppingSelf-Emptying, Mopping
Surface TypeCarpet, Tile—
Wet / DryYes—
Suction Power8000 Pa—
Cleaning Width12.5 inches—
Water Tank Capacity350 mL—
HEPA CertifiedHEPA Filter—
Filtration TypeReplaceable, 2-stage, Charcoal—
Max Wattage50 W—
Show all 40 specsShow fewer specs
SpecbObsweep UltraVision Robot Vacuum & MopRoborock QR 798 Robot Vacuum & Mop
Power SourceCordless—
Voltage110 V—
Battery Life170 minutes—
Battery Charging Time250 minutes—
Battery TypeLithium-ion—
Weight8 lb (3.63 kg)—
Depth12.5 in (31.75 cm)—
Height3.5 in (8.89 cm)—
Width12.5 in (31.75 cm)—
Vacuum Type

What reviewers say

bObsweep UltraVision Robot Vacuum & Mop

  • 4.4 / 51,000 ratings

Rated 4.4 out of 5 from about 1,000 ratings, the UltraVision draws praise for cleaning power, mapping and quiet running. The recurring complaint is that smart home assistant pairing is not as seamless as it should be.

What people mention
  • SuctionPraisedOwners say the 8000 Pa suction lifts debris from rugs, carpets and hard floors.
  • NavigationPraisedLiDAR and QSLAM mapping are described as intuitive and quick to learn a room.
  • AppPraisedThe app interface is called user-friendly.
  • NoisePraisedReviewers report quiet operation at around 60 dB.

Roborock QR 798 Robot Vacuum & Mop

  • 4.7 / 5169 ratings

Rated 4.7 out of 5 from 169 ratings, buyers are largely positive about the QR 798 as an everyday vacuum-and-mop robot. The self-emptying base and quiet running come up as strengths.

What people mention
  • Self-emptyingPraisedOwners like not having to empty the bin after every run.
  • NoisePraisedThe 45 dB rating matches reports of quiet running.
  • SuctionMixed10 kPa is fine for dust and hard floors but not deep carpet.
  • MoppingMixedThe mop is seen as a light-duty extra rather than a deep cleaner.

Questions and answers

Which is better for pet hair?
The bObsweep is the safer pick. It is marketed for pet owners, has 8,000 Pa suction and a 6L base that compresses pet hair into a bag. The Roborock has more suction on paper but a smaller dust capacity.
Which is quieter?
The Roborock QR 798 at 45 dB is quieter than the bObsweep at 60 dB. That gap is noticeable in an open living room.
Is the Roborock worth the extra $62?
Only if quiet operation and the larger 1.32-gallon capacity matter to you. Otherwise the bObsweep gives more documented features, including Google Assistant support and a 170-minute battery, for less.
Which has better smart home support?
The bObsweep. It works with Alexa and Google Assistant, while the Roborock lists Amazon Alexa only.
Which lasts longer on a charge?
The bObsweep is rated at 170 minutes per charge. Roborock does not publish a runtime for the QR 798, so it cannot be compared directly.
Which has more owner feedback?
The bObsweep, with 4.4 from 1,000 ratings. The Roborock scores higher at 4.7 but from only 169 ratings.

More comparisons

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Robotic
—
Construction MaterialPlastic—
Design HighlightsSelf-emptying, Bluetooth Connectivity, Wi-Fi Co…—
Noise Level60 db—
Typical UsersPet owners—
BrandbObsweep—
Recommended surfaceCarpet, Hardwood, Tile—
Rec. useResidential—
Dimensions12.00 x 12.00 x 3.00 in—
Has written warrantyNo—
ModelPET24-7-913—
Has nrtl listing certificationN—
Motor TypeBrushless—
Storage TypeDocking Station, Brushed Steel Dock—
Cordless—Yes
Capacity—1.32 gal
Noise Level (dB)—45
Suction Performance (kPa) (kPa)—10.0
Charging Station Included—Yes